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
HK33, HK53, HK93 Extractor - USED
H&K Heckler & Koch
Now: $48.95Was: $67.95HK33, HK53, HK93 Extractor - USED ONLY 1 UNIT AVAILABLE - AS PICTURED USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. A great replacement for your HK or clone. A high wear item that can become worn,...HKP-00189-USEDNow: $48.95Was: $67.95 -
On Sale
Ruger Precision Bolt Shroud - Firing Pin Tool - Aluminum - US - BLEMISHED
HKP HK Parts
Now: $14.95Was: $67.95Ruger Precision Bolt Shroud - Firing Pin Tool - Aluminum - US - 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...HKP-17859-BNow: $14.95Was: $67.95 -
On Sale
HK91, G3 Bolt Group - Complete - Semi-Auto - USED
H&K Heckler & Koch
Now: $559.95Was: $849.95Heckler and Koch Complete Semi-Auto Bolt Group for HK91, G3 - USED ONLY 1 UNIT AVAILABLE - AS PICTURED Complete factory German semi-automatic bolt group manufactured by Heckler and Koch for HK91 and G3 pattern rifles. Intended for replacement, reference,...HKP-99389Now: $559.95Was: $849.95 -
On Sale
HK UMP40 Bolt Group - Semi-Auto - 40 S&W - USED
H&K Heckler & Koch
Now: $729.95Was: $949.95Heckler and Koch HK UMP40 Bolt Group - Semi-Auto - 40 S&W - USED ONLY 3 UNITS AVAILABLE - VARYING CONDITION SHOWN - SOLD INDIVIDUALLY Complete factory HK bolt group for semi-automatic UMP firearms chambered in .40 S&W. Intended for replacement,...HKP-99388Now: $729.95Was: $949.95 -
On Sale
HK SL8, G36 Bolt Head - Complete - USED
H&K Heckler & Koch
Now: $139.95Was: $199.95Heckler and Koch Complete Bolt Head for HK SL8, HK G36 - USED ONLY 1 UNIT AVAILABLE - AS PICTURED Complete factory bolt head assembly for HK SL8 and G36 pattern firearms. Intended for replacement, reference, or build use on applicable platforms...HKP-99384Now: $139.95Was: $199.95 -
On Sale
HK MP5 Bolt Head with Locking Piece - .40 S&W, 10mm - BLEMISHED
H&K Heckler & Koch
Now: $559.95Was: $749.95Heckler and Koch Bolt Head with Locking Piece for HK MP5 .40 S&W and 10mm - BLEMISHED ONLY 7 UNITS AVAILABLE - CONDITION MAY VARY COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED...HKP-99369Now: $559.95Was: $749.95 -
On Sale
HK SL6 Bolt Head Complete - BLEMISHED
H&K Heckler & Koch
Now: $179.95Was: $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...HKP-17496-BNow: $179.95Was: $249.95 -
On Sale
HK MP5K, AP5-P Recoil Guide Rod - 9mm
MKE
Now: $19.95Was: $24.95MKE HK MP5K 9mm Recoil Guide Rod Incomplete recoil spring guide rod. Compatible With: MP5K MKE AP5-PHKP-22237Now: $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...HKP-22161$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...HKP-22160$129.95 -
On Sale
HK416 Upper Receiver Assembly - 14.5" Barrel - OTB - Unfired
H&K Heckler & Koch
Now: $9,999.95Was: $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...HKP-02095Now: $9,999.95Was: $14,499.95 -
HK MP5 Bolt Carrier - Full Auto - 10mm / .40 S&W - Tungsten
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.HKP-19390$449.95