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 USP/45/45C Old Style Bobbed Hammer - HKP-14552
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    HK45, HK45 Compact, USP Old Style Bobbed Hammer

    H&K Heckler & Koch

    $64.95
    HK USP & USPC Bobbed Hammer - Older Style (without the cutout) This part is compatible with older USP full-size & USPC firearms that have the old-style hammer already. Perfect for those who prefer the shorter, lower profile "bobbed" hammer. This...
    HKP-14552
    $64.95
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  • New - H&K HK G36 Left Side Safety Lever - HKP-01875
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    HK G36 Left Side Safety Lever

    H&K Heckler & Koch

    $24.95
    HK G36 Left Side Safety Selector Lever
    HKP-01875
    $24.95
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    $24.95
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  • New - H&K G36 (5.56/.223) 2 Round Burst Disconnector Axle - HKP-16350
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    HK G36 Disconnector Axle - 2 Round Burst

    H&K Heckler & Koch

    $10.95
    H&K G36 (5.56/.223) 2 Round Burst Disconnector Axle
    HKP-16350
    $10.95
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  • New - HK German Hand Stop Screw - HKP-16736
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    HK Ump, USC Handstop Screw - Cylindrical

    H&K Heckler & Koch

    $9.95
    HK German Hand Stop Screw     #21 Cylindrical screw, handstop 5 x 16 mm 219414
    HKP-16736
    $9.95
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  • New - HKP HK 21 (7.62x51/.308) Feed Mechanism Latch Lever - HKP-00235 HK21 Feed Mechanism Latch Lever
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    HK21 Feed Mechanism Latch Lever

    Michaels Machines

    $69.95
    HKP HK21 Feed Mechanism Latch Lever - 7.62x51 / .308 Replacement feed mechanism latch lever for HK21 belt-fed platforms chambered in 7.62x51 and .308. Designed to interface with the feed assembly and support proper operation of the HK21 system...
    HKP-00235
    $69.95
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    New - H&K 21E/23E (7.62x51/.308) & (5.56/.223) Barrel Handle - HKP-00243 H&K 21E/23E (7.62x51/.308) & (5.56/.223) Barrel Handle || HKP-00243 || HKPARTS

    HK21E, HK23E Barrel Handle - 7.62x51 / .308, 5.56 / .223

    H&K Heckler & Koch

    $79.95
    HK German Factory HK21E/23E & HK11E/13E Barrel Handle - New Factory German fiberglass/polymer extended E barrel handle. This is also considered an upgrade for older style HK21 barrel handles Compatible With: HK23E HK21E HK11E HK13E MM23E, 21E,...
    HKP-00243
    $79.95
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  • Out Of Stock
    New - H&K 21E/PSG1/MSG90 (7.62x51/.308) & (5.56/.223) Factory Extractor - HKP-00250 HK21, PSG1, MSG90 Extractor - Factory - 7.62x51 / .308, 5.56 / .223

    HK21, PSG1, MSG90 Extractor - Factory - 7.62x51 / .308, 5.56 / .223

    H&K Heckler & Koch

    $129.95
    HK21E, 11E, PSG1, MSG90 Factory German HK Extractor
    HKP-00250
    $129.95
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    $129.95
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  • New - H&K CC9 Disassembly Safety Lever - HKP-22120
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    HK CC9 Disassembly Safety Lever

    H&K Heckler & Koch

    $5.95
    H&K CC9 Disassembly Safety Lever The CC9 disassembly safety lever prevents accidental discharge during disassembly by blocking the trigger mechanism. Compatible With: HK CC9    
    HKP-22120
    $5.95
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  • Out Of Stock
    New - KNS Precision HK Push Button Take Down Pin - Small - HKP-21389 HK MP5, HK33, HK91 Take Down Pin - Push Button - Small

    HK MP5, HK33, HK91 Take Down Pin - Push Button - Small

    KNS Precision

    $24.99
    KNS Precision HK Push Button Take Down Pin - Small .234" This 6mm (.234") diameter take-down pin has a spring-loaded push button. When the button is depressed, the stainless steel keeper detents retract for easy pin removal. The pin is designed to...
    HKP-21389
    $24.99
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  • Used - H&K HK SL8-1 Incomplete Locking Lever - HKP-16367 HK SL8-1 Locking Lever Housing - Incomplete
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    HK SL8-1 Locking Lever Housing - Incomplete

    H&K Heckler & Koch

    $9.95
    H&K HK SL8-1 Incomplete Locking Lever
    HKP-16367
    $9.95
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  • New - H&K HK MR762 Drop Safety Catch Pin - HKP-16617
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    HK MR762 Drop Safety Catch Pin

    H&K Heckler & Koch

    $4.95
    H&K HK MR762 Drop Safety Catch Pin   Compatible With: HK MR762
    HKP-16617
    $4.95
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  • New - H&K HK P7M8/P7M10/P7M13 Rear Sight Screw - HKP-01397
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    HK P7M8, P7M10, P7M13 Rear Sight Screw

    H&K Heckler & Koch

    $9.95
    Rear Sight Screw Compatible With: P7M8 P7M10 P7M13
    HKP-01397
    $9.95
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