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 - 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 Enhanced Magazine Release

    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 - H&K HK USP/45/P30/P2000 12LB Stock Hammer Spring - HKP-01284
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    HK45, USP, P30, P2000 Stock Hammer Spring - 12LB

    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 91/G3 (7.62x51/.308) Cocking Handle Support - HKP-01442 HK91, G3 Cocking Handle Support
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    HK91, G3 Cocking Handle Support

    H&K Heckler & Koch

    $24.95
    New HK German 91, G3, & PTR Cocking Handle Support A genuine German Heckler & Koch all-steel part. Compatible With: HK91 HK G3 PTR-91 PTR-32 HK .308 Custom builds & clones
    HKP-01442
    $24.95
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  • New - HKP HK 21 (7.62x51/.308) Extended Style Cocking Handle - HKP-00363 HK21 Cocking Handle - Extended Style
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    HK21 Cocking Handle - Extended Style

    HKP HK Parts

    $69.95
    HK Extended Cocking Handle - HK21 Rubberized extended cocking handles for the older style HK21 firearms. This extended cocking handle makes a HUGE difference when trying to charge the HK21 firearm, as it has increased spring pressure and can be a pain to...
    HKP-00363
    $69.95
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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 - 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 MP5 & MP5K 9mm Anti-Rattle Roller Tipped Paddle Magazine Release - HKP-17570 HK MP5, MP5K 9mm Anti-Rattle Roller Tipped Paddle Magazine Release

    HK MP5, MP5K 9mm Anti-Rattle Roller Tipped Paddle Magazine Release

    HKP HK Parts

    $29.47
    HK MP5, MP5K 9mm Anti-Rattle Roller Tipped Paddle Magazine Release Latest generation paddle mag release for all 9mm MP5, MP5K style builds. Made to the latest German specs, materials, and design.  Compatible With: MP5, 94 MP5K, SP89, SP5K Other...
    HKP-17570
    $29.47
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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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  • Out Of Stock
    New - H&K USP/P30/HK45 New Style Firing Pin Block - HKP-01285 HK P30, HK45, USP Firing Pin Block - New Style

    HK P30, HK45, USP Firing Pin Block - New Style

    H&K Heckler & Koch

    $16.95
    H&K USP/P30/HK45 New Style Firing Pin Block A factory Heckler and Koch part. Compatible With: HK USP 45, 40 & 9mm HK USP Tactical, Elite, Expert HK USP Compact 9mm, .40 & .45 HK USPC Tactical 9mm, .40 & .45 HK P30, P30L, P30S &...
    HKP-01285
    $16.95
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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 VP9/VP9SK, HK VP40 Clamping Sleeve For Drop Safety Axle - HKP-16838
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    HK VP9, VP9SK, VP40 Clamping Sleeve For Drop Safety Axle

    H&K Heckler & Koch

    $6.95
    Clamping Sleeve For Drop Safety Axle VP9, VP9SK & VP40 This is the roll pin that goes in the side of the slide and retains the drop safety.
    HKP-16838
    $6.95
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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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