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 UMP, USC Extractor - .40 S&W
USA
$39.95New US-Made USC Or UMP .40 Extractor This part is a repair and replacement item, as these are prone to breakage, and it's a part that's hard to find and a great item to have on hand. Please Note: HK considers this a high wear and replacement...HKP-02624$39.95 -
Out Of Stock
HK23E Extractor Spring
H&K Heckler & Koch
$0.00HK23E Factory German Extractor Spring Rare and hard to find. This is a new HK German part.HKP-00819$0.00 -
Out Of Stock
HK21E, HK23E Extractor Cylindrical Pin
H&K Heckler & Koch
$0.00HK 21E, HK 23E Extractor Cylindrical Pin This part holds the extractor in place on the bolt head. A great spare to have on hand.HKP-00863$0.00 -
Out Of Stock
HK21, HK23E, PSG1, MSG90 Firing Pin Spring
H&K Heckler & Koch
$0.00HK German HK21E, HK23E Firing Pin Spring A must-have spare and replacement part. No longer in production. Compatible With: HK21E HK23E HK11E HK13 E HK21 HK MSG90 HK PSG1HKP-00816$0.00 -
Out Of Stock
HK11E Bolt Group - Complete
H&K Heckler & Koch
$0.00HK11E Bolt Group Complete This is the complete bolt group for an HK German HK11E. Now out of production and rare. Includes the following: HK11E bolt carrier complete HK11E bolt head complete HK11E firing pin HK11E firing pin spring HK11E locking piece...HKP-00585$0.00 -
Out Of Stock
HK21 Firing Pin
H&K Heckler & Koch
$0.00HK German 21 Firing Pin - Old Stock Compatible With: HK21HKP-00546$0.00 -
Out Of Stock
HK PSG1, MSG90 Locking Piece #30T - 45 degree
H&K Heckler & Koch
$0.00Hekler and Koch 30T, 45 degree Locking Piece for HK PSG1 and HK MSG90 (7.62x51/.308) HK German PSG-1/MSG90 30T Locking Piece. This is 45 Degree & Made of Titanium For the PSG or MSG Rifles. This is similar to the 23T locking piece only this...HKP-00536$0.00 -
HK MSG90 Locking Roller - 8.00mm - Titanium
H&K Heckler & Koch
$284.95HK German MSG-90 Titanium 8.00mm Set (one of two rollers) Half Moon Rollers Half moon rollers. Please Note: The price listed is per roller. Order 2 (pair) for a complete set for the bolt head. An easy way to remember the size you need to order -...HKP-00227$284.95 -
HK MSG90 Locking Roller -2 - 7.98mm - Titanium
H&K Heckler & Koch
$284.95HK German MSG-90 Titanium -2 or 7.98mm Half moon rollers. Please Note: The price listed is per roller. Order 2 (pair) for a complete set for the bolt head. An easy way to remember the size you need to order - plus-size rollers increase the bolt gap...HKP-01063$284.95 -
HK MSG90 Locking Roller +4 - 8.04mm - Titanium
H&K Heckler & Koch
$329.95MSG90 (7.62x51/.308) +4 Rollers 8.04mm Set -Titanium Half moon rollers. Please Note: The price listed is per roller. Order 2 (pair) for a complete set for the bolt head. An easy way to remember the size you need to order - plus-size rollers...HKP-02454$329.95 -
HK MSG90 Locking Roller +2 - 8.02mm - Titanium
H&K Heckler & Koch
$284.95MSG90 (7.62x51/.308) +2 Rollers 8.02mm Set -Titanium Half moon rollers. Please Note: The price listed is per roller. Order 2 (pair) for a complete set for the bolt head. An easy way to remember the size you need to order - plus-size rollers increase the...HKP-02453$284.95 -
Out Of Stock
HK PSG1, MSG90 Bolt Carrier Group - Complete
H&K Heckler & Koch
$0.00New HK German PSG1, MSG90 Bolt Carrier Group Complete, A rare find and hard to find. Each bolt comes with the newest production HK German parts: PSG1/MSG90 Bolt carrier with forward assist grooves, Tungsten. Complete PSG1/MSG90 Bolt head 30T PSG1/MSg90...HKP-00533$0.00