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Our site uses JavaScript for a smooth and modern shopping experience; we protect your data and never sell it to 3rd parties. Many competitive shooters swear by these match-grade aftermarket Glock barrels when using premium ammunition. Additionally, KKM barrels are also great for shooting non-jacketed bullets as well perfect for anyone who has a surplus of lead ammo theyd like to get rid of. Lone Wolf barrels are broach rifled and made from 416 stainless forgings and advertised to handle lead, jacketed, or plated bullets. Our test barrel, the extended and x28 threaded version for the Glock 22 comes in only a few dollars higher, though thread protectors are not included standard. Here's what it's like to shoot this classic scattergun. Better than buy a new pistol. Like Bar-Sto, KKM barrels are available in stainless finish only, but come with threaded, ported, standard or compensated options. Product Description Bar-Sto Conversion Barrels allow you to convert your existing Glock to shoot another caliber. (NOTE: As of the date on this post, Glock goes not have a .40 Gen5, and most likely won't, so it's not applicable to Gen5). 357 sig conversion. Okay, IGB Austria Match Grade Polygonal Profile 16" Long Threaded Barrel for Glock 35 9mm; IGB Austria Match Grade Polygonal Profile 16" Long Threaded Barrel for Glock 41 .357 Sig (M15x1R) IGB Austria Match Grade Polygonal Profile 16" Threaded Barrel for Glock 20 .357 Sig (M15x1R) - Contact us for more information. Glock 23 Match .357Sig (Gen 1-4) SKU G23C1 Categories 23, Glock. After that I put the factory barrel back in , and was hitting point of aim . The only drawback to one of the best aftermarket barrels out there? As I have been looking a caliber conversations, no one comes right out and admits that the bolt face on the slide has to match the case? If I were to buy the stronger .40/357 recoil spring assembly (and using 357 mags) could I reliably shoot it in my Glock 19? More affordable than other options, but great quality, Quality barrel with threading for accessories, Lots of options -- from color to threaded/non-threaded. So that I can do the same and form an opinion as well. I am looking for a barrel for a glock 20. Learn all the important stuff about handgunswith none of the attitude. All you need is a barrel to convert your existing gun to shoot .357 SIG. (Photo: Kristin Alberts). The Worlds #1 source for glock parts & accesories. For what its worth, Lone Wolfs website notes potential failures to eject (FTEs) with certain 115-grain 9mm ammo, specifically Winchester white box. . Not to mention, Glocks are highly customizable thanks to a robust aftermarket. I placed one of SL's barrels 5.30" w/ ports in a G-21 just the other day. alpha wolf g23 barrels are hit and miss. Glockstore.com is not affiliated with nor endorsed by Glock, Inc. or Glock Ges.m.b.H. Cut rifled barrels also tend to have a lower transition period from good to worn out, whereas button rifled barrels tend to degrade more abruptly when they start to open up. For example, with the aforementioned Smith & Wesson M&P pistols, you can buy .357 SIG barrels made by a couple of manufacturers. That, and the fact that KKM barrels increase tightness in the chamber is said to give competitive shooters a, While the KKM barrels might be overkill for a standard home defense setup, if youre trying to improve your accuracy in a competitive setting using high-quality loads, KKM can do wonders for your grouping, If you know a thing or two about modding Glocks, chances are youre already familiar with. That is why I am buying one. guns & Theyre machined from 416 stainless steel bar stock and hardened to 40-42 HRC. Bar-Sto barrels are sold as either Semi Fit or Match Grade. Thread: Can a Glock 19 successfully use a 357Sig barrel? I love you guys. The Nylon 66, a relatively inexpensive rimfire with faux woodgrain, was the first successful synthetic-stock firearm. RS1. There are factory loads available with Barnes all-copper bullets, frangible bullets and