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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  • HK MP5 Bolt Carrier - 9mm - Red HK MP5 Bolt Carrier - 9mm - Red
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    HK MP5 Bolt Carrier - 9mm - Red

    HKP HK Parts

    $189.95
    Bolt Carrier F/A - 9mm - HK Red - MP5 Machined completely from billet ordnance steel. This carrier is made to the latest specs and is Tungsten filled, and heat-treated providing the finest American made carrier available.  This carrier has been...
    $189.95
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    $189.95
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  • On Sale
    New - H&K G36/SL8 (5.56/.223) Bolt Group Fork - HKP-01859
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    G36, SL8 Bolt Group Fork

    H&K Heckler & Koch

    Now: $11.65
    Was: $12.95
    HK G36 & SL8 Bolt Group Fork For Cocking Handle  
    Now: $11.65
    Was: $12.95
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    New - GSG9 HK416, MR556 Firing Pin - HKP-20650 HK416, MR556 Firing Pin - Silver

    HK416, MR556 Firing Pin - Silver

    GSG9

    Now: $31.46
    Was: $34.95
    Firing Pin for HK 416 & MR556 Firearm - USA - GSG9 US made HK 416 & MR556 Made from hardened stainless steel. Compatible With: HK416 HK MR556 HK CR556 HK M27
    Now: $31.46
    Was: $34.95
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    Was: $34.95
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  • On Sale
    New - HK G36/SL8 Complete Recoil Rod Assembly - HKP-18539
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    HK G36/SL8 Complete Recoil Rod Assembly

    USA

    Now: $35.96
    Was: $39.95
    Recoil Rod Assembly For All - HK G36 & SL8 New G36/SL8 recoil rod assembly complete. Great for replacement or for a spare as these have been hard to find. Made in the USA. Compatible With: G36 SL8
    Now: $35.96
    Was: $39.95
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  • On Sale
    New - H&K 21E/23E/11E (7.62x51/.308) & (5.56/.223) #9 Locking Piece - 40 Degree - HKP-00548 HK21E, HK23E, 11E Locking Piece #9 - 40 Degree
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    HK21E, HK23E, 11E Locking Piece #9 - 40 Degree

    H&K Heckler & Koch

    Now: $134.95
    Was: $149.95
    New HK German #9 Locking Piece The number 9 locking piece is 40 degrees. This will work with both .223 & .308 firearms and for custom builds and applications. This item is no longer available from HK and is out of production. Compatible With:...
    Now: $134.95
    Was: $149.95
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    Now: $134.95
    Was: $149.95
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  • Out Of Stock
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    New - H&K HK MR556/416 Ejector Spring - HKP-02538

    HK416, MR556 Ejector Spring

    H&K Heckler & Koch

    Now: $35.99
    Was: $39.99
    HK 416 & MR556 Ejector Spring Compatible With: MR556 HK 416
    Now: $35.99
    Was: $39.99
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    Was: $39.99
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  • On Sale
    New - HKP HK MP5 (.40 S&W) Locking Roller -6 - HKP-17566
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    HKP HK MP5 (.40 S&W) Locking Roller -6

    HKP HK Parts

    Now: $9.56
    Was: $11.95
    HK US MP540 Undersized Locking Roller, -6 The proper roller size is essential for headspacing the bolt gap correctly. Please Note: The price listed is per roller. Order 2 (pair) for a complete set for the bolt head. An easy way to remember the size you...
    Now: $9.56
    Was: $11.95
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  • Out Of Stock
    Used - FMP HK 91/G3 (7.62x51/.308) Complete Bolt Head - HK Contract FMP - Used - HKP-17628 HK91, G3 Complete Bolt Head - HK Contract FMP - Used

    HK91, G3 Complete Bolt Head - HK Contract FMP - Used

    H&K Heckler & Koch

    $59.95
    HK CONTRACT FMP - HK G3 & HK 91 & PTR Bolt Head Complete Made on HK tooling & prints in Portugal in the 1980's. Each used bolt head is complete with all parts installed & 100% functional. Removed from de-milled FMP HK G3 rifles. Each bolt...
    $59.95
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    $59.95
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  • On Sale
    New - PTR HK 93/53/33 # 7 Locking Piece 55 Degree - hkp-18470 HK33, HK53, HK93 # 7 Locking Piece 55 Degree
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    HK33, HK53, HK93 # 7 Locking Piece 55 Degree

    PTR

    Now: $44.96
    Was: $49.95
    PTR HK 93/53/33 # 7 Locking Piece 55 Degree New US Made 55 Degree #7 Locking Piece For the HK 93, 33, C93 & V93 Rifles. Made in the USA from ordnance grade steel, heat treated and made to last. A perfect upgrade for your well used or questionable...
    Now: $44.96
    Was: $49.95
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    Was: $49.95
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  • On Sale
    New - H&K G36/SL8 (5.56/.223) Extractor Axle - HKP-01895
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    H&K G36/SL8 (5.56/.223) Extractor Axle

    H&K Heckler & Koch

    Now: $8.96
    Was: $9.95
    HK G36 & SL8 Extractor Axle This part can become heavily worn and is prone to breakage. Compatible With: HK G36 models HK SL8 models
    Now: $8.96
    Was: $9.95
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  • Out Of Stock
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    New - H&K MP5 40/10 +2 Roller - HKP-00334 HK MP5 40/10 +2 Roller

    HK MP5 40/10 +2 Roller

    H&K Heckler & Koch

    Now: $17.99
    Was: $19.99
    MP5 40,10 +2 Roller New HK German MP5 40/10 +2 roller. Hard to find and essential for making headspace adjustments when necessary. Great spare to have on hand and no longer in production.  Please Note: The price listed is per roller. Order 2 (pair)...
    Now: $17.99
    Was: $19.99
    Out Of Stock
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    Was: $19.99
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  • On Sale
    New - H&K MP5 40/10 High Impulse Locking Piece #25 - HKP-00437
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    HK MP5 40/10 High Impulse Locking Piece #25

    H&K Heckler & Koch

    Now: $206.95
    Was: $229.95
    New HK German MP5 40 or MP5 10mm High Impulse Locking Piece Marked #25 This is the 60-degree locking piece that is used for high-impulse ammo, commonly found in +P or +P+ ammo. This locking piece is needed to cycle these hot loads without excessive...
    Now: $206.95
    Was: $229.95
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    Was: $229.95
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