Barrels

RCM HK MP5K 10mm Barrel 14 X .75 (German)

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...

New HK German P30 Standard Factory Length .40 Cal Factory Barrel For All P30 & P30S models.

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 for the HK USPC 9mm pistol. The perfect barrel to use...

Each barrel is hand selected from the finest cold hammer forged steel (CHF) 41V45 barrel blanks. Expertly profiled & chambered in the desirable 16 flute chamber profile. Each barrel is then finished with the ultra desirable "nitrided" process for...

Dakota Tactical HK MP5SD Front End Kit If you have wanted to convert that MP5 or SP5 to an SD but didn't know where to start, look no further.  Our kit provides all necessary components (aside from suppressor) to do so. With a DTAC Cage and SD guard...

HK German 21/23 Barrel Carrying Case W/ Sling (All Steel Heavy Duty) For All HK21/23 17.75 (18&) Inch Barrels. Rare and now out of production.

HK German 21/23E Barrel Case With Sling (All Steel Heavy Duty) For All HK21/23E - 22 Inch Barrels  

New HK 53 Factory 4 Prong Frangible Ammunition AdapterA rare HK collectible item as not many were made.

Super Rare Barrel - NIW 1 in 7 - HK93, HK33: New HK93/33  NIW 1 in 7 twist (super rare) barrel with long FH pinned by HK to reach the legal 16" barrel length. Factory-installed sight tower with sight/sling eyelets and factory finish. This is the...

G36K Factory HK blank firing adapter made exclusively for the G36K. This adapter is date coded and comes complete with the spring clip installed.

Threaded Barrel - 3-Lugged- NIW - HK MP5 .40New MP5 .40 barrel.Factory-installed sight tower with sight/sling eyelets and factory finish. Rare & hard to find only a few are available. This is a one time offering never to be available again as these...

New HK German P30, P30S Standard 9mm Factory BarrelBrand new factory German HK P30, P30S 9mm Standard Length Barrel- 3.85"Cold hammer Forged, date coded, and proofed barrel.

New HK German Cold Hammer ForgedbarrelNo longer made or available. Last call on this rare and no longer made offering. We have the last of these barrels to ever be offered.

Barrel - HK USC 45 in Exc + shapeHK German Factory USC 45 barrel in Excellent + condition. Rare and hard to find. 

  The real deal factory HK Match barrel. 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 for use with an HK Comp Weight. Super...

New Heckler & Koch Factory Threaded Barrel This barrel is a drop-in replacement barrel for standard full-size USP 9mm Pistols. Cold hammer forged, polygonal rifled, and made in Germany. 13.5mm X 1mm left hand threaded 4.86" overall length Drop in...

HK USP Compact .357 SIG Barrel This barrel is a direct replacement part for all HK USPC .40 or .357 or if you want to convert your .40 USPC to a .357. It comes 3.58" in overall length. 

Brand New HK German Standard Length VP40 Barrel.Cold Hammer Forged & Make in Germany.Fits all HK VP40 and VP40 Tactical Models.

H&K MP5 .40 S&W Threaded & 3-Lugged Barrel German HK Barrel that is threaded and three lugged with the factory correct thread pitch (14 x .75) and thread protector. Pulled out from demilled MP5/40's, this is a rare part, and only a few are...

H&K P30L 4.45" 9mm Barrel - Black Factory German 4.45" barrel perfect for replacement or for that project barrel. Compatible with all HK P30 models.

HK UMP .40 Caliber Conversion Kit This UMP conversion kit provides the necessary components to convert .45 sub-guns to .40 caliber. Machined bolt carriers are available for USC/UMP conversion sub-guns. This is a simple, drop-in conversion requiring a...

HK UMP 45 ACP 8 Inch Barrel - German German HK Cold Hammer Forged Barrel- UsedUsed PD trade in authentic German HK UMP .45 barrel. Polygonal and cold hammer forged. A rare part as the barrel is not a part that can be bought from HK separately. The only...

New Extended US-Made Barrel Handle For HK21/HK21E & HK23E Barrels.