exotic bullets like Corbons Glaser Safety Slugs and PowRBall, Lehigh Defenses Xtreme Defense and Xtreme Penetrator and G2 Researchs RIP bullet. Choose from our conversion, stock length, non-threaded, and threaded barrel options. This is not John Waynes revolver it is a modern work of art! Conversion Polished Stainless Based on 1 ratings. anything extra and your $134.95. These make it easy to turn your Glock G35 from a .40 S&W chambering into a 9mm or .357 Sig. This Glock Bloodline barrel is designed to work with Glock 43 pistols. You can go down in caliber but not up." ammunition. Take your Glock to the next level or get some practice in with your Glock pistol. I am interested in aftermarket hammer forged and ECM barrels compatible with the Glock 19 gen 3,4. Results from the bench were very similar to our groupings from the Bar-Sto 9mm, with 15 yard groups well inside 1 and 25 yard 5-shot groups averaging 1.275. As I do not reload .357 Sig (yet, anyway), all ammo was factory. Options include extended length, porting and threading. Storm Lake Barrels is headquartered in Lenoir City, Tennessee and advertises their barrels to be made in the USA, a point all our reviewers love. Aftermarket barrels give me more consistency for some reason. The other requirement is that there is a barrel available for your gun. It will reach out quite a distance for small game and varmints. If you have a Glock 19, then use quality SD ammo and that's that. 10mm- 50 GI, .40 S&W, 9x25 Dillon, 357 SIG, .22LR. .357 Sig versus 9mm. Make sure to dive further into their offerings in our full review of a GGP slide and barrel combo. Why wasnt Agency Arms barrels on your list ? 20% to 30% failure to feeds. $72.99. With that said, lets take a look at some popular aftermarket barrels. That means for about an extra $250 or so, you can shoot three different calibers for increased stopping power or cheaper practice rounds as your mood suits. Hello, Things fell apart when we went to testing. Based on case size, it uses a 40/10 mm slide because, they have the correct size breech-face cut. While you are here check out all of our custom Glock accessories, custom work, and apparel. Conversion Kits . (Photo: Kristin Alberts). Yes I count every single round- that's over twenty two thousand seven hundred rounds without a single failure. One of the best things about Grey Ghost is the number of options. Be the first to review this product. Advantage Arms. Lone Wolfs barrels also ditch the hex/polygonal rifling for traditional rifling. Youll find that a large portion of the Glock owners shooting with KKM barrels belong to 3-Gun crowds. Im looking for a threaded barrel from gen 4 10 mm glock. This was a grand slam. I reviewed this siteand went straight back to Agency. Several boutique ammo makers like Corbon, Doubletap, Buffalo Bore and Underwood offer higher speeds than the usual off-the-shelf ammo at the local gun store. It does this very well with a 125-grain bullet at 1,350 fps from a 4-inch barrel. Though our testers were torn whether the Lone Wolf raging-wolf-head logo was cartoon or cool, the company offers the option of blind marking where the logo is hidden from view when the barrel is installed. Bar-Sto currently advertises a 10-12 week leadtime on barrel production, though there are a few options that come in and out of stock regularly on the website. Why do some people insist on overthinking this? Some of the best on the market. Glock Factory Barrel 6" Hunting for G20 $210.00 Bar-Sto Barrels $250.00 Bar-Sto Conversion Barrels $250.00 KKM Precision Barrels $185.00 Whether you want a threaded or non-threaded model or want to upgrade your slide as wellyou can probably find what youre looking for. You really get what you pay for though, as the fit and finish on Bar-Sto barrels is outstanding. I have a threaded Faxon barrel for my G43X. This Glock Rosco Bloodline barrel is designed to work with Glock 43 pistols. He said hed do his best to have a Storm Lake rep call back. The website is easy to navigate and clearly marks which barrels are in