Bolt Carrier Groups

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, MKE AP5 Bolt Head - Stripped - GUNSMITH SPECIAL HK MP5, MKE AP5 Bolt Head - Stripped - GUNSMITH SPECIAL
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    HK MP5, MKE AP5 Bolt Head - Stripped - GUNSMITH SPECIAL

    Other

    Now: $69.95
    Was: $149.95
    Turkish Contract HK MP5, MKE AP5 Stripped Bolt Head - GUNSMITH SPECIAL VARYING CONDITION SHOWN - SOLD INDIVIDUALLY Please Note: Will require work before being functional. HKP recommends the work be performed by a professional gunsmith. The Condition will...
    HKP-99372
    Now: $69.95
    Was: $149.95
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    Now: $69.95
    Was: $149.95
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  • On Sale
    HK 416 A5 Bolt Carrier H&K Heckler & Koch HKP-22328 HK 416 A5 Bolt Carrier H&K Heckler & Koch HKP-22328
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    HK416 A5 Bolt Carrier

    H&K Heckler & Koch

    Now: $1,549.95
    Was: $1,997.95
    H&K HK416 A5 Bolt Carrier Factory HK416 A5 full auto bolt carrier.  This carrier is backwards compatible with earlier HK416 A1 and A3 variants. Features the updated captive firing pin retaining system. Compatible With: HK416 A5 HK416 A1 HK416...
    HKP-22328
    Now: $1,549.95
    Was: $1,997.95
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    Now: $1,549.95
    Was: $1,997.95
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  • HK 417/MR762 Bolt Carrier H&K Heckler & Koch HKP-22282 HK 417/MR762 Bolt Carrier H&K Heckler & Koch HKP-22282
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    HK417 Bolt Carrier - Full Auto

    H&K Heckler & Koch

    $1,859.95
    H&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-22282
    $1,859.95
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    $1,859.95
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  • Out Of Stock
    On Sale
    New - H&K HK53 Locking Piece #3 - 58 Degree - New Old Stock - HKP-99315 H&K HK53 Locking Piece #3 - 58 Degree - New Old Stock - USED H&K Heckler & Koch HKP-99315

    HK33K, HK53 Locking Piece #3 - 58 Degree - New Old Stock

    H&K Heckler & Koch

    Now: $1,449.95
    Was: $1,949.95
    H&K 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 locking...
    HKP-99315
    Now: $1,449.95
    Was: $1,949.95
    Out Of Stock
    Qty in Cart: 0
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    Now: $1,449.95
    Was: $1,949.95
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  • On Sale
    New - H&K MP5 40/10 Standard 8mm Roller - BLEMISHED - HKP-00338-B HK MP5 40/10 Standard 8mm Roller - BLEMISHED
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    HK MP5 40/10 Standard 8mm Roller - BLEMISHED

    H&K Heckler & Koch

    Now: $12.95
    Was: $20.95
    H&K MP5 40/10 Standard 8mm Roller - BLEMISHED MEASURED 8.00mm ROLLER MARKED INCORRECTLY. PACKAGING MAY NOT REFLECT PRODUCT. CONDTION MAY VARY. COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL...
    HKP-00338-B
    Now: $12.95
    Was: $20.95
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    Now: $12.95
    Was: $20.95
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  • On Sale
    New - H&K MP5 F Bolt Group Complete - BLEMISHED - HKP-00953-B HK MP5F Bolt Group - Complete - BLEMISHED
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    HK MP5F Bolt Group - Complete - BLEMISHED

    H&K Heckler & Koch

    Now: $1,895.95
    Was: $4,399.95
    H&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-B
    Now: $1,895.95
    Was: $4,399.95
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    Now: $1,895.95
    Was: $4,399.95
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  • Out Of Stock
    New - HKP PTR-32 (7.62x39) Complete Bolt Group - PDW - HKP-17387 HK PTR-32 Bolt Group - Complete - PDW

    HK PTR-32 Bolt Group - Complete - PDW

    HKP HK Parts

    $379.95
    US 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
    Out Of Stock
    Qty in Cart: 0
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    $379.95
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  • New - RCM MP5K 40/10 Full Auto Bolt Carrier - HKP-01826 HK MP5K Bolt Carrier - Full Auto - 10mm / .40 S&W
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    HK MP5K Bolt Carrier - Full Auto - 10mm / .40 S&W

    RCM

    $157.95
    MP5K 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
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    $157.95
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  • New - H&K MP5 F Bolt Group Complete - HKP-00953
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    HK MP5F Bolt Group - Complete

    H&K Heckler & Koch

    $2,999.95
    H&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-00953
    $2,999.95
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    $2,999.95
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  • On Sale
    HK UMP, USC Bolt Carrier - Semi Auto - .45 ACP - BLEMISHED
HK UMP, USC Bolt Carrier - Semi Auto - .45 ACP - BLEMISHED
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    HK UMP, USC Bolt Carrier - Semi Auto - .45 ACP - BLEMISHED

    USA

    Now: $239.95
    Was: $399.95
    USA HK UMP/USC .45 Semi Auto Bolt Carrier - Complete - BLEMISHED ONLY 1 UNIT AVAILABLE - AS PICTURED CRACK ON REAR TAB COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE...
    HKP-18588-B
    Now: $239.95
    Was: $399.95
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    Now: $239.95
    Was: $399.95
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  • New - H&K 417 E1 Bolt Head - Complete - HKP-22037 HK417, MR762 Bolt Head - Complete - E1
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    HK417, MR762 Bolt Head - Complete - E1

    H&K Heckler & Koch

    $595.95
    Heckler and Koch 417 E1 Bolt Head - Complete Rare factory bolt head for the HK417. Compatible With: HK MR762 HK417
    HKP-22037
    $595.95
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    $595.95
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  • Used - EBO HK G3, 91, PTR Bolt Head Complete - Used - HKP-21903 HK91, G3, PTR Bolt Head - Complete - Used
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    HK91, G3, PTR Bolt Head - Complete - Used

    EBO

    $99.95
    EBO 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
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    $99.95
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