Feed ramp 9mm barrel 25” effective rifling) 15oz Throated chamber to allow for longer overall length ammunition 1:10 twist rate Removable top ramp Hand-polished bottom feed ramp Pin and weld, hard coat anodized aluminum shroud Works with any standard 9mm bolts Supports the front end of Glock magazines Works with both Colt and Glock lowers This product is only available as an Aug 9, 2019 · The nitride finish is wearing off of the feed ramp. Feb 17, 2023 · One of the criticisms of ramped barrels, particularly 9mm, is that the ramp doesn't extend far enough down into the frame to be able to catch all nose dives and that helper ramps have to be cut into the frame below the bottom of the ramp to fix that problem. Complete with enhanced feed ramps, this barrel is a must try. This ensures better case head support, so hot loads (+P+)can usually be used without the worry of case rupture. That being said, there are tons of Colt 9mm guns out there with non ramped barrels that do just fine. The BCA AR-9 Barrel is a 10. 56 flash hider will not have enough clearance for a 9mm round to pass Before installing a muzzle device, ensure a 9mm round will drop freely through the muzzle device bore May 27, 2009 · On further reflection, removing metal from the top part of the frame’s feed ramp will allow the bullet to contact even lower down on the barrel feed ramp at an angle that is even closer to horizontal and more square to the barrel ramp, worsening the jam – you probably should not seriously consider anything more than a light polish on the It features a 1:10 twist and the muzzle is threaded. IMPORTANT: A standard 1/2×28 flash hider will not have enough clearance for a 9mm round to pass. Integrated feed ramp and barrel extension. 135 OAL *My first step is probably going to be to load longer, out to the 1. 56 barrel. to use the ‘super feed’ option (top ramp) you have a choice of using a TACCOM 9mm bolt, or you can send in your bolt and $10. You still have use of our patent pending extreme feed ramp that can be used with any stand 9mm bolt on the market today. Features: 9mm Pistol Caliber; Custom Polished Feed Ramp Kaw Valley Precision 9MM Barrels are button rifled out of 4150 CMV Steel, QPQ Salt Bath Nitrided, with an 11-degree target crown for the best accuracy and durability possible. S. A with 4150 gun quality steel and has a black nitride finish for the ultimate in elemental protection. The attention to detail in the design, from the choice of materials to the specific manufacturing processes like broach cutting the rifling and polishing the feed ramp, speaks to a serious commitment to quality and performance. Removable top ramp; Hand polished bottom feed ramp; Works with any standard 9mm bolts; Works with both colt and glock lowers; If ordering for an FM9, please let us know in the comments during checkout so we can modify the feed ramp to work! Our feed ramp design allows for smooth chambering of most hollow point and flat point bullets. May 30, 2018 · Macon Armory feed cone enhancement is done to the barrel, not the bolt. The New Frontier Armory Premium 9mm AR barrels are proudly MADE IN THE USA by hard working American men and women. Nov 20, 2024 · I have spoken with a couple guys here that build and run reliable 9mm non ramped barrels on ramped . Sep 10, 2018 · If you really want a ramp you could just replace the barrel with a Shooting Innovations ramped barrel. 15. Ramped barrels have a built in feed ramp, so caliber conversions are much easier for a frame that has a ramped cut of the same spec. Nov 2, 2022 · Actually had FTF issues today at the range with a Colt Defender 9mm, it has been eating ball ammo with no problems, today I decided to try some HST, it would not feed at all, tried a different hollow point, same issue, no ramped barrel, the edge of the round kept hanging up on the frame ramp, (aluminum frame), decided to just run ball FMJ in it. We’ve taken our extreme feed barrels to the absolute in feeding with our sure feed insert. So I contacted several and this is what I was told: KKM - 25 degrees Kart - 26 degrees Nighthawk - 30 degrees I believe I'll be trying a Nighthawk barrel for future projects. Enhanced Feed Ramp; IMPORTANT: A standard 1/2x28 flash hider will not have enough clearance for a 9mm round to pass. Kaw Valley Precision 9MM Barrels are button rifled out of 4150 CMV Steel, QPQ Salt Bath Nitrided, with an 11-degree target crown for the best accuracy and Jul 22, 2020 · Question - The Taccom barrels have "extreme feed" ramps - basically an extension of the bottom of the barrel - I see what this does - make sense. So, it has been used quite successfully with the standard feed ramp since then in both Full Sized and Mid Sized 1911s. Barrel extension with Colt & Glock Compatible Feed Ramps; 11-degree target crown to ensure superior accuracy, Magnetic Particle Inspected; Specifications: Caliber: 9mm Luger; Twist Rate: 1:10; Material: 416R Stainless Steel; Feed Ramps: Colt & Glock Compatible; Muzzle Thread Pattern: 1/2"-28; Bore Finish: Nitride; Outside Finish: Nitride. Since the “barrel extension” is an integral part of the barrel, the length stated is the true overall length. It features a tapered profile and the large muzzle brake helps to tame the sharp recoil of a blowback 9mm AR-15. Mar 3, 2020 · During the process I changed the angle of the barrel's ramp which got me to wondering what angle various barrel makers used for their 9mm ramped barrels. Whether you're looking to upgrade your existing 1911 or build a custom firearm from scratch, our Ultra Match Grade 1911 Barrels are the perfect choice for discerning shooters and gunsmiths alike. Alloy frames are fine but the ramp on an aluminum alloy frame reportedly can show early signs of wear if 9mm; Drop in fit for Gen 1-5; Machined from 416 stainless steel and h eat treated to RC 41; Fully supported chamber and improved feed ramp design; Polished Feed Ramp for easy feeding ; Target crown and oversized lock up area ; Conventional rifling with a polished chamber and bore to perform well with lead, plated and jacketed bullets; 1:10 Integrated feed ramp and barrel extension. I still think if you want a one size fits all frame, to use one cut for a ramped barrel, and take the ramp totally out of the equation. 5″ 9MM SUPER FEED BARREL IS MADE TO ORDER…. The Clark/Para cut is easier to do and usually costs less. Aug 29, 2018 · THe bottom of the barrel should/must be slightly ahead f the frame, maybe 1/32" On my fctory new hun the barrel was 1/16" past the frame and GI hard ball would not feed. When I've sent my barrels to Rudy, I only send the barrel, not the bolt. Can polishing the feed ramp improve accuracy? While polishing the feed ramp can improve feeding reliability, it typically does not have a direct impact on accuracy. Originally, Colt came out with the 9mm, with the standard feed ramp, in 1950 with the aluminum framed Colt Commander. Nov 6, 2013 · Sometime ago, someone posted a pic showing proper 45 acp feed ramp fitting in relation to the frame ramp. The Taccom feed ramp interfered with the endo-mag so I took it out to test the endo mags. Ballistic Advantage offers a 9mm AR-15 barrel that isn’t a wimpy, whippy, undersized excuse for a barrel. Important Notes: A standard 1/2×28 flash hider will not have enough clearance for a 9mm round to pass. According to the company’s post on Facebook, it is Jan 17, 2022 · However with the barrel moved to the front is has the 1/32, if the barrel is moved rearward the edge of the barrel is pretty much aligned with the feed ramp. 141) - 9# variable recoil spring and 17# mainspring - 147gr 9mm berry's, 1. 100% manufactured in-house from gun-barrel-quality bar-stock, Faxon puts their barrels through a battery of tests and individually checks each barrel for headspace May 15, 2005 · Even the dedicated 9mm lowers take some work to get the mags to work just right. It weighs a mere 19 This Bear Creek Arsenal AR-15 16" M4 profile parkerized 9mm barrel has a blowback gas system with a 1:10 twist. I am working on a few alloy frames with very damaged feed ramps. True Barrel Length: The stated barrel length includes the integral barrel extension. Barrel Specifications: Barrel Material: 4150 CMV Steel; Barrel Type: Button Rifled ; Barrel Caliber: 9MM SAAMI (9x19mm Parabellum) Barrel Twist: 1:10 9mm AR Barrel, Premium . Made in the U. In the pic you can see where brass is being rubbed on the barrel at the bottom. Any thoughts? This isn't a problem with the stock barrel or magazines so it has to be the new barrel. Pick up a Ballistic Advantage Modern Series 9mm AR Rifle Barrel for a tough, reliable construction that won't let you down. I believe the feed ramp angle is 31 degrees. Feb 18, 2024 · 13. stainless steel coupler (brake to barrel) 1lb 0oz (16 ounces) Works with any standard 9mm bolt; Removable top ramp; Removable bottom feed ramp; 2 port brake design; Unique Carbon