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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On Sale
HK416 Firing Pin Retaining Pin - Enhanced
H&K Heckler & Koch
Now: $17.95Was: $19.95Heckler and Koch Firing Pin Retaining Pin - New Style for HK416 This part is the newer style pin that is goldish, super hardened, and much less prone to wear and tear. The enhanced version is the most robust, easiest-to-use pin available. Compatible...HKP-02658Now: $17.95Was: $19.95 -
Out Of Stock
HK MP5 Bolt Carrier - Semi Auto
RCM
$146.95RCM HK MP5 Semi Auto Carrier New RCM manufactured MP5, 94 F/A carrier with all current "F" style upgrades and tungsten filled for the best performance and the utmost reliability. Machined completely from billet ordnance grade steel to exact HK German...HKP-20981$146.95 -
On Sale
HK53 Locking Piece #3 - 58 Degree
RCM
Now: $44.95Was: $49.99RCM HK 53 Locking Piece #3 - 58 Degree This is the proper locking piece for the HK33K and HK53 firearms as well as some HK51 builds.HKP-02523Now: $44.95Was: $49.99 -
On Sale
HK416, MR556, HK417, MR762 Bolt Catch Spring
H&K Heckler & Koch
Now: $5.95Was: $6.95H&K HK MR556/762/416/417 Bolt Catch Spring Compatible With: HK MR556 HK 416 HK MR762 HK 417HKP-16661Now: $5.95Was: $6.95 -
On Sale
HK91, G3 Bolt Carrier - Full Auto - Surplus
H&K Heckler & Koch
Now: $134.95Was: $149.95HK G3 Factory Full Auto Bolt Carrier - German German HK 70'- 80's production used surplus bolt carrier with locking lever, spring, and axle pin installed. Most are NOT date-coded on the top of the carrier. Most will be marked on the side or, more...HKP-01952Now: $134.95Was: $149.95 -
On Sale
HK MP5, HK90 Series Locking Roller -2 - Standard 7.98mm - Used
H&K Heckler & Koch
Now: $8.95Was: $9.95HK German Locking Roller Standard 7.98mm - Used The proper roller size is essential for proper head spacing and bolt gap. Used German German-made -2 or 7.98mm roller, each roller is priced per roller. Used HK German. HK locking roller, -2, 7.98mm. HK...HKP-20600Now: $8.95Was: $9.95 -
On Sale
HK MP5, MP5F Recoil Rod Assembly
HKP HK Parts
Now: $44.95Was: $49.95MP5 F, MP5 40/10 Recoil Spring Rod Assembly Complete - Extra Power This is the correct MP5F or MP5 40/10 Recoil Rod assembly with the proper parts and size. Most commonly used for MP5's that are using +P or +P+ ammunition or any high impulse 9mm. Or for...HKP-17833Now: $44.95Was: $49.95 -
On Sale
HK91, G3 Bolt Group, Complete - Full Auto - Used
H&K Heckler & Koch
Now: $233.95Was: $259.95Heckler and Koch Factory German Full Auto Bolt Group - Complete Used for HK G3, HK91, and PTR Everything you need as a spare or a direct replacement of your existing bolt group. This bolt group is a direct replacement of all HK G3, HK91, SAR3/8, PTR-91,...HKP-00356Now: $233.95Was: $259.95 -
Out Of Stock
HK33, HK53, HK93 Extractor
H&K Heckler & Koch
$67.95H&K 93, 53, & 33 (5.56/.223) Extractor A great replacement for your HK or clone. A high wear item that can become worn, chipped, and non-relaible. A must have spare part. German HK factory fresh production.HKP-00189$67.95 -
Out Of Stock
HK53 Bolt Carrier - Full Auto - RCM
RCM
$359.95RCM HK53 Full Auto Bolt Carrier US manufactured new-style HK53 factory bolt carrier. The finest HK53 carrier ever made with the latest & greatest German inspired improvements and updates. Ideal for 556/.223 & .300 BLK firearms. This US...HKP-20538$359.95 -
HK MP5, MP5K Bolt Head, Complete - F-Style
H&K Heckler & Koch
$499.95MP5 & HKSP5, MP5K & SP5K F Bolt Head Complete - HK German This part will fit all HK 9mm rifles and MP5 pistols. This is the latest HK production and generation of bolt heads available. These are rare and HK now considers them restricted...HKP-00130$499.95 -
On Sale
HK416, MR556, MR762 Bolt Catch Plunger
H&K Heckler & Koch
Now: $8.95Was: $9.95Heckler and Koch HK MR556 and HK416 Bolt Catch Plunger Compatible With: HK416, MR556 HK MR762HKP-02655Now: $8.95Was: $9.95