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 Stock
HK MP5 Locking Roller +2 - .40 S&W, 10mm
H&K Heckler & Koch
$19.99H&K Heckler and Koch +2 Roller for HK MP5 40,10 New HK German MP5 40,10 +2 roller. Hard to find and essential for making headspace adjustments when necessary. Great spare to have on hand and no longer in production. Please Note: The price...HKP-00334$19.99 -
HK416, MR556 SS Firing Pin
HKP HK Parts
$29.95Firing Pin For HK 416 & MR556 Firearm - USA Made from hardened stainless steel and comes new in the white. Compatible With: HK416 HK MR556 HK CR556 HK M27HKP-01756$29.95 -
HK G36, SL8 Firing Pin Retaining Pin
H&K Heckler & Koch
$10.95H&K G36/SL8 (5.56/.223) Firing Pin Retaining Pin Compatible With: HK G36 HK SL8HKP-02469$10.95 -
HK417, MR556, MR762 Index Pin Spring
H&K Heckler & Koch
$7.95H&K HK MR556/MR762/417 Index Pin Spring Compatible With: HK MR556 HK 417 HK MR762HKP-17021$7.95 -
HK23E, HK13E Firing Pin
H&K Heckler & Koch
$109.95H&K 23E/13E (5.56/.223) Factory German Firing Pin New HK23E & HK13E factory German firing pin. These firing pins are no longer in production from HK. We have a limited number available and once they are gone, they are gone for good...HKP-00820$109.95 -
Out Of Stock
PTR 32 Complete Bolt Head - 7.62x39 - US Made
$199.95PTR 32 (7.62x39) Complete Bolt Head - US Made This item is a complete bolt head using a combination of new HK German and new US-made Parts. Bolt Head counts as one US-made compliance part for the 922r compliance. Compatible With: All HK PTR-32 7.62 X...HKP-02280$199.95 -
HK MP5 Bolt Hold Open Axle Roll Pin - .40 S&W, 10mm
H&K Heckler & Koch
$8.95H&K MP5 40/10 Bolt Hold Open Axle Roll PinHKP-01634$8.95 -
HK G36, SL8 Bolt Catch Spring
H&K Heckler & Koch
$9.95HK German G36 & SL8 Bolt Catch SpringHKP-01861$9.95 -
PTR-32 Locking Piece - 70 degree
PTR
$63.95PTR-32 (7.62x39) Locking Piece - 70 degree New PTR Locking Piece For PTR-32. Marked "70" for the PTR-32 series of rifles and pistols. This is a 70 degree locking piece. New PTR manufacture. This locking piece will also work for custom HK builds as well.HKP-18519$63.95 -
HK MP5 Recoil Rod Bushing - .40 S&W, 10mm, .357 SIG
H&K Heckler & Koch
$9.95New HK German MP5 40/10/.357 Recoil Rod Guide Ring Bushing For all MP5 40/10 & MP5F Recoil Rods. These will wear and become brittle and torn with age and use. A great item to have on hand for spare parts.HKP-00441$9.95 -
HK MP5 Locking Piece #24 - 90 Degree - Low Impulse - .40 S&W, 10mm
H&K Heckler & Koch
$129.95New HK German MP5 40 or MP5 10mm Low Impulse Locking Piece Marked #24 This is the factory 90-degree locking piece. Used for standard loads with low to average impulses. Compatible With: MP5 10 MP5 40 MP5 .357HKP-00438$129.95 -
HK417, MR762 Cartridge Extractor
H&K Heckler & Koch
$94.95H&K HK MR762/417 Cartridge Extractor Compatible With: HK MR762 HK 417HKP-16842$94.95