ample stock, low stock, and backorderable. The .357 SIG is essentially a 40/10 mm caliber cartridge necked down for a 0.355-inch bullets. By signing up you agree to Guns.com's Good looks, good price. Match Grade Replacement Barrel for Glock 19 26 9mm Threaded - Lone Wolf Item #: LWD19TH. Glocks with various conversion and factory barrels. Good evening. KKM 357sig barrel for Glock. revolver cartridgeand fit in a standard-size semi-automatic pistol. I bought 3 Faxon barrels and they are all shit. For accuracy, we shot Sig Sauer Elite Performance .357 Sig 125 grain FMJ. For this review, Guns.com looked at the four most popular Glock conversion barrels on the market: Bar-Sto, KKM, Lone Wolf, and Storm Lake. Gunners Choice LLC. I hardly hear anything about Wheaton Arms barrels. Go with a threaded barrel. The .357 SIG is a potent pistol cartridge designed in 1994 to replicate the ballistics of the .357 Mag. Lone Wolf also offers quality custom laser engraving on slides, slide plate covers, and barrels. I say this as I am about to place another order. With the Gen4, the G17 was built on the G22 frame, so stepping down from a .40 to a 9mm would be safe (though not recommended), HOWEVER, you could see some reliability issues if you try to do this with a pre-Gen4 gun. We already have an account registered for email address Additional Information You may also like Glock Factory Barrel $175.00 Bar-Sto Barrels $250.00 Double Diamond Standard Replacement Barrel $139.99 Double Diamond Threaded Barrel $169.99 After my experience with a .458 Socom BCA complete upper, I'd steer clear of them. It's plenty powerful for small-to-medium game and for defense against two- and some four-legged dangerous animals with the right ammunition. No problem. I am currently up to 22,713 rounds through this gun with ZERO FAILURES of any kind. Shoots and functions great. Incompatible due to barrel OD, slide ID, and breach face dims. Glock markets itself as perfection straight out of the box. The .357 SIG round is the same length as the .40 S&W, so it fits in frames of the same size. A critical marksmanship skill that is easy to overlook. Also, like the Bar-Sto, company branding on the barrels is simple, tasteful lettering around the ejection port. A little work to fit, but i knew that ahead of time. These barrels are exactly as they soundbarrels that convert a gun from one caliber to another. So, today well walk through why you might want to swap out your stock Glock barrel for something a little flashier and run through some of our favorite Glock barrels. Check it out if you like a different pattern of the exposed barreland if you value accuracy above all. $50 barrels. A more compact version of the classic Hi Power design. If you want to shoot 357 then get yourself a handgun designed and built to handle that round. There were visible differences in fit and finish between the same model barrels. Choose from many calibers, finishes, sizes, and features to help you get the most out of your performance pistol. MGW offers a wide selection of StormLake match grade barrels which are expertly crafted for reliability in your Glock, Smith & Wesson M&P, Springfield XD, or 1911 pistol. And if anyone's interested, there are at least three other methods of rifling: Broached, Hammer Forged, and ECM. Copyright 2023 National Rifle Association. Barrels are match grade, chambered for full case support, hardened to 40-42 HRC and rifled to shoot jacketed or lead bullets. The KKM .357 SIG conversion barrel produced the best accuracy with the Federal HST. In stock with lightning fast shipping! MGW offers a wide selection of StormLake match grade barrels which are expertly crafted for reliability in your Glock, Smith & Wesson M&P, Springfield XD, or 1911 pistol. Welcome to the Glock Gun Parts section of Midwestgunworks.com. Yeah, they can help with that. It cannot feed hp and had ftf. My shot groups went from 4 inches at 25 yards to 2 inches. Good luck with it! IWHENRUNNING A THIN WIRE OVER THE RINGS IN THE CHAMBER COULD FEEL THE RIDGES THATS WHY I SENT IT BACK. A