fiber brake is pinned and cover welded to make a legal 16″ rifle barrel; We assemble these barrels per order and typically shipped within one week. Description. Starting life as a raw 4140 CM steel 9mm 1/10 twist blank, we machine them in our shop for maximum concentricity, accuracy and include the special hand polished feed cone we have developed to ensure smooth feeding. This removable (top ramp) insert, when installed, restricts the nose of the bullet from ‘overshooting’ the chamber. With a 45 the bullet out of an 8 round mag will go below the feed ramp. SO ramp barrels are NOT a fix for aluminum frames. Add to Cart. Enhanced Feed Ramp From there, each barrel goes through a battery of tests at each operation until finished in Nitride and final inspected. This CMMG AR-9 Feed Ramp for 9mm Mk 9 AR-15 Rifles works only with the CMMG Mk 9 dedicated 9mm lower. All NFA rules apply. This is where the problem comes in my experience. 99 May 31, 2017 · Not sure what to do to stop rounds from hitting the feed ramp and fix this issue. ALLOW FOR ONE WEEK BEFORE WE SHIP THIS BARREL. 1 inches long. 45 auto. These 9mm barrels are fully compatible with MIL-SPEC AR upper receivers and do not require gas blocks or gas tubes. It sounds like the Clark type is easier to manufacture and may be simpler to fit in a frame, but may be harder to do properly. 45 frame using a non ramped barrel. What I don't understand is why does this barrel need the extended feed ramp when other barrels without this feature feed 100%. 00 (to cover shipping back to Works with any standard 9mm bolt; Removable top ramp; Removable bottom feed ramp; 2 port brake design; Unique Carbon fiber brake is pinned and cover welded to make a legal 16″ rifle barrel; We assemble these barrels per order and typically shipped within one week. The Kaw Valley 9mm barrel is available in four lengths and is designed to work with Colt or Glock-style AR-9 builds as well as Mil-Spec AR15 uppers. shipping 01/28/25 16” legal length rifle barrel (5. 45acp and 9mm. Mar 5, 2009 · The USC barrel probably has a small feed ramp because it is a commercial version. Mar 30, 2009 · Re: How-to: Polishing the LCP Barrel Feed Ramp & Throat I just picked up my LCP yesterday. ENHANCED PERFORMANCE KVP 9MM barrels have an integrated feed ramp and will work with both Colt and Glock style AR-9 rifles or pistols. 5 Taper Carbine Blowback Barrel is machined from 4150 Chrome Moly Vanadium (CMV) steel with a QPQ Nitride corrosion-resistant finish, and M4 feed ramp extension. Dec 30, 2005 · First on a 45 the feed ramp SHOULD in my opinion start . I myself run a 10mm slide on top of a JEM . 99. 45 with the barrel to ramp gap. 5" Nitride Black . IMPORTANT: A standard 1/2x28 flash hider will not have enough clearance for a 9mm round to pass. 200” or more. Dec 8, 2016 · On caspian frames the 9mm frame cut is shallower than on the . Overall Length: 16"" ( with welded & pinned Shroud) Can only be used with modified 9mm Bolt; These barrels are meant to be used in lowers utilizing Glock magazines and Quarter Circle 10, 9mm bolts or a bolt that has been modified as shown so that it does not impact the feed ramp. Fits AR9 9mm caliber uppers. The 9mm AR barrel has an integrated feed ramp designed for consistent ammo feed, a 1:10 rifling twist, and is cut from CMV steel for long life and is available in four lengths. Mar 14, 2024 · Bull and standard nose barrels. Polymer80 G19 9mm Luger Pistol Barrel - Standard Fullsize - Black - This Polymer80 barrel is match grade, high performance, and coated with Black Nitride. This barrel will give you the fastest swing possible from target to target. The Super Feed Ultra Light Weight 9mm Barrel is one of the lightest barrels on the market for your AR15 PCC, weighing in at 15 ounces. This new barrel meets the legal requirements for a rifle (16″) while adding an extended ramp and staying lightweight. Roll pin not included. However, I like using "ramped barrels" for high pressure rounds, since they generally support the case better, up to the extractor groove of the case. Integrated Feed Ramp & Barrel Extension: Ensures smooth feeding and chambering. Sep 21, 2002 · With certain sharp hollow point bullets damage can occur to the feed ramp by the bullet digging into the feed ramp. Thanks in advance Integrated feed ramp and barrel extension. Next to get a 45 to work you need a booster ramp cut below the ramp. Threaded 1/2x28 instead of 1/2x36 to give you