Barrels

Urbach Style U.S. Made 8& Fluted Barrel Extension - 15 X 1 Original 8& long, fluted barrel extension that is used to get the overall barrel length of a 51, 53 barrel past 16& as required by law. Perfect for those that want to use an 8& barrel and have...

Premium HK MP5K-N 9mm Barrel Threaded 1/2 X 32 Precision milled to the latest spec MP5K-N (PDW) barrel with the HK factory correct and updated 16 flutes in the chamber. 3 lugged & threaded & manufactured to meet the specs of all suppressors and...

NA5 Gas Block from Nefarious Arms Adjustable 2 Position This is a user configurable 2 position adjustable gas block that can be installed on 11″ – 20″ A1 barrels. Each gas block ships with 5 vent screws, a screwdriver, anti-seize and...

PTR 18" HK G3 & HK 91 Match Grade Barrel - 15x1 RH Each barrel is current PTR production and has the proper number and depth of flutes for optimum functionality. This barrel is a medium contour barrel that is larger in diameter than a standard G3/91...

PTR PDW 7.62X39 Pistol or SBR Barrel- USA PTR Industries Manufactured PTR PDW Barrel. As an added bonus each barrel counts as one US made part for 922R compliance. Comes new in the white never installed and ready for the HK project. 7.62 X 39mm (AK47...

US made HK Mark 23 tactical threaded barrel for use with a wide variety of flash hiders & sound suppressors. Each Mark 23 16 X 1 right hand threaded tactical barrel will ship with the following: Mark 23 Tactical threaded barrel - US made by RCM ...

HK 2000SK .40 9/16 X 24 Threaded Barrel- RCMEach P2000 SK tactical barrel is finely and painstakingly made from ordnance grade steel, heat treated and finished inside and out in the ultra-desirable "nitride" finish. This is the finest threaded...

Each barrel is finely and painstakingly made from ordnance grade steel, heat treated and finished inside and out in the ultra- desirable "nitride" finish. This is the finest threaded replacement barrel available for the HK P30 40 pistol. The perfect...

HK93 , HK33 -  Trunion - RCM US made to exact factory HK specifications for the HK93, HK33  type builds. Machined completely from ordnance grade steel and heat treated to factory specs. These are the best USA made trunions on the market. Machined to HK...

Premium Cold Hammer Forged HK MP5K 3-Lug 9mm Barrel It is the only US-made barrel using the same steel and CHF process that Heckler & Koch uses themselves. Precision milled to the latest spec MP5K-N (PDW) barrel with the HK factory correct and...

B&T Manufactured MP5K, SP89 & SP5K - PDW Barrel 3 Lug - 1/2 X 32 New from B&T Switzerland, cold hammer-forged (CHF), properly fluted & nitrided MP5K/SP5K barrels manufactured exclusively for the HK SP5K. The firearms community has long...

HK G36 & SL8 Barrel Retaining Nut - German HKFits all HK SL8 and G36 Variants. Sl8 (all models and variants) G36E G36K G36C All other G36 Variants

Brand new HK German P7M13 factory spare barrel. Cold hammer forged and the real deal. No longer made or available as all HK P7 parts are out of production.Compatible with HK:P7M13

Brand New HK German Standard Length VP9SK Barrel. Marked HK 9mmx19Brand new cold hammer forged & made in Germany.Fits all HK VP9SK Models.

HK German Used Factory UMP .40 S&W Barrel These are police department trade-in barrels in good shape and perfectly usable.

HK MP5-SD 9mm Barrel Made in the USA of 416 Stainless Steel. This high quality barrel is processed using the highly desirable Nitride process which creates a super hard durable finish. Precision milled to the latest specs with the factory correct and...

HK 93/33 Cold Hammer Forged Barrel New CHF HK93/33 16" barrel nitrated US-manufactured barrel. These are the finest US-made barrels available and come highly recommended by HKParts. Features: 100% Made & Machined in the USA 922R Compliant (Counts as...

RCM HK MP5 10mm Barrel 9/16 X 24 with Thread Protector

Each P2000 .40 tactical barrel is finely and painstakingly made from ordnance grade steel, heat treated and finished inside and out in the ultra-desirable "nitride" finish. This is the finest threaded replacement barrel available for the HK P2000 .40...

