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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    Used - KDG HK MR762, HK 417, HK G28 Ambidextrous Magazine Release - Black - HKP-19204 Used - KDG HK MR762, HK 417, HK G28 Ambidextrous Magazine Release - Black - HKP-19204

    HK417, MR762, G28 Magazine Release - Ambidextrous

    KDG Kinetic Development Group

    $169.95
    Magazine Release - Ambi - HK MR762, 417, G28 The HK 762 Ambi (Ambidextrous) Magazine Release. This is the first ambidextrous magazine release for the HK 417 variant rifles.  The mag release is a lever instead of a button; where the release has been...
    HKP-19204
    $169.95
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    $169.95
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  • New - H&K HK G36, HK SL8 Magazine Paddle Release - HKP-02152 HK G36, SL8 Magazine Paddle Release
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    HK G36, SL8 Magazine Paddle Release

    H&K Heckler & Koch

    $19.95
    HK G36 & SL8 Magazine Paddle Release Compatible With: HK SL8 HK G36 HK G36K HK G36C
    HKP-02152
    $19.95
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    $19.95
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  • New - H&K HK MR556/MR762/416 Dowel Pin - HKP-19528
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    HK416, MR556, MR762 Dowel Pin

    $9.95
    H&K HK MR556/MR762/416 Dowel Pin Compatible With: HK MR556 HK 416 HK MR762
    HKP-19528
    $9.95
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    $9.95
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  • New - HKP HK VP9, VP9SK, VP40 Elbow Spring Stop Pin - HKP-16779
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    HK VP9, VP9SK, VP40 Trigger Bar Pin

    HKP HK Parts

    $9.95
    HKP HK Parts Elbow Spring Stop Pin for HK VP9, HK VP9SK, and HK VP40 
    HKP-16779
    $9.95
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  • New - H&K HK P30/P2000 Hammer Strut - HKP-01621
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    HK P30, P2000 Hammer Strut

    H&K Heckler & Koch

    $24.95
    HK P2000 & P30 Hammer Strut Compatible With: HK P2000 HK P30
    HKP-01621
    $24.95
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    $24.95
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  • New - H&K HK USP .45 ACP Buffer Spring Retainer Roll Pin - HKP-02267
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    HK USP Retainer Roll Pin, Buffer Spring - .45 ACP

    H&K Heckler & Koch

    $7.95
    HK USP .45 ACP Buffer Spring Retainer Roll Pin  
    HKP-02267
    $7.95
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  • Out Of Stock
    New - H&K HK USPC LEM Firing Pin Block Spring - HKP-16421

    HK USP Compact LEM Block Spring - Firing Pin

    H&K Heckler & