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 SL6 Bolt Head Complete - BLEMISHED
H&K Heckler & Koch
Now: $134.96Was: $249.95H&K HK SL6 Bolt Head Complete - BLEMISHED ONLY 1 UNIT AVAILABLE - AS PICTURED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. New old stock and the last units...Now: $134.96Was: $249.95 -
On Sale
HK MP5, MP5K Recoil Guide Rod - 9mm
MKE
Now: $19.95Was: $24.95MKE HK MP5K 9mm Recoil Guide Rod Incomplete recoil spring guide rod. Compatible With: HK MP5K Century Arms AP5Now: $19.95Was: $24.95 -
HK91, G3 Bolt Carrier - Full Auto - SURPLUS
H&K Heckler & Koch
$149.95Heckler and Koch Factory F/A Bolt Carrier for HK G3 and HK91 - SURPLUS UNIT QUALITY MAY VARY - SEE PHOTOS FOR EXAMPLE OF CONDITION RANGE Surplus factory H&K full-auto steel bolt carrier for the G3. Serves as the primary cycling component, driving the...$149.95 -
HK91, G3 Bolt Carrier - Full Auto - SURPLUS - FMP
H&K Heckler & Koch
$129.95Heckler and Koch's F/A Bolt Carrier for HK G3 and HK91 - FMP - SURPLUS One UNIT ONLY UNIT QUALITY MAY VARY - SEE PHOTOS FOR EXAMPLE OF CONDITION RANGE Used full-auto steel bolt carrier manufactured by FMP on original Heckler and Koch tooling. Compatible...$129.95 -
HK UMP Recoil Rod Spring
HKP HK Parts
$9.95HKP UMP Recoil Rod Spring Upgrade or replace your UMP recoil system with this high-quality recoil rod spring from HK Parts. Whether you're maintaining a factory setup or enhancing a custom build, the HKP recoil rod spring is a perfect fit for UMP-style...$9.95 -
HK416 Upper Receiver Assembly - 14.5" Barrel - OTB - Unfired
H&K Heckler & Koch
$14,499.95Unfired "BF" Date Coded HK Factory German 416 14.5" Upper Kit No FFL is required. This upper assembly is only considered a part. This is a rare offering. All NFA rules apply - Check your local short barrel rifle regulations. Includes: HK 416...$14,499.95 -
HK MP5 Bolt Carrier - Full Auto - 10mm and .40 S&W
H&K Heckler & Koch
$449.95New 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.$449.95 -
Out Of Stock
HK33, HK53, HK93, HK33K #15 Locking Piece
H&K Heckler & Koch
$0.00H&K HK 93, HK 53, HK 33K, HK 33 #15 Locking Piece The German HK 65 degree angled locking piece was standard on the early HK53 rifles. This locking piece is also used for some custom HK build applications. Also, a great idea to keep a spare on hand...$0.00 -
Out Of Stock
HK G36, SL8 Lower Axle Pin
H&K Heckler & Koch
$0.00G36 & HK SL8 Lower Axle Pin The G36/SL8 (all models) uses the same size axle pin for all of the lower components (3 total). Except for the bolt holding open the device axle. Must insert from the right side to the left (per factory instruction).$0.00 -
Out Of Stock
HK G36 Bolt Group - Complete
H&K Heckler & Koch
$0.00HK G36 Bolt Group New Factory German HK. HK G36 HK G36K HK G36CThis will not work with a HK SL8.$0.00 -
Out Of Stock
HK91. G3 F/A Complete Bolt Group
H&K Heckler & Koch
$0.00German G3, 91 F/A Bolt Group CompleteEach Bolt group includes the following factory HK parts: Complete Bolt Head Assembled (extractor, extractor spring, roller retainer plate and rollers) >Firing pin >Firing pin spring >HK91/G3 locking piece...$0.00 -
Out Of Stock
HK417, MR762, G28 Bolt Head Complete
H&K Heckler & Koch
$439.95H&K HK MR762/417/G28 Bolt Head Complete New HK German manufacture Compatible With: HK MR762 HK MR308 HK G28$439.95