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 PSG1 Firing Pin Spring
H&K Heckler & Koch
$0.00HK German PSG-1 Firing Pin Spring. New HK German. A Great Item To Have On Hand As A Spare.HKP-00535$0.00 -
On Sale
HK417 Bolt Carrier - Full Auto
H&K Heckler & Koch
Now: $1,669.95Was: $1,859.95H&K HK417 Bolt Carrier - Full Auto Genuine factory full auto HK417 bolt carrier. Although designed for the full auto HK417, the carrier is compatible with MR762 receivers. Limited number available. Compatible With: HK417 HK...HKP-22282Now: $1,669.95Was: $1,859.95 -
Out Of StockOn Sale
HK33K, HK53 Locking Piece #3 - 58 Degree - New Old Stock
H&K Heckler & Koch
Now: $1,449.95Was: $1,949.95Heckler and Koch HK53 Locking Piece #3 - 58 Degree - New Old Stock ONLY 2 UNITS AVAILABLE - AS PICTURED Priced for ONE Locking Piece - Condition Varies by Unit - Sold Individually Rare genuine German HK #3 locking piece. This is the correct factory...HKP-99315Now: $1,449.95Was: $1,949.95 -
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
HK MP5F Bolt Group - Complete - BLEMISHED
H&K Heckler & Koch
Now: $1,895.95Was: $4,399.95H&K MP5 F Bolt Group Complete - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. The bolt head, bolt carrier, and all F/A-related parts...HKP-00953-BNow: $1,895.95Was: $4,399.95 -
PTR PDW Bolt Carrier - Semi Auto - 7.62x39 and 7.62x51
PTR
$229.95PTR PDW Semi Auto Carrier - US Made Semi-automatic bolt carrier manufactured by PTR in the United States using HK-pattern specifications. Designed for PTR PDW platforms and counts as one U.S.-made 922r compliant component. Compatible with both 7.62x51mm,...HKP-14140$229.95 -
Out Of Stock
HK PTR-32 Bolt Group - Complete - PDW
HKP HK Parts
$379.95US Made PTR 32 PDW Bolt Group Complete Semi-Auto. Factory correct bolt head and locking piece for use in the PTR 32 chambered in 7.62X39. Brand new May 2015 manufacture. This is the correct bolt for all PTR PDW with 8" barrels.HKP-17387$379.95 -
HK MP5K Bolt Carrier - Full Auto - .40 S&W, 10mm
RCM
$157.95MP5K 40/10 Full Auto Bolt Carrier - Latest Upgraded Version This part is built from billet ordnance steel. This US-made MP5K 40,10 style carrier is made with Tungsten and is heat-treated, providing the finest American-made carrier...HKP-01826$157.95 -
On Sale
HK MP5F Bolt Group - Complete
H&K Heckler & Koch
Now: $2,448.95Was: $2,999.95H&K MP5 F Bolt Group Complete The bolt head, bolt carrier, and all F/A-related parts have been restricted by HK and will become increasingly harder to find. The F in the MP5F designation was added after the French Military asked HK to "beef"...HKP-00953Now: $2,448.95Was: $2,999.95 -
On Sale
HK417, MR762 Bolt Head, Complete - E1
H&K Heckler & Koch
Now: $536.95Was: $595.95Heckler and Koch 417 E1 Bolt Head - Complete Rare factory bolt head for the HK417. Compatible With: HK MR762 HK417HKP-22037Now: $536.95Was: $595.95 -
HK91, G3, PTR Bolt Head - Complete - Used
EBO
$99.95EBO HK G3 & HK 91 & PTR Bolt Head Complete - Used Greek HK Contract Date Coded EBO bolt head is manufactured in Greece by Hellenic Arms Industry, utilizing HK tooling and prints. Since the 1980s, it has proven to be one of the best upgrades for...HKP-21903$99.95 -
HK MP5SD, MP5K Locking Piece - 115 Degree - .40 S&W, 10mm
RCM
$44.95RCM HK MP5 & MP5K 40/10 SD 115 Degree Locking Piece Compatible With: MP5/K 10 MP5/K 40HKP-21525$44.95