Barrel - USA - HK G36E Brand new HK G36E barrel. Barrel length 19".

HK Parts SP5 Micro Comp - Knurled - 1/2 X 28  Our new SP5 micro comp has the apearance of a standard factory style thread protector but now extended and slotted to provide a micro comp feature. The added slots help mitigate gasses allowing the...

AR15, M4 Billeted Low Profile Gas Block - Stainless Steel Features: Low-profile design Dual set screw design for secure attachment Great for new builds or replacing worn parts Dependable high quality full machined parts at an incredible price Made from...

MR556 & HK416 Upper Conversion Kit - 14.5"Finally an answer for all of those that have been wanting a 14.5" upper for an HK416 or MR556. This conversion kit adds an upper or a barrel option for your MR556, CR556 & HK 416's. Each upgrade kit is...

MR556 & HK416 Barrel - 10.4"- USA PLEASE NOTE THIS OFFERING IS THE HK 416 10.4" BARREL ONLY! UPDATES PICS OF THE BARREL ARE COMING SOON! THE PICTURES SHOW A COMPLETE UPPER KIT HOWEVER THIS THE LISTING FOR THE BARREL WITH BARREL EXTENSION INSTALLED...

MR556 & HK416 Barrel Conversion Kit - 9" - HK 416C Style Finally an answer for all of those that have been wanting as close to the origional, rare unicorn of a find HK 416C 9" barrel conversion kit for 416 or MR556. Each conversion kit upper or...

MR556 & HK416 Upper Conversion Kit - 9" - HK 416C Style Finally an answer for all of those that have been wanting as close to the original, rare unicorn of a find HK 416C 9" barrel conversion kit for 416 or MR556. Each conversion kit upper or barrel...

HK UMP, Omega .45 Cal 3 -Lug & Threaded Barrel - 16 x 1 Right HandNew USA made .45 cal 8" barrel for the UMP or Omega firearms. Each barrel is threaded 16 x 1 RH and 3 lug tipped. The finest barrel for the UMP .45 on the market.

HK UMP (9mm) Barrel - 3 Lug Threaded This barrel is the perfect addition to your UMP conversion as it includes the 3-lug and threaded (1/2 X 28) end of the barrel for use with suppressors or factory HK 3-lug flash hiders.

HK UMP 9mm Conversersion Kit - USA - 9mm UMP/USC conversion kit will convert existing USC-UMP conversions to 9mm. This is a simple drop-in conversion for those who have already done the USC-UMP conversion. The total conversion requires approximately...

HK UMP 9mm Conversion Kit - Threaded Barrel 1/2 x 28 9mm UMP/USC conversion kit will convert existing USC-UMP conversions to 9mm. This is a simple drop-in conversion for those that have already done the USC-UMP conversion. The conversion parts are drop...

HK UMP 9mm BarrelUS made replica of the HK UMP 9mm barrel. Counts as one US made compliant part as an added bonus.

HKP Mark 23 16 X 1 RH Thread Protector New US HK Mark 23 SOCOM thread protector for all H&K Mark 23 / SOCOM barrels threaded 16mm X 1 right hand twist. A must have thread protector for the protection of your expensive threaded barrel. Nitride and...

MP5K 3-lug barrel extension, Fake suppressor - USA Total weight is 14 oz made from steel & aluminum, overall diameter is 1.4 inches.Each faux suppressor is designed to attach to the 3 lug MP5K 3 lugged barrel and can be permanently attached (blind...

HK23E Heavy Barrel - 5.56 x 45mm will also accept .223Brand new -US made custom rifle barrel. Quick change HK23E, MM23E or HK13 Barrel. Steel 17.75 inch barrel 1 x 7 twist. Has the original HK heavy barrel contourA must have spare for your HK rifle or...

HK23E Light Contour Barrel - 5.56 x 45mm will also accept .223 Brand new -US made custom rifle barrel. Quick change HK23E, MM23E or HK13 Barrel. Fits all HK23E, MM23E and HK13, MM13 style of firearms. 17.75 inch barrel Includes the flash hider, factory...