standard length, non-threaded drop-in conversion barrel is very reasonable at $165 given the custom nature of KKM. Lone Wolf also has a number of barrels that convert various Glock models from one caliber to another. The barrel is cut to fit in the ejection port of the intended slide. It's powerful enough to fill many roles; law enforcement, self defense, trail gun and so on. Conversion Barrel for Glock 23 | 9mm | 416R SS Black Nitride Bear Claw Fluted Barrel | Threaded. Takes standard Glock 32 parts and barrels. Amp up your AK with these exciting accessories. KKM:Glock, S&W M&P, Browning Hi-Power, 1911.Lone Wolf:Glock.Rim Country Manufacturing:Steyr, H&K.Storm Lake: Glock (including 10 mm guns), 1911, S&W M&P. Stainless Finish-Approx. Add to Cart. By continuing to use our site, you accept our use of cookies. Unlike the other barrels with their knurled thread protectors, Bar-Stos are smooth, making it look like a more natural extension of the barrel, though not quite as easy to remove. Customer for life. Any opinions? What's required to do this? Glock parts are available to the public for self installation, but can also be installed by our highly trained gunsmiths. However, thats where the love fizzled out. The .40 S&W magazines might work and you can try them, but know that a caliber-specific magazine is available if you run into feeding issues. Their accurate and offer multiple coatings so you can get the look you want. The 357 Sig cartridge develops 15% higher pressures than the 40 S&W. Beretta does not recommend this type of conversion. Do you have any knowledge of the Glock Store Double Diamond barrels? Sometimes buying another gun is not the best option. Glock 22 .40 - Glock 31 .357 Glock 23 .40 - Glock 32 .357 Glock 27 .40 - Glock 33 .357 Those barrels swap back and forth, no issues. People are switching back to 9x19 now that the 40 fad is over, and you can get them pretty cheap. Good to know. The KKM .357 SIG conversion barrel produced the best accuracy with the Federal HST. Especially considering the fact that many of the barrels Included in the list are either unreliable, impossible to obtain due to stock issues and/or over priced. Our testing however, used Sig Sauer Elite Perfomance 124 grain FMJs and we had 100% success rate over 120 rounds. Weve built dozens of ARs and well cover all the best AR-15 upgrades such as handguards, triggers, BCGs, gas blocks, and more. You'll now receive newsletters of our best articles on techniques, Bar-Sto has been quietly making a name for itself at the top of aftermarket barrel production. They are broach rifled and advertised to handle jacketed or lead bullets. In fact, I'd love to know who is producing cut rifled barrels for Glocks, as most aftermarket manufacturers are button rifling. Smith & Wesson M&P magazines are marked with both .40 S&W and .357 SIG, so they work with either cartridge. Most disappointing $210 I have ever spent. . Something went wrong. Corrected my "Left" & " Little Low" by sliding my grip clockwise. The owner is a super cool guy and a Marine Veteran. FaxonsAR-15 barrels,handguards,andbolt carrier groupshave been impressing us for a while. Get Guns.com offers and news!! But will lose the ability to swap barrels and mags to go back to 40/357. Factory New Conversion .357 357 Sig for Glock 20 G20 SF Stock Length Barrel 4.6" Brand New $119.96 spectresupply2 (33,893) 100% Was: $159.95 25% off Buy It Now +$5.29 shipping Almost gone 129 sold Sponsored Factory New .357 Sig 357 Barrel for Glock 32 G32 Stock Length 4.02" Stainless Brand New $127.96 spectresupply2 (33,893) 100% Learn the 3 most popular shooting stances & more. With lots of rounds in a semi-automatic platform, you won't run out of ammo in a hurry like you would with a revolver, and reloading a semi-automatic is faster than reloading a revolver. Threaded mid-line match grade drop in for P80 G17 Gen3. No license required. Thankfully they were easy to work with on the return and refund. No relationship with them other than as a satisfied customer. Thats the problem their barrels