greater versatility when choosing a suppressor. Military are restricted from hollow point ammo and round nose FMJ stuff seems to feed fine in UMP's. 141 this barrel is chambered to. You still have use of our patent pending removable extreme feed ramp that can be used with any stand 9mm bolt on the market today. Add to Wish List. Most ramp barrel cuts are . To maximize your AR 15 build, try out the 9mm chambered 11 inch Modern Series Barrel. The modern production 1911 - high visibility sights, beavertail grip safety, aluminum trigger, good trigger pull, enhanced slide/ frame fit, accurized barrel/bushing fit. Features: Chambered in 9mm with a 1:10 twist; 4150 chrome moly vanadium steel; Light tapered profile; 1/2x28 thread pitch; QPQ nitride finish; Button rifled; Colt and GLOCK compatible feed ramps Integrated feed ramp and barrel extension. I tend to keep my stuff a long time. I had one at the range yesterday on a Glock mag lower that ran 100% using cheap, handloaded 147 FP, 147 +P Win Ranger HP, 147 Golden Saber, and 124 +P Win ball. My frame needs to be cut for a ramped barrel. 200" or more. I wonder if the JP bolt is more geared to the Glock's single presentation feed config and not too friendly to to the colt-style double presentation. Typically in 9mm guys like a ramped barrel. 5" Rating: 0%. Product Specifications: Barrel Material: 4150 CMV Steel; Barrel Type: Button Rifled; Barrel Caliber: 9MM SAAMI (9x19mm Parabellum) Barrel Twist: 1:10 Oct 31, 2008 · Re: How-to: Polishing the LCP Barrel Feed Ramp & Throat P7, I am glad the barrrel polishing was a success. With the 9mm barrel you don't have much to play with before you expose too much case. Product Specifications: Barrel Material: 4150 CMV Steel; Barrel Type: Button Rifled; Barrel Caliber: 9MM SAAMI (9x19mm Parabellum) Barrel Twist: 1:10 The barrel is accurate fit and finish is very good nice barrel. The poster said that he had to cut the bottom of the 45 acp The PATENT PENDING removable extreme feed ramp allows the use of hollow point ammunition and supports the front end of the glock magazine. Aug 7, 2017 · The "ramped' 9mm 1911 thing is a fairly new idea. 300 ish from the rails down. Apr 11, 2018 · When a 1911 that uses a W/N ramped barrel fires and cycles, the underside of the barrel feed ramp should contact the bottom of the ramp cut, while the sides of the barrel should make even and lighter and contact with the frame cradle at full lock down. Javascript is disabled on your browser. Barrels are finished with a black. Features: Compatible with Colt/RR and GLOCK style AR builds; Fits standard mil-spec uppers dedicated to 9mm; 9mm caliber; 11" barrel length, straight profile; 1/2x28 thread pitch; Machined from 4150 Chrome Moly Vanadium steel; QPQ finish for corrosion resistance; Integrated Aug 17, 2020 · The endo-mag's built in feed ramp did not alleviate that issue. Jan 14, 2025 · The True Precision G26 9mm Non-Threaded Barrel is a substantial upgrade from the stock OEM barrel. This simple, pencil barrel is well made and exceptionally accurate. Aug 8, 2017 · TACCOM, LLC announced the company introduced another 9mm barrel for your AR style rifle. These Rifle Barrels by Ballistic Advantage are constructed from QPQ corrosion-resistant steel that is tough enough to withstand harsh environments and ensure that your rifle is prepared for nearly any mission. Jun 11, 2010 · Ramped barrels usually offer better case support up to the extractor groove of the brass case. As well as standard, Clark / Para, and Wilson / Nowlin feed ramp options. The barrel itself has an 11 degree target crown and with pistol caliber velocities you have a very This model features an integrated feed ramp and barrel extension. Nov 18, 2021 · You observed needing a steeper barrel ramp angle to maintain case web support…a highly polished ramp will pay dividends in feed reliability. A moderate tap and the slide goes into battery. His enhancement to the feed cone on my barrels works great with my Faxon 9mm bolt, and my NFA 9mm bolt, Colt-pattern, with no mods to the bolt. Apr 16, 2007 · Yes, if it says ramped that means the ramp is integral with the barrel I have an Ultra Carry II (internal ejector) purchased 5 years ago that does not have a ramped barrel, but my RCP II purchased 8 months ago does, and all recent new production Ultra's I have checked have ramped barrels. Custom Polished Feed Ramp aids in smooth loading and lessens feed malfunctions. The barrel