Barrels

HK USP .45 Compact & HK USP Compact .45 Tactical threaded barrel for use with a wide variety of flash hiders & sound suppressors. This offering is for an HK USPC & USPC .45 Tactical barrel with US .578-28 right hand threads. A much more...

HK USP .40 Full Size To .357 Sig Conversion Barrel.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 replacement barrel available...

HK USPC .40 Cal 14.5 X 1 Threaded Barrel- RCMEach USPC .40 S&W 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...

HK 416, MR556 Barrel Nut Installation & Removal Tool New US manufactured barrel nut removal and installation tool. Each tool has the provision installed to allow the use of an off the shelf 1/2" torque wrench to be used while removing and installing...

Threaded Barrel - 13.5 X 1 - 9mm - HK P30SK, P2000SKEach HK P2000SK & P30SK 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...

HK USPC 9mm 1/2 X 28 Threaded Barrel- RCM Each USPC 9mm tactical barrel is made from ordnance grade steel, heat treated, and finished inside and out in the ultra-desirable "nitride" finish. It is the finest threaded replacement barrel for the HK USPC 9mm...

Each barrel is finely & painstakingly made from ordnance grade steel, heat treated & finished inside & out in the ultra- desirable "nitride" finish. This is the finest threaded barrel available for the HK VP9 9mm pistol. The perfect barrel...

RCM HK45 Threaded Barrel With HK German Thread Protector & O-ring InstalledUS made HK45 tactical threaded barrel for use with a wide variety of flash hiders & sound suppressors.To make this offering an even greater value based package. Each HK45...

HK Mark 23 Non-Threaded Flush Concealed Carry &Flush Fit& Barrel - 5.38& CUSTOM MADE LIMITED NUMBER! Each barrel is finely and painstakingly made from ordnance grade steel, heat treated and finished inside and out in the ultra-desirable nitride finish...

PTR Heavy Match Grade Barrel - US - 5/8 X 24New PTR-91 US manufactured heavy profile match grade 18" barrel - Threaded 5/8 X 24New production perfect for new builds. Counts as one US made compliant part. As with all HK G3/91 barrels these have the...

HK USP .45 & HK USP .45 Tactical threaded barrel for use with a wide variety of flash hiders & sound suppressors. This is a special offering as a factory USP .45 Tactical barrel is threaded metric 16 X 1 left hand (not as common) as the US...

H&K HK P2000 .357 Barrel - Black This is a great spare or replacement barrel to have on hand. This is a popular barrel to convert the P2000 .40 to .357.

New HK German G36K Gas Piston Rod/Spring Assembly Great for spare parts or to use on that HK Sl8-G36 conversion.  

HK MP5K Trunion - USA US made to exact factory HK specifications for the HK MP5K 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 spec making...

  HK Mark 23 Non-Threaded Extended Barrel - 6.02" CUSTOM MADE LIMITED NUMBER! 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...

Each P2000 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 9mm pistol...

HK USP Threaded 1/2 X 28 9mm 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 replacement barrel available for the HK...

RCM HK34 MP5 9mm Barrel - 16.5" - CHF Each barrel is hand-selected from the finest cold hammer forged steel (CHF) 41V45 barrel blanks. Expertly profiled and chambered in the desirable 16-flute chamber profile. Each barrel is finished with the...

Factory German HK G36 CQB Barrel Assembly - NewBrand new HK German cold hammer forged barrel assembly, date coded, uninstalled & unfired in the factory wax paper wrapping. This is a one time offering never to be available again. Each barrel assembly...

HK USP .45 ACP Full Size Standard Length Barrel - Black This part can be a replacement barrel for the USP Tactical if you do not want to have the threaded barrel installed. Easy drop-in installation. It can also be used to convert the USP Tactical .45 to...

New Heckler & Koch factory threaded barrel. This barrel is a drop in replacement barrel for USP 9mm SD models 9mm Pistols. Can be used on standard USP 9mm full size models without the o-ring installed (remove) 13.5mm X 1mm left hand threaded 4.86"...

