MP5K / SP5K Small Parts

MP5K / SP5K Small Parts

Ensure smooth operation with high-quality MP5K small parts and SP5K replacement pins from HKP. Our HK Parts collection includes essential springs, pins, and other small components to keep your firearm running at its best. Trust HKP for reliable replacement parts.

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  • New - HK MP5K .40 S&W 3-Lug Barrel Thread Protector - Threaded 9/16x24 - HKP-02318 HK MP5K Thread Protector  - .40 S&W - 3-Lug - Threaded 9/16x24
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    HK MP5K Thread Protector - .40 S&W - 3-Lug - Threaded 9/16x24

    HKP HK Parts

    $299.95
    HK MP5K .40 S&W 3-Lug Barrel Thread Protector - Threaded 9/16x24 This is 3-lugged Barrel with a 9/16x24 thread protector. It is rare hard to find, there are only a few available. Specifications: 3-Lugged Barrel Includes Thread Protector...
    $299.95
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    $299.95
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  • On Sale
    New - HKP Incomplete Ambidextrous Selector Axle - Gunsmith Special - HKP-99135 HK Incomplete Ambidextrous Selector Axle - Gunsmith Special
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    HK Incomplete Ambidextrous Selector Axle - Gunsmith Special

    HKP HK Parts

    Now: $7.46
    Was: $14.95
    HKP Incomplete Ambidextrous Selector Axle - Gunsmith Special U.S.-made selector lever. Incomplete part for ambidextrous setups. Please Note: Will require work before being functional. HKP recommends the work be performed by a professional gunsmith...
    Now: $7.46
    Was: $14.95
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  • On Sale
    HK End Cap - Cocking Tube - Aluminum - Red - BLEMISHED HKP HK Parts HKP-02806-RE-B HK End Cap - Cocking Tube - Aluminum - Red - BLEMISHED HKP HK Parts HKP-02806-RE-B
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    HK End Cap - Cocking Tube - Aluminum - Red - BLEMISHED

    HKP HK Parts

    Now: $7.28
    Was: $14.95
    HK End Cap - Cocking Tube - Aluminum - Red - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Made from weight-saving aircraft-grade aluminum alloy...
    Now: $7.28
    Was: $14.95
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    Now: $7.28
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  • On Sale
    HK MP5,  MP5K,  AP5 Replacement Kit - Firing Pin and Spring HK MP5,  MP5K,  AP5 Replacement Kit - Firing Pin and Spring
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    HK MP5, MP5K, AP5 Replacement Kit - Firing Pin and Spring

    MKE

    Now: $16.95
    Was: $19.95
    MKE HK MP5, MP5K, AP5 Steel Firing Pin and Spring Replacement Kit Replacement steel firing pin and spring kit for HK MP5 platforms. Direct-fit parts for repairing or replacing worn firing components in MP5-style bolt assemblies. Includes: Firing...
    Now: $16.95
    Was: $19.95
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    Now: $16.95
    Was: $19.95
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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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    MKE -4 Roller for Bolt Head 7.96mm - Under-sized

    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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    Now: $22.95
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  • Out Of Stock
    New - Ambidextrous Sling Pin For Forearm - Small - HKP-02684

    Ambidextrous Sling Pin For Forearm - Small

    HKP HK Parts

    $24.95
    Ambidextrous Eyebolt Sling Pin - Small The ambi pin allows the user to replace the handgaurd push pin to attach a sling hook or attachment point to the sling pin loop area. This pin provides a sling attachment point with for either the left or right side...
    $24.95
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    $24.95
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