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 Mark 23 Hammer Spring - HKP-01587
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    HK Mark 23 Hammer Spring

    H&K Heckler & Koch

    $10.95
    HK Mark 23 Hammer Spring
    HKP-01587
    $10.95
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  • New - HK P Series Hammer Axle - HKP-01797 HK P Series Hammer Axle
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    HK P Series Hammer Axle

    H&K Heckler & Koch

    $51.95
    HK P Series Hammer Axle Compatible With These Models In 9mm, .40 S&W, & .357 SIG: HK P2000 HK P2000SK HK P30 HK P30L HK P30SK
    HKP-01797
    $51.95
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    $51.95
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  • New - H&K HK USPC Lanyard Loop Insert Pin - HKP-01253
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    HK USP Compact Lanyard Loop Insert Pin

    H&K Heckler & Koch

    $19.95
    H&K HK USPC Lanyard Loop Insert Pin Compatible With: HK USP Compact 9mm HK USP Compact .40 HK USP Compact .357 HK USP Compact .45 HK USP Compact Tactical
    HKP-01253
    $19.95
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  • New - HKP HK G36/SL8 (5.56/.223) Cocking Handle - HKP-18251 HK G36, SL8 Cocking Handle
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    HK G36, SL8 Cocking Handle

    HKP HK Parts

    $49.95
    Cocking Handle For G36 & SL8 Bolt Carriers - USA New USA made charging handle ideal for a 922 replacement part. Made in the USA.
    HKP-18251
    $49.95
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  • New - H&K 23E/13E/G43 (7.62x51/.308) & (5.56/.223) Extractor - HKP-00818 HK23E, HK13E, G43 Extractor - 7.62x51 / .308, 5.56 / .223
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    HK23E, HK13E, G43 Extractor - 7.62x51 / .308, 5.56 / .223

    H&K Heckler & Koch

    $119.95
    HK23E & HK13E Extractor New HK German and no longer in production. Compatible With: MM 23E HK 13E
    HKP-00818
    $119.95
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  • Out Of Stock
    New - Strike Industries M-LOK & Key Mod Universal Rail - 7 Slots - HKP-17594 MLOK LINK Rail Section - 7 Slots - QD

    MLOK LINK Rail Section - 7 Slots - QD

    Strike Industries

    $25.95
    Strike Industries M-LOK & Key Mod Universal Rail - 7 Slots Strike Industries LINK attachment system takes the age old question Key-Mod vs. M-LOK and came up with the ultimate solution, a dual interface design compatible with both M-LOK and Key-Mod,...
    HKP-17594
    $25.95
    Out Of Stock
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    $25.95
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  • New - H&K HK P7M10/P7M13 Slide Removal Button, Retaining Catch - HKP-15432 HK P7M10, P7M13 Slide Removal Button, Retaining Catch
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    HK P7M10, P7M13 Slide Removal Button, Retaining Catch

    H&K Heckler & Koch

    $29.95
    H&K HK P7M10/P7M13 Slide Removal Button, Retaining Catch Brand new HK German manufacture. No longer in production. These are the last units that HK made. Last call!
    HKP-15432
    $29.95
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  • New - H&K HK 45/P30SK Lockout Compression Spring - HKP-02272
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    HK45, P30SK Safety Lever Compression Spring

    H&K Heckler & Koch

    $6.95
    HK 45 & P30SK Lockout Compression Spring   Compatible With: HK45 HK45 Compact HK P30SK
    HKP-02272
    $6.95
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    $6.95
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  • New - H&K 10 Round HK USP/Mark 23 .45 ACP Magazine Locking Plate - HKP-01591
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    HK USP, Mark 23 Magazine Locking Plate - .45 ACP - 10 Round

    H&K Heckler & Koch

    $5.95
    10 Round Magazine Locking Plate Compatible With: HK USP 45 ACP 10 round magazine HK Mark 23 10 round magazine
    HKP-01591
    $5.95
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  • New - H&K MP5 40/10 +4 Roller - HKP-00335 HK MP5 Locking Roller +4 - .40 S&W, 10mm
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    HK MP5 Locking Roller +4 - .40 S&W, 10mm

    H&K Heckler & Koch

    $20.95
    H&K Heckler and Koch New +4 roller for HK MP5 40/10  Hard to find and essential for making headspace adjustments when necessary. Great spare to have on hand and no longer in production.  Please Note: The price listed is per roller...
    HKP-00335
    $20.95
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  • New - H&K MP5 & HK94 Recoil Guide Rod - HKP-01054
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    HK MP5, HK94 Recoil Guide Rod

    H&K Heckler & Koch

    $14.95
    New HK German MP5, 94 Recoil Guide Rod Bar
    HKP-01054
    $14.95
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  • New - H&K 90 Series Hammer Spring Bushing For Burst Trigger Packs - HKP-02398 HK MP5, HK90 Series Hammer Spring Bushing - Burst
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    HK MP5, HK90 Series Hammer Spring Bushing - Burst

    H&K Heckler & Koch

    $19.99
    90 Series Hammer Spring Bushing For Burst Trigger Packs This part will fit both two and three-round burst trigger packs. 
    HKP-02398
    $19.99
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