HK P30L .40 Cal 14.5 X 1 Left Hand Threaded Barrel- RCMEach barrel is finely and painstakingly made from ordnance grade steel, heat-treated, and finished inside and out in the ultra-desirable nitride finish. This is the finest threaded replacement...

HK P30L .40 9/16 X 24 Right Hand Threaded Barrel- RCMEach barrel is finely and painstakingly made from ordnance grade steel, heat treated and finished inside and out in the ultra- desirable nitride finish. This is the finest threaded replacement barrel...

HK VP9 9mm 13.5 X 1 Metric Left Hand Threaded Barrel- RCMEach barrel is finely and painstakingly made from ordnance grade steel, heat treated & finished inside & out in the ultra- desirable "nitride" finish. This is the finest threaded...

HK 2000SK .40 14.5 X 1 Left Hand Metric Threaded Barrel- RCMEach P2000 SK tactical barrel is finely and painstakingly made from ordnance grade steel, heat treated and finished inside and out in the ultra-desirable "nitride" finish. This is the finest...

New from B&T Switzerland, cold hammer forged (CHF), properly factory specification fluted & nitrided MP5 barrels manufactured exclusively for MP5's.The firearms community has long known of the close working relationship between H&K Germany...

HK German Factory P2000SK .40 S&W Barrel Brand new HK P2000SK .40 Cal factory cold hammer forged polygonal rifled barrel. This barrel measures 3.25" and is drop-in ready.

HK USP .45 ACP Expert Barrel - Black This barrel will fit all HK USP .45, full-size models. If you want a longer barrel for your HK USP 45 or USP 45 Tactical, this is a great option for an extended length or use with an HK Comp Weight.

HK German USP Full Size .40 Caliber Barrel Great idea to have a spare, factory cold hammer forged, polygonal HK barrel on hand. Compatible With: USP .40 Full Size USP .40 Tactical

HK USPC 9mm Barrel - Black

Precision made in Germany by HK and made from cold hammer forged ordnance grade steel. This is the finest threaded HK factory barrel available for the HKVP40 or VP40 Tactical pistol. The perfect barrel for use as a spare or for adding threaded items such...

MR556 & HK416 Upper Conversion Kit - 8" - HK 416C Style Finally an answer for all of those that have been wanting as close to the original HK 416C 8" barrel conversion kit for 416 or MR556. Each upgrade kit is as close as you can get to a factory HK...

HKP MP5 40/10 Fake Suppressor/Barrel Extension This fake suppressor is used as a barrel extension to bring your H&K MP5 40/10 8.85" barrel to legal conforming standards of 16" so you do not have to register the weapon as an SBR. This fits over the...

HK UMP (9mm) Barrel - 3 Lug/Threaded  

Nefarious Arms HK 416 Gas Block Assembly Tool   A Nefarious Arms creation for those that like to service or replace thier 416 gas block. This assembly tool will effortlessly help you assemble or disassemble your 416 gas block by simply alinging the...

New Swiss B&T manufactured 130mm TP9 9mm Barrel Assembly Factory B&T replacement barrel for the TP9.  

New HK German HK P2000 Barrel 9mmBrand new cold hammer forged 9mm P2000 barrel. Perfect for those that want to have a spare or for caliber conversion swaps.

HK USPC .45 ACP Barrel - Black This item is needed to make a USPC Tactical a standard-length barrel as found on the USPC .45.

HTA HK MP5SD Barrel Cleaning Tool Barrel cleaning brush tool for integrally suppressed ported barrels. This is a good tool to have on hand for any MP5SD owner to clean carbon build up and avoid your suppressor seizing on your barrel. Multiple colors...

Nefarious Arms HK 416/MR556 10.4" A3 Barrel Chrome-lined and made in the USA.  Grab this expertly crafted barrel for your next SBR or pistol build.   

Omega HK UMP .45 ACP Barrel 3 Lug Barrel New .45 cal barrel for the UMP or Omega firearms. This is the newest barrel for the UMP to hit the market that will come with a removeable 3 lug adapter. The 3 lug adapter will be the same spec as the MP5 3 lug,...

HK 33K Cold Hammer Forged Barrel Features: Machined in the USA 922r Compliant Cold Hammer Forged Steel Built to HK Germany Specifications Nitride Finish  Specifications: Overall Length - 12.69" Overall length Chambered - 5.56 NATO (.223) 1/7...