Bolt Carrier Groups
Discover top-quality Heckler and Koch bolt carrier groups at HK Parts, including the HK MP5 bolt carrier, HK G3 bolt carrier, and HK93 bolt carrier. Explore our selection of full auto bolt carriers, enhanced bolt carriers, and tungsten-filled bolt carriers for models like the HK416, HK91, and HK MR556. Ensure reliability with factory HK bolt carriers and US-made bolt carriers. Shop now for chrome-lined bolt carriers, firing pin assemblies, and complete bolt heads to maintain 922r compliance and superior performance.
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Out Of StockOn Sale
HK G36 Incomplete Bolt Group Carrier
H&K Heckler & Koch
Now: $446.39Was: $495.99HK G36 Bolthead Carrier Incomplete This is not compatible with a HK SL8.Now: $446.39Was: $495.99 -
On Sale
Now: $7.16Was: $7.95 -
On Sale
HK21E, HK23E Recoil Rod Guide Ring
H&K Heckler & Koch
Now: $17.95Was: $19.95HK 21E & HK 23E Recoil Rod All Steel Guide RingNow: $17.95Was: $19.95 -
Out Of Stock
HK PSG1 Spring - Firing Pin
H&K Heckler & Koch
$0.00HK German PSG-1 Firing Pin Spring. New HK German. A Great Item To Have On Hand As A Spare.$0.00 -
On Sale
HK MP5SD 110 Degree Locking Piece
HKP HK Parts
Now: $39.96Was: $49.95MP5 40 & MP5 10mm SD 110 Degree Locking Piece - USA Made in the USA from an enhanced material and heat treated to factory specifications. Each US made MP5 40/10 SD 110 degree locking price is designed for use with the MP5 40/10 SD variants...Now: $39.96Was: $49.95 -
HK MP5 Axle Rod - Bolt Hold Open - 10mm / .40 S&W
H&K Heckler & Koch
$129.95H&K MP5 40/10 Bolt Hold Open Axle Rod This is the German HK MP5 40/10 bold hold open axle rod. Each unit has the 2 pre-drilled holes for activation screw and clamping sleeve. German HK manufacture. Compatible With: MP5 40 MP5 10 MP5 .357 Please...$129.95 -
On Sale
HK MP5K/SP89 9mm Recoil Guide Rod Stripped
H&K Heckler & Koch
Now: $13.46Was: $14.95New HK German MP5K, SP89 Recoil Guide Rod Bar Incomplete Recoil spring rod stripped. Compatible with all MP5K & SP89 recoil springs.Now: $13.46Was: $14.95 -
On Sale
HK416 A5 Bolt Carrier
H&K Heckler & Koch
Now: $1,497.95Was: $1,997.95H&K HK416 A5 Bolt Carrier Factory HK416 A5 full auto bolt carrier. This carrier is backwards compatible with earlier HK416 A1 and A3 variants. Features the updated captive firing pin retaining system. Compatible With: HK416 A5 HK416 A1 HK416...Now: $1,497.95Was: $1,997.95 -
On Sale
HK417 Bolt Carrier - Full Auto
H&K Heckler & Koch
Now: $1,673.96Was: $1,859.95H&K HK417 Bolt Carrier - Full Auto Genuine factory full auto HK417 bolt carrier. Although designed for the full auto HK417, the carrier is compatible with MR762 receivers. Limited number available. Compatible With: HK417 HK...Now: $1,673.96Was: $1,859.95 -
On Sale
HK 90 Series Locking Roller for Bolt Head - 7.96mm
MKE
Now: $20.66Was: $28.95MKE -4 Roller for Bolt Head 7.96mm - Under-sized The proper roller size is essential for proper head spacing and bolt gap. Made in Turkey by MKE on HK tooling. Please Note: The price listed is per roller. Order 2 (pair) for a complete set for the...Now: $20.66Was: $28.95 -
On Sale
HK MP5 40/10 Standard 8mm Roller - BLEMISHED
H&K Heckler & Koch
Now: $9.71Was: $20.95H&K MP5 40/10 Standard 8mm Roller - BLEMISHED MEASURED 8.00mm ROLLER MARKED INCORRECTLY. PACKAGING MAY NOT REFLECT PRODUCT. CONDTION MAY VARY. COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL...Now: $9.71Was: $20.95 -
On Sale
HK MP5K Carrier Weldment Tube
USA
Now: $14.96Was: $44.95HK MP5K Carrier Weldment Tube The MP5K carrier weldment tube houses and supports the carrier assembly in the HK MP5K firearm. Each tube ships raw/unfinished and is ready to weld into your build. Compatible With: HK MP5K THIS CLOSEOUT PART IS NOT...Now: $14.96Was: $44.95