RCM HK 91 / G3 Cold Hammer Forged Barrel - Black Made by RCM to the highest tolerances and finest material available. Perfect for that HK build or to replace that shot-out barrel. Each barrel counts as 1 US-compliant part as a bonus. These are the...

H&K HK 45/45 Tactical Threaded Barrel - Black New HK45 German factory cold hammer forged threaded barrel for use with flash hiders or sound suppressors. This is a drop-in barrel for any of the HK45 full-size pistols. No gunsmith is required as this...

MP5 SD Barrel CHF - RCM This part is made in the USA of Cold Hammer Forged (CHF) Steel. This high-quality barrel is processed using the highly desirable Nitride process, which creates a super durable finish. Precision milled to the latest specs...

New HK German Black .40 Cal Barrel O-ring for all.40 caliber HK barrels This factory part is a high wear and replacement item as the O-ring provides the seal between the slide and the barrel, which provides a secure lockup and increased accuracy...

H&K HK Mark 23/SOCOM Threaded Barrel - Black A great replacement item for a now out-of-production pistol. New HK German mark 23 barrel threaded with the factory correct 16 X 1 right-hand thread. Get that replacement or factory new spare barrel while...

HK MP5 SD Front End Build Kit  HK MP5 SD Front End Build Kit. Each Kit Comes With Everything Need To Build An MP5 SD Front End With The Exception Of The Actual Suppressor.Each kit consists of all new HK Parts featuring the finest USA (HK PARTS) made...

Brand New HK German Standard Length VP9 Barrel. Marked HK 9mmx19Brand new cold hammer forged & made in Germany.Fits all HK VP9 and VP9 Tactical Models.

G36C Barrel Front End Barrel Kit - 223/556 New production HK G36C style barrel conversion kit and front end kit. Each kit will include the necessary parts to build a G38/SL8 variant into the G36KC barrel length variant as pictured. All you need is this...

MP5K 3-Lug Barrel Barrel Extension, Fake Suppressor US made MP5K solid aluminum fake suppressor, barrel extension.Slips over the 3-lug MP5K PDW barrel and then pinned in place to meet the overall 16" barrel length required for rifle builds. Made in one...

  PTR G.I. Spec Barrel- US - 5/8 X 24 New PTR-91 US made G.I. spec 18" barrel. Threaded 5/8 X 24New production perfect for new builds. Counts as one US made compliant part. Please note: As with all PTR91 .308/7.62 barrels the front sight tower...

HK45C, HK45C Tactical Threaded Barrel .578 X 28 - USUS made HK45C & HK45C Tactical threaded barrel for use with a wide variety of flash hiders & sound suppressors. This is a special offering as a factory HK45C Tactical barrel is threaded metric...

HK USPC .40 9/16 X 24 Threaded Barrel- RCMEach USPC .40 S&W 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...

B&T MP5 3-Lug Threaded Barrel 1/2 X 28 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...

HK German USP Compact .45 Tactical Threaded Barrel USP 45 Compact, USPC Tactical Threaded Barrel 16 X 1mm Left Hand Twist .45 Caliber Cold hammer-forged barrel Polygonal rifling 4.46" barrel overall length Has O-ring groove (order spare O-rings below as...

HK45C German Barrel Genuine Heckler & Koch HK45 Compact standard length, non-threaded, factory barrel. This is a great item to have as a spare. 

P30 9mm Tactical Threaded Barrel-1/2 X 28 - Includes thread protectorEach HK German barrel now includes a factory HK German thread protector with each threaded P30 barrel threaded 1/2 X 28. We start with a New HK German P30L barrel that we...

HK USP .40 Full Size Threaded 9/16 X 24 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 replacement barrel available...

HK416C Complete Upper Kit - 9"  After years trying to get these back in. We finally bring you a rare unicorn of a find. With our complete 416c upper kit all that would be needed to complete this kit would be a mil-spec lower or a STS 416c lower...

HK MR556, HK 416 Barrel Nut Or Socket For Barrel All steel barrel nut. This item is a must have repair and replacement part for removal or when you have any work done to your barrel as the barrel nut may become damaged in the removal & installation...