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
    New - MKE -4 Roller for Bolt Head 7.96mm - Under-sized - HKP-22238 MKE -4 Roller for Bolt Head 7.96mm - Under-sized MKE HKP-22238
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    HK 90 Series Locking Roller for Bolt Head - 7.96mm

    MKE

    Now: $22.95
    Was: $28.95
    MKE -4 Roller for Bolt Head 7.96mm - Under-sized The proper roller size is essential for proper head spacing and bolt gap. Made in Turkey by MKE on HK tooling.  Please Note: The price listed is per roller. Order 2 (pair) for a complete set for the...
    Now: $22.95
    Was: $28.95
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    Was: $28.95
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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: $9.71
    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...
    Now: $9.71
    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: $1,421.96
    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...
    Now: $1,421.96
    Was: $4,399.95
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    Now: $1,421.96
    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.
    $379.95
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  • New - RCM MP5K 40/10 Full Auto Bolt Carrier - HKP-01826 HK MP5K Bolt Carrier - Full Auto - 10mm and .40 S&W
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    HK MP5K Bolt Carrier - Full Auto - 10mm and .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...
    $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"...
    $2,999.95
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    $2,999.95
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  • Out Of Stock
    On Sale
    HK G36/SL8 (5.56/.223) Bolt Catch - BLEMISHED H&K Heckler & Koch HKP-02472-B HK G36/SL8 (5.56/.223) Bolt Catch - BLEMISHED H&K Heckler & Koch HKP-02472-B

    HK G36, SL8 Bolt Catch - BLEMISHED

    H&K Heckler & Koch

    Now: $14.03
    Was: $24.95
    HK G36/SL8 (5.56/.223) Bolt Catch - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. On AR-15 systems this part would be similar to a cam pin. Compatible...
    Now: $14.03
    Was: $24.95
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  • 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
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    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...
    Now: $1,449.95
    Was: $1,949.95
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    Now: $1,449.95
    Was: $1,949.95
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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
    $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...
    $99.95
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    $99.95
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  • On Sale
    New - H&K MP5 9mm Complete IB Date Coded Bolt Carrier Group - Refinished - HKP-99025 HK MP5 Bolt Carrier Group - Complete - 9mm - IB Date Coded - Refinished
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    HK MP5 Bolt Carrier Group - Complete - 9mm - IB Date Coded - Refinished

    H&K Heckler & Koch

    Now: $937.46
    Was: $2,629.95
    Heckler and Koch MP5 9mm Complete Bolt Carrier Group - Refinished This refinished complete bolt carrier group is the perfect spare or replacement for you HK MP5. Offering reliable performance and durability, it ensures your MP5 stays in top working...
    Now: $937.46
    Was: $2,629.95
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    Now: $937.46
    Was: $2,629.95
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  • New - RCM HK MP5 & MP5K 40/10 SD 115 Degree Locking Piece - HKP-21525 HK MP5, MP5K 40/10 SD 115 Degree Locking Piece
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    HK MP5, MP5K 40/10 SD 115 Degree Locking Piece

    RCM

    $44.95
    RCM HK MP5 & MP5K 40/10 SD 115 Degree Locking Piece Compatible With:  MP5/K 10  MP5/K 40 
    $44.95
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    $44.95
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