are top notch and they make nothing for the .40 this just blows my mind ! Reduce Recoil! The Worlds #1 source for glock parts & accesories. Based on case size, it uses a 40/10 mm slide because, they have the correct size breech-face cut. I'm sorry, but I'm just not getting this. The barrel is one of the most important parts that will dictate your accuracy. Glocks may not be much to look at, but they sure are a joy to shoot. None of our testers are holding their breath, and we cannot, in any good faith, currently recommend these barrels. From their headquarters in Carson City, Nevada, KKM Precision turns out their barrels from beginning to end in the USA. If I were to buy the stronger .40/357 recoil spring assembly (and using 357 mags) could I reliably shoot it in my Glock 19? I also put money into the SL 5.3 w/porting on my Glock 21. . Another good Glock or Polymer 80 barrel is from Heavy Armor Division. And their Glock barrels are no exception. Need Help?service@guns.comCall (866)582-4867, PO Box 1131 13800 Nicollet Blvd Burnsville, MN 55337 2023Guns.com. Now you dont have to. Rate them below. No idea why they left them out. We hate SPAM and promise to keep your email address safe. The company is very accessible by both phone and email, and is eager to please with an obvious attention to detail. . KKM are the best aftermarket barrels but the 357 sig barrels for the Glock aren't really conversion barrels and will drop right in and Glock even approves of the practice and you can use the same magazines for both cartridges except for some of the early magazines. The firearm entered Austrian military and police service by 1982 after becoming the top performer in reliability and safety tests. Ships anywhere in the USA. The 357 SIG uses 0.355-inch bullets just like a 9 mm, not 0.357-inch bullets like the .357 Mag. Had ramp polished out to a mirror. Took them to the range just yesterday. I saw some videos that it provides OEM accuracy. Cant decide between a Glock 23 in 40 cal or the Glock 19 in 9mm? Displeased with the groups from your factory tube? Bar-Sto barrels are machined from 416 stainless steel bar stock which has been heat treated 39 to 43 RC and 180,000 PSI tensile strength. Manufacturing a button rifled barrel is faster and less complex than manufacturing a single-point cut-rifled barrel, that's it's main advantage. Lone Wolf has earned the reputation of being one of the leading manufacturer of aftermarket Glock accessories in the industry. Glock's .357 SIG magazines have a different follower than the company's .40 S&W magazines. The Sellier & Bellot 140-grain FMJ bullet reached an average of 1,358 fps, which is the usual velocity of a .357 SIG 125-grain bullet from a 4-inch barrel. The durability that comes with the pre-hardened stainless steel barrel offers improved resistance against friction and corrosion. Flash 0 of 2 minutes, 55 secondsVolume 0% 00:03 02:55 I shoot a KKM on my 40 Cal Glock. One local gun shop no longer stocks or recommends Storm Lake barrels due to the volume of customer complaints over the last yearthough in the past, it was his go-to aftermarket barrel. Chuck New Version - will NOT include Glock 19 Gen 4 adapter ring. Tyrant included a 1 in 10 twist rate for the barrels as well. This is a great excuse to buy yourself a cheap used G23. GLOCK is a federally registered trademark of Glock, Inc. and is one of many trademarks owned by Glock, Inc. or Glock Ges.m.b.H. This page was last updated: 04-Mar 20:09. I got a Stainless 9mm for my G-17 and it wouldnt fit. Winchester Train and Defend" 1. BarSto 9mm barrel. Do you need special magazines to feed the 357 SIG in your 40/10 mm pistol? Why wasn't the double diamond barrel from the glock store mention in the review of after market barrels for the glock. The conversion barrels allow you to make other changes as well. revolver cartridge and fit in a standard-size semi-automatic pistol. I know the extractors are different but is that a major issue? They seem to have a lot of QC issues. Not my experience. 