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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HK MP5 Bolt Carrier - Full Auto - .40, 10mm
H&K Heckler & Koch
$339.95New HK German MP5 40/10 Factory F/A Bolt Carrier This is the latest and greatest version of the MP5 40 and MP5 10mm carrier. No longer in production or manufactured. Tungsten-filled German HK and the real deal.$339.95 -
On Sale
HK21 Firing Pin - USED - BLEMISHED
H&K Heckler & Koch
Now: $29.96Was: $79.95H&K 21 (7.62x51/.308) Firing Pin - USED - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Compatible With: HK21Now: $29.96Was: $79.95 -
On Sale
HK MP5 Oversized 100 Degree Standard Locking Piece - BLEMISHED - Gunsmith Special
USA
Now: $7.46Was: $33.95HK MP5 Oversized 100 Degree Standard Locking Piece - BLEMISHED - Gunsmith Special This US-made MP5 100 degree locking piece is the correct locking piece for all HK MP5-style forearms. This locking piece has also now become the factory correct locking...Now: $7.46Was: $33.95 -
HK11 Recoil Spring
H&K Heckler & Koch
$18.95H&K HK11 Recoil Spring This German-made HK11 recoil spring is longer than the standard G3 springs but has the same pattern. As a project spring, this part can be cut down for use on G3 and HK33-type recoil rods. Many U.S.-built HK11's use G3 springs...$18.95 -
HK MP5, MP5K 40/10 SD 120 Degree Locking Piece
RCM
$44.95RCM HK MP5 & MP5K 40/10 SD 120 Degree Locking Piece Compatible With: MP5/K 10 MP5/K 40$44.95 -
Out Of Stock
HK G36 Incomplete Bolt Group Carrier
H&K Heckler & Koch
$495.99HK G36 Bolthead Carrier Incomplete This is not compatible with a HK SL8.$495.99 -
$7.95 -
HK21E, HK23E Recoil Rod Guide Ring
H&K Heckler & Koch
$19.95HK 21E & HK 23E Recoil Rod All Steel Guide Ring$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 -
HK MP5SD 110 Degree Locking Piece
HKP HK Parts
$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...$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 -
HK MP5K/SP89 9mm Recoil Guide Rod Stripped
H&K Heckler & Koch
$14.95New HK German MP5K, SP89 Recoil Guide Rod Bar Incomplete Recoil spring rod stripped. Compatible with all MP5K & SP89 recoil springs.$14.95