is chambered in 9MM with a single feed ramp machined in the barrel extension and operates with a blowback gas system. NOTE: THE 10″ 9MM SUPER FEED BARREL IS MADE TO ORDER…. There are also numerous dedicated 9mm upper options that work; Requires the use of a unique magwell conversion (Colt/Rock River style) with UZI mags or a dedicated 9mm lower with Glock mags; Operates by blowback and does not need a gas block or gas tube; Muzzle device ready - 1/2-28 TPI; Integrated feed ramp and barrel extension; Enhanced feed ramp BM-9 Feed Ramp Barrel 9mm 6. Add to Compare. The chamber of pistol caliber carbine barrels are built into the barrel extension area, making them about ~1" shorter than centerfire rifle barrels. Available in 4", 8", and 16" options; High quality US made steel; Black nitride finish; 1:10 Twist Rate; 1/2 x 36 thread pitch; Integrated feed ramp; Works with both Colt, MP5 and Glock style AR-9 builds . Precision machined target crown, cut broached rifling & hand-polished feed ramp make the Polymer80 barrel an excellent option as a replacement precision barrel. 5 Great 16” 9mm barrel option! Posted by Mark Bellanger on Jan 6th 2024 If you are wanting to stick with a 16” barrel and note go the 9mm pistol or SBR route, the integral flash hider and muzzle brake 9mm barrels are awesome options! Jun 17, 2022 · If my memory is correct, the 1911 frame is the same for . The cause for the damage seems to be aggressive edges on the bullet design. It would require a bit of modification to your BCG. Our AR-9 parkerized rifle barrels are made from the finest 4150 Chrome Moly Vanadium and precisely rifled for high accuracy at a great price. 5” 5. . Rating: 0%. 3" or 11" 9mm barrel from Ballistic Advantage and make your 9mm build the best on the range. Finished Barrels go through a 100% Inspection Process. KVP 9MM barrels have an integrated feed ramp and will work with both Colt and Glock style AR-9 rifles or pistols. 9mm on an AR15 platform operates by blowback and does not need a gas block or gas tube. Good for you. All barrels are manufactured under ISO:9001 & AS:9100 quality certifications. There are three types of feed ramps: Ones on the frame of the gun like the 1911, ones built into the barrel like a GLOCK or some built into the magazine as in European target guns. 5" is a steel barrel made out of 4150 steel with a parkerized finish, a 1:10 twist rate. 14. 38 super bbl and the vendor that sold me a 9mm (not fitted) bbl asked for pix to determine ramp style and sold me a Nowlin ramped bbl. Features: 16” Barrel with integral muzzle brake; Chambered in 9mm with a 1:10 twist; 4150 chrome moly vanadium steel; Tapered profile; QPQ nitride finish; Button rifled; Glock/Colt compatible feed ramps; Magnetic particle inspected Feb 16, 2002 · My frame does not have a ramped cut, but rather a 9mm feed ramp. Enhanced Feed Ramp: Improves reliability with various ammunition types. Set it up the same way as a . Called the TACCOM AR15 ULW 9mm PCC Ramped Barrel, this part’s main feature is the extended feed ramp built into the rear of it. This is actually a very common practice that has been used in 1911 pistols forever! The Taccom feed ramp is designed specifically for use with lowers that accept Glock magazines and stripped AR-15 uppers that do NOT have the BHO (Bold Hold Open) feature in either the upper or lower receiver, where the gap between the back of the barrel and front of the magazine is . Both can be used for 9mm. Anywayhappy with the Taccom feed ramp. The barrel’s integrated feed ramp provides you with consistently smooth ammo cycling, and the 1:10 rifling twist is designed to effectively stabilize the 9mm Luger round for consistent short- and long-range accuracy. I replaced the barrel in my 9mm AR PDW with one so I could feed fat mouth 147gr HST without issues. Additionally, they are designed to work seamlessly with both Colt and Glock AR9 builds. All barrels are individually checked for headspace by precision custom hardened gauges. $89. Caliber: 9mm Barrel Length: 5. I just used the Dremel cone shaped felt and polishing compound a lot of you have used. Will polishing the feed ramp make my pistol shoot faster? No, polishing the feed ramp will not increase the speed at which your pistol shoots. 