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 - Choate MP5 Replacement Buffer For Folding Stock Or End Cap - HKP-00116
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    HK MP5 Replacement Buffer For Folding Stock Or End Cap

    Choate

    $3.95
    Choate MP5 Replacement Buffer For Folding Stock Or End Cap   Compatible With: Choate MP5 and MP5K Stocks or End Caps (NOT compatible with MP5 .22 LR)
    HKP-00116
    $3.95
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  • New - HKP Roller +1 - New - 8.01mm - HKP-19424 HKP Roller +1 - New - 8.01mm
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    HKP Roller +1 - New - 8.01mm

    H&K Heckler & Koch

    $8.99
    Roller +1 - New - 8.01mm HK Parts Standard (8.01 mm) locking roller, The proper roller size is essential for proper bolt gap. US Manufacture. Please Note: The price listed is per roller. Order 2 (pair) for a complete set for the bolt head. An easy way to...
    HKP-19424
    $8.99
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  • New - H&K HK P Series LEM Elbow Spring - HKP-02498
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    HK P Series LEM Elbow Spring

    H&K Heckler & Koch

    $6.95
    HK P Series LEM Elbow Spring Compatible With All LEM Models Below: HK P30 HK P30L HK P30SK HK P2000 HK P2000SK
    HKP-02498
    $6.95
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  • New - HKP HK VP9, HK VP40 Enhanced Magazine Release - HKP-21099-M HKP HK VP9, HK VP40 Enhanced Magazine Release || HKP-21099-M || HKPARTS
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    HK VP9, VP40 Magazine Release - Enhanced

    HKP HK Parts

    $49.95
    Enhanced Magazine Release  - Alloy - HK VP Series The oversized magazine release increases the overall surface area and makes it possible to release the magazine without changing the position of your grip. Made in the USA from 6061 billeted aluminum...
    HKP-21099-M
    $49.95
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  • New - Magpul M-LOK 5 Slot Rail Section - HKP-19568 M-LOK Rail Section - 5 Slot
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    M-LOK Rail Section - 5 Slot

    Magpul

    $18.95
    Magpul M-LOK 5 Slot Rail Section Designed for use with all M-LOK compatible Hand Guards and Forends, M-LOK Aluminum Rail Sections allow the attachment of various 1913 Picatinny spec rail-mounted accessories such as lights, vertical grips, etc. Machined...
    HKP-19568
    $18.95
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  • New - H&K HK VP9/VP9SK, HK VP40 Spring Pin, Dowel Pin For Locking Block - HKP-16790
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    HK VP9, VP9SK, HK VP40 Locking Block Pin

    H&K Heckler & Koch

    $10.95
    H&K HK VP9/VP9SK, HK VP40 Spring Pin, Dowel Pin For Locking Block HK German manufacture. A special spring pin that has an internal spring for support. A must have item as this roll pin can become damaged with install and removal. Compatible...
    HKP-16790
    $10.95
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  • New - H&K Roller Type Trip Lever - HKP-02466 HK Roller Type Trip Lever
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    HK Roller Type Trip Lever

    H&K Heckler & Koch

    $29.95
    H&K Roller Type Trip Lever This is a genuine German Heckler & Koch part. This is the newer style trip lever for use with a roller sear catch, not the older friction type. Please Note: May or may not be marked with the X or XX...
    HKP-02466
    $29.95
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  • New - H&K HK USP/Mark 23 Recoil Assemblies Snap Ring - HKP-01258
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    HK USP, Mark 23 Recoil Assemblies Snap Ring

    H&K Heckler & Koch

    $5.95
    H&K HK USP/Mark 23 Recoil Assemblies Snap Ring The snap ring secures the spring onto the recoil buffer spring assembly. This part can come loose and become lost or easily worn. Once you remove them, HK suggests replacing them with a new snap ring...
    HKP-01258
    $5.95
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  • New - H&K Flash Hider Retaining Ring - HKP-16451
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    HK91, G3, HK33 Flash Hider Retaining Ring

    H&K Heckler & Koch

    $1.49
    HK Flash Hider Retaining Ring Brand new HK German manufacture.  HK flash hider, muzzle break retaining ring.  This item is the ring that fits inside the flash hider that indexes with the splines of the HK barrel to provide a positive lockup of...
    HKP-16451
    $1.49
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  • New - H&K HK USP/45/P30/P2000 12LB Stock Hammer Spring - HKP-01284
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    HK45, USP, P30, P2000 Hammer Spring - 12LB Stock

    H&K Heckler & Koch

    $5.95
    12LB Stock Hammer Spring This is the spring used in some custom trigger jobs, along with other trigger return and firing pin block springs. This spring can be used on the P30 along with the light trigger return spring and light firing pin block...
    HKP-01284
    $5.95
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  • New - H&K HK P30 Series Left Slide Release Shorty - Black - HKP-02486 HK P30 Series Left Slide Release Shorty
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    HK P30 Series Left Slide Release Shorty

    H&K Heckler & Koch

    $64.95
    HK P30 Series Left Slide Release Shorty This is the left side of the frame shorter slide release lever for the HK P30, P30L & P30SK version models. This shorter slide release lever is also the standard lever found on the P30S & P30SK models...
    HKP-02486
    $64.95
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  • New - H&K HK MR556/MR762/416 Buffer Retainer Pin - HKP-12704
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    HK416, MR556, MR762 Buffer Retainer Pin

    H&K Heckler & Koch

    $3.95
    Heckler and Koch HK416, HK MR556, HK MR762 Buffer Retainer Pin Compatible With: HK416, MR556 HK MR762
    HKP-12704
    $3.95
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