Small Parts

Small Parts

Explore our extensive selection of HK small parts at HKParts, perfect for repairs, upgrades, and custom builds. Our inventory includes high-quality, precision-machined replacement parts and maintenance kits designed for a wide range of HK models. Whether you need push pins, springs, or custom components, our HK-specific small parts ensure optimal performance and durability for your firearm.

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  • New - H&K HK P30/P2000 Trigger Bar Detent Spring - HKP-01799
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    HK P30, P2000 Trigger Bar Detent Spring

    H&K Heckler & Koch

    $5.95
    HK P30 & P2000 Trigger Bar Detent Spring Compatible With These Models In 9mm, .40 S&W, & .357 SIG: HK P30 HK P30L HK P30SK HK P2000 HK P2000SK
    HKP-01799
    $5.95
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  • New - HKP MP5 F & MP5 40,10 Recoil Rod Assembly - HKP-17833 HK MP5, MP5F Recoil Rod Assembly
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    HK MP5, MP5F Recoil Rod Assembly

    HKP HK Parts

    $49.95
    MP5 F, MP5 40/10 Recoil Spring Rod Assembly Complete - Extra Power This is the correct MP5F or MP5 40/10 Recoil Rod assembly with the proper parts and size. Most commonly used for MP5's that are using +P or +P+ ammunition or any high impulse 9mm. Or for...
    HKP-17833
    $49.95
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  • New - H&K HK 416/417/MR556/MR762 Catch Retainer Spring - Magazine - HKP-16618
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    HK416, MR556, HK417, MR762 Clamping Sleeve

    H&K Heckler & Koch

    $5.95
    H&K HK 416/417/MR556/MR762 Clamping Sleeve Compatible With: HK416 HK417 MR556 MR762
    HKP-16618
    $5.95
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  • New - H&K UMP/USC (.40 S&W/.45 ACP/9mm) Complete Firing Pin Assembly - HKP-00609
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    HK UMP, USC Firing Pin Assembly - Complete

    H&K Heckler & Koch

    $82.95
    HK German USC & UMP Firing Pin Assembly Complete A great spare to have on hand as this item is a hard-to-find replacement part. Compatible With: USC 45 UMP 45 UMP 40 UMP 9mm ALL USC Conversions ALL UMP MG's
    HKP-00609
    $82.95
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  • New - H&K 90 Series Burst Trigger Pack Compression Rod - HKP-01047
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    HK90 Series Compression Rod for Burst Trigger Packs

    H&K Heckler & Koch

    $29.95
    H&K 90 Series Burst Trigger Pack Compression Rod This is an HK German factory part that is found in all HK burst trigger packs. This part, along with the compression rod spring, is the number one most common wear or breakage parts in burst packs...
    HKP-01047
    $29.95
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  • New - H&K HK USP 9mm / .40 S&W High Capacity Magazine Locking Plate - HKP-02165 HK USP Magazine Locking Plate - 9mm / .40 S&W - High Capacity
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    HK USP Magazine Locking Plate - 9mm / .40 S&W - High Capacity

    H&K Heckler & Koch

    $6.95
    HK USP 9mm / .40 S&W High Capacity Magazine Locking Plate Compatible With: HK USP 9mm HK USP .40
    HKP-02165
    $6.95
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  • New - H&K HK VP9/VP9SK, HK VP40 Trigger Bar - HKP-16780 HK VP9, VP9SK, VP40 Trigger Bar
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    HK VP9, VP9SK, VP40 Trigger Bar

    H&K Heckler & Koch

    $55.95
    H&K HK VP9/VP9SK, HK VP40 Trigger Bar   Compatible With: HK VP9 HK VP9SK HK VP40
    HKP-16780
    $55.95
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  • New - H&K HK MR556/416 Ejector Port Cover Pin - HKP-02661
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    HK416, MR556 Ejector Port Cover Pin

    H&K Heckler & Koch

    $19.95
    Heckler and Koch HK416 and HK MR556 Ejector Port Cover Pin Compatible With: HK416, MR556
    HKP-02661
    $19.95
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  • New - HKP HK MP5/MP5K Extractor - Enhanced Coated Polish - HKP-22181-M HK MP5, MP5K Extractor - Coated and Polished
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    HK MP5, MP5K Extractor - Coated and Polished

    HKP HK Parts

    $44.95
    HKP HK MP5/MP5K Extractor - Enhanced - Coated and Polished  Built for dependable performance, this coated and polished extractor delivers smooth cycling and consistent extraction. A great choice for both upgrades and routine replacements. Available...
    HKP-22181-M
    $44.95
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  • New - HKP HK VP9/VP9SK, HK VP40 Axle For Trigger Safety Latch - HKP-16778
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    HK VP9, VP9SK, VP40 Trigger Safety Latch Axle

    HKP HK Parts

    $3.95
    Axle For Trigger Safety Latch VP9, VP9SK & VP40 HK German factory part. This pin is the axle pin for the safety latch in the VP trigger. Compatible With: HK VP9 HK VP9 Tactical HK VP40 HK VP40 Tactical HK VP9SK
    HKP-16778
    $3.95
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  • Out Of Stock
    New - H&K HK VP9 Rubber Extractor Plug - HKP-01849

    HK VP9 Rubber Extractor Plug

    H&K Heckler & Koch

    $4.95
    HK VP9 Rubber Extractor Plug This part is the rubber buffer found on the inside of the extractor spring to help keep positive tension on the extractor. It's a must-have repair and replacement item.
    HKP-01849
    $4.95
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  • Out Of Stock
    New - HKP Semi Auto Shelf, Hanger Block For Receiver - HKP-17572 HK Semi Auto Shelf, Hanger Block For Receiver

    HK Semi Auto Shelf, Hanger Block For Receiver

    HKP HK Parts

    $13.95
    HK Semi Auto Shelf Weldment, Hanger Block Weldment HK Semi Auto Shelf, Hanger Block to HK's factory specifications for c/p trigger housings. Weld on shelf that is the needed receiver block that welds to the rearward portion of the magwell to allow the...
    HKP-17572
    $13.95
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    $13.95
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