5 Best Aftermarket Glock Barrels - Only the Finest for You 1. Easily convert your .40 Caliber Glock to shoot 9mm in seconds! You have repeatedly made me a happy and returning customer. Brandon has spent the majority of his life hunting in the woods in Georgia and Alabama. The only conversion Glock recommends is .357 SIG and .40 S&W. Buy the Glock 23 and then order a conversion barrel in 9mm. JavaScript is not enabled on your browser - our site will not work for you as intended. Failure to feed with a bad ramp certainly is affected by Barrel. While the KKM barrels might be overkill for a standard home defense setup, if youre trying to improve your accuracy in a competitive setting using high-quality loads, KKM can do wonders for your grouping. Another 25 rounds of reloads and 25 of Winchester white box ran without a hitch. This lead to my trigger finger pulling straight back. I'm sure no prosecutor would ever try to use it against me. My M&P is full-sized with a 4.25-inch barrel, and with the extra length for the threaded portion, the KKM barrel measured 4.9 inches. Any feed back on Bear Creak Arsenal? Every cowboy needs a revolver. We ran a couple mags of white box, and had one early malfunction. Just a simple barrel. Decrease Quantity of Rosco Bloodline Barrel For Glock 19 Threaded Increase Quantity of Rosco Bloodline . revolver round from a 4-inch barrel. the sig, 40 cal and 10mm all use the same base brass. A threaded barrel for $50 is a great price if it lasts and provides good accuracy. Install a Lone Wolf Arms AlphaWolf Glock 33 .357 SIG Barrel to ensure your pistol functions perfectly even after long hog hunts or while running deer scout. Hopefully I'll be drinking Claws through my Glock within a week. My two Glock 19 barrels have chambers that are too tight and cause jams. (Photo: Kristin Alberts). Classic Browning Light Twelve Auto-5 Review: Busting Clays With the Old Humpback Shotgun. You do not pay Check out the list of aftermarket barrel makers below to see if they have one to fit your gun. The most important part of the switch? For example, with the aforementioned Smith & Wesson M&P pistols, you can buy .357 SIG barrels made by a couple of manufacturers. A typical pistol will shoot 5-shot groups into 3- to 5-inch groups at 25 yards, and this conversion barrels largest 25-shot aggregate group was 4.01 inches. For example: Double Diamond Standard Replacement Barrel. You know exactly what youre getting when you purchase one a dependable weapon thats easy to shoot with a familiar boxy, plastic feel. Add to Cart. All you need is a barrel to convert your existing gun to shoot .357 SIG. Zev barrels dont just come in pretty colorstheyre also made with match-grade steel thats resilient and withstands excessive pressure from shooting with a suppressor. COPYRIGHT 2022 LONE WOLF ARMS, ALL RIGHTS RESERVED, LWD Barrel M/23&32 Conversion to 9mm Stock Length, AlphaWolf Barrel For M/19 9mm Threaded 1/2 x 28, AlphaWolf Barrel For M/32 357 Sig Stock Length, Rock Island Armory REV22 Conversion Kit -G19, AlphaWolf Barrel For M/23&32 Conversion to 9mm Stock Length, AlphaWolf Barrel For M/17 Gen5 or 19L 9mm Threaded 1/2 x 28, AlphaWolf Barrel For M/32 357 Sig Threaded, LWD Barrel M/23&32 Conversion to 9mm Threaded 1/2 x 28, AlphaWolf Barrel For M/19 9mm Stock Length, AlphaWolf Barrel M/23 40 S&W Stock Length, AlphaWolf Barrel M/34 Gen5 or 19XL 9mm Threaded 1/2 x 28, AlphaWolf Barrel For M/23 40 S&W Threaded 9/16 x 24, AlphaWolf Barrel For M/23&32 Conversion to 9mm Threaded 1/2 x 28, AlphaWolf Barrel For M/19 9mm Threaded 1/2 x 28 Copper, AlphaWolf Barrel For M/19 9mm Threaded 1/2 x 28 Oil Rubbed Bronze, AlphaWolf Barrel M/34 Gen5 or 19XL 5.32" 9mm, AlphaWolf Barrel M/17 Gen5 or 19L 4.49in 9mm, AlphaWolf Barrel M/17 Gen5 or 19L 4.49" 9mm. We do not offer a 357 Sig barrel for the Model 92/96 Series. All our testers gravitated to the KKM barrel on the bench. Do you know of any company who make them? Remember, the .357 SIG is just a bottle-necked 40/10 mm caliber case, so your current magazines designed for those cartridges might work just