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
HK MP5 Bolt Carrier - Full Auto - 10mm, .40 S&W, and .357
RCM
Now: $142.16Was: $157.95MP5 40, 10mm - Full Auto Bolt Carrier Machined completely from billet ordnance steel. This carrier is made to the latest specs and are Tungsten filled and heat treated providing the finest American made carrier available. Compatible With: MP5 40 MP5...Now: $142.16Was: $157.95 -
On Sale
HK MP5K Bolt Carrier - Full Auto - 10mm and .40 S&W - USA
HKP HK Parts
Now: $119.96Was: $149.95HKP MP5K 40/10 Full Auto Bolt Carrier Machined completely from billet ordnance steel. This carrier is made to the latest specs and is Tungsten filled, and heat treated providing the finest American made carrier available. Not to be confused with cheap...Now: $119.96Was: $149.95 -
On Sale
HK MP5, 90 Series Holder Plate for Locking Rollers
MKE
Now: $22.45Was: $29.95MKE Roller Retainer Plate for Rollers This item is a common wear item that is great to have on hand as they are one of the top items that break or fail with use and age of the service weapon. Compatible With: HK MP5, 94 HK MP5K, SP89 HKG3, 91,...Now: $22.45Was: $29.95 -
On Sale
HK G36K Factory Blank Firing Adapter
H&K Heckler & Koch
Now: $242.95Was: $269.95H&K HK G36K Factory Blank Firing Adapter G36K Factory HK blank firing adapter. This adapter is date coded and comes complete with the spring clip installed. Compatible With: G36K exclusivelyNow: $242.95Was: $269.95 -
HK21E, HK11E, PSG1, MSG90 Firing Pin
H&K Heckler & Koch
$119.95HK German 21E, 11E, PSG1, & MSG90 Firing Pin New HK genuine 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. Compatible With: HK...$119.95 -
On Sale
HK MP5 Bolt Carrier - Full Auto - .40, 10mm
H&K Heckler & Koch
Now: $305.95Was: $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.Now: $305.95Was: $339.95 -
HK MP5, AP5 Recoil Rod
MKE
$64.95MKE HK MP5, AP5 Steel Recoil Rod Turkish-made steel recoil rod for MP5-style firearms. OEM-quality part that replaces worn or bent recoil rods and is designed to help restore smooth cycling and proper bolt movement on 9mm MP5 and AP5 roller-delayed...$64.95 -
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 -
On Sale
HK11 Recoil Spring
H&K Heckler & Koch
Now: $17.05Was: $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...Now: $17.05Was: $18.95 -
On Sale
HK MP5, MP5K 40/10 SD 120 Degree Locking Piece
RCM
Now: $40.46Was: $44.95RCM HK MP5 & MP5K 40/10 SD 120 Degree Locking Piece Compatible With: MP5/K 10 MP5/K 40Now: $40.46Was: $44.95 -
On Sale
HK UMP Bolt Carrier - Semi-Auto - Complete - .45 S&W
OMEGA
Now: $224.95Was: $359.95Omega HK UMP .45 Bolt Carrier Complete - Semi Auto Replacement part for USC to UMP conversions. Marked .45 semi auto just like the OEM carrier. Compatible With: HK UMP .45 Includes: Extractor Firing Pin Firing Pin Spring Firing Pin Retaining Pin The...Now: $224.95Was: $359.95