9mm Barrel 7. The Faxon 9mm 4. Compatible with Gen 3 & 4 only. Matching our barrel with one of our popular adjustable 3 stage 9mm system is like a match made in heaven. As far as I know, even the original 9mm Colts that they built in the old days, had the 45 feed ramp and the same feed issues. Feb 9, 2023 · The barrel I listed the link for has a feed cone about half way between the earliest Colt style and the one that Macon Armory uses. Haven't shot it yet. Kaw Valley Precision 9MM Barrels are button rifled out of 4150 CMV Steel, QPQ Salt Bath Nitrided, with an 11-degree target crown for the best accuracy and Aug 21, 2020 · Does anyone know what supported ramp style Springfield 1911's use? Clark/Para or Nowlin/Wilson? Better still is there a way to visually tell? I have a loaded target and I got it with a . The TACCOM feed ramp is designed to be used with ‘GLOCK’ Magazine lowers and Standard AR15 uppers, without the use of the BHO feature in either the upper or lower, where the gap between the back of the barrel and front of the magazine is . As for the slide not returning to full battery despite the fact that you say it is clean and well-lubed, it usually comes down to a few things - the need for break-in (but your gun should be sufficiently broken in), binding or a burr on the slide/frame (not applicable in Lightweight profile 4150 chrome-moly steel 6" 9mm AR9 barrel in a 1-10” twist, 1/2x28 TPI and finished in black melonite coating Fits perfectly against feed Integrated feed ramp and barrel extension IMPORTANT: A . 25” Twist: 1:10 Weight: 15 oz. 400 ish below the top of the frame rails. 223/5. Removable bottom feed ramp; Pin and welded, brushed aluminum shroud; Supports the front end of glock magazines; Works with both colt and glock lowers; Works with any standard 9mm bolt…. Kaw Valley Precision 9MM Barrels are button rifled out of 4150 CMV Steel, QPQ Salt Bath Nitrided, with an 11-degree target crown for the best accuracy and Apr 16, 2023 · Does the SR1911 aluminum alloy frame 9mm Commander have a ramped or unramped barrel? Thinking of purchasing a Ruger Commander with an alloy frame. Kaw Valley Precision 9MM Barrels are button rifled out of 4150 CMV Steel, QPQ Salt Bath Nitrided, with an 11-degree target crown for the best accuracy and durability possible. It has an actual ramp, not one cut into the chamber. The pic showed that the barrel's ramp came just a bit short of the frame ramp, and the poster said that the 45 acp round hit the frame ramp and litteraly bounced into the chamber. NOTE: THE 13. The barrel itself has an 11 degree target crown and with pistol caliber velocities you have a very Oct 27, 2010 · If you take a new unmodified Colt 45acp frame and stick a new unmodified Colt 9mm barrel up to the feed ramp, chances are it will either hang over or be even with the top of the frame feed ramp. My P-13 Para Ordanance using the intergral feed ramp and I've never experience any feed ramp damage because the ramp is part of the barrel and it's steel. For example, an 11” 9mm barrel has the same outer dimensions/length as a 10. Barrel Material: 4150; Barrel Type: Button Rifled ; Barrel Caliber: 9mm SAMMI ; Barrel Twist: 1:10; Barrel Length: 16" May 29, 2019 · Lead Star 9mm Barrel If you mixed affordability, lightweight design, and a stainless steel barrel chambered in 9mm you’ll get the Lead Star ultralight 9mm barrel. My 9mm TN UMP barrel doesn't have any kind of feed ramp either. 45 frames. Choose an 8. Hasn't had a failure yet in north of 300 rounds using ball, flat nose hardcast, and jhp. NFA NOTICE: This barrel is under 16″ and can be used to build a short-barreled rifle or AR pistol. - 2011 Pistol - 9mm with Clark Para Feed Ramp style barrel (chambered to 1. KVP 9MM barrels have an integrated feed ramp and will work with both Colt and Glock style AR-9 rifles or pistols. Used 400 grit wet/dry paper on ballpoint pen barrel and sanded the barrel to match teh frame ad polished both with all fine scratches going n-s. Lead Star 9mm AR Barrel The barrel is made from 416R stainless steel and is 16. The Straight Profile Ballistic Advantage 9mm AR15 Barrel is designed to work with both Colt/RR and Glock style AR builds. $99. First order of business was to break it down and clean out the excess oil and give the ramp and lead in of the chamber a good polish. There are no burrs in the barrel or on the breech face and it isn't catching on the extractor. The PATENT PENDING removable extreme feed ramp allows the use of hollow point ammunition and supports the front end of the glock magazine. NOTE: THE 8. botxfrjeiblflqknmytjxoohspggfowiakutlgtzezekzaxzvzagdtchmgsmuxmilefcalymvtawetq