fine. I put a KKM barrel in a new unfired G20 for using Buffalo Bore hard cast ammo for hiking. The other requirement is that there is a barrel available for your gun. All Rights Reserved, Dueling Barrels: The best Glock conversion barrels. My opinion (simply an opinion) is that there is no need to replace the OEM barrel for any Glock.they are very accurate, and they function with any and all ammo, including reloads. Threaded options come with a 1/2-28 thread pitch pattern to fit most suppressor options. Glock Partshas all of the Glock conversion kit options that you need. I own several Glocks including a Glock 15 upgrades via Wilson Combat Vickers model and I installed a fluted barrel by Blacklist Industry and at about round 190 the barrel split down the entire side at the lowest point of one of the flutes and the gun locked up I was using Remington 124+P . The 357 SIG uses 0.355-inch bullets just like a 9 mm, not 0.357-inch bullets like the .357 Mag. And stay in touch with newsletters of our best articles on techniques, guns, & gear. Copyright 1995-2023 eBay Inc. All Rights Reserved. No changing of the slide or the spring and no gunsmithing. Click below for a FREE LESSON! And as an added bonus, all of Zevs barrels are drop-in barrels, so you dont need any gunsmithing expertise when swapping out your OEM barrel. Compared to OEM 40SW barrels, OEM 357SIG barrels have tight chambers and perfect 100-percent cartridge case chamber support, even above the feed ramp.all made possible by the bottleneck cartridge design. Killer Innovations claim to fame is their single point cutting system for their rifling which is more precise. That, and the fact that KKM barrels increase tightness in the chamber is said to give competitive shooters a slight advantage over OEM barrels. Good question Id like to know that as well. My KKM barrel would not feed BB 70% of the time. The barrels. No problem. Since I primarily shoot crap reloads I don't notice much difference BUT they are the only company that offers a barrel with porting in the factory location, For my G27 I have KKM .40-9mm drop in and don't notice much there either. - AlphaWolf Barrels For Glock SHOP NOW Specifications Cartridge: 9 mm Luger/40 S&W/357 SIG Barrel Length: 4.49 Finish: Black Style: Drop-In, Match Grade Designed for lead, plated, or jacketed ammunition Heat treated to RC 40-42 Salt Bath Nitride finish Features Im one of those people who wanted a .357 SIG but wasnt inclined to buy a gun dedicated to that cartridge. Add to Cart. The gun ought to be overbuilt enough to handle that. Lone Wolf Barrels has headquarters in Priest River, ID. The only minor knock is that our test barrel came packed in a plastic bag rather than a hard tube like the others. $125.95 In Stock. In theory, Storm Lake barrels sound good and are fairly priced. These barrels feature symmetric fluting for heat dissipation as well as deep crowning for increased bullet stability. Semi Fit are your typical drop-ins, while the Match Grades require gunsmith fitting for superior accuracy. Like Bar-Sto and KKM, the Lone Wolf customer service line was easy to reach by both phone and email. However, the barrels from previous M&P guns will fit if you can find one. Suitable for the G19, G19X, and G45, they come in black or gold and are for Gens 3-5. Even the largest-framed revolver can hold only eight rounds of .357 Mag., but a standard size semi-automatic like a Glock 31 can double that to 16 rounds (15+1). Ya know Ive been shooting, and hunting my whole life not to mention 18 years in the Army and being an armorer for 17 of them years. Double Diamond converison barrels are made from the best available grade select 416 stainless steel forgings. SIG Sauer, Glock, Heckler & Koch, Steyr, Springfield Armory and Smith & Wesson are major manufacturers who have produced guns in this caliber. These make it easy to turn your Glock G35 from a .40 S&W chambering into a 9mm or .357 Sig. I had to do some filing to get it right. Including a thread protector, the retail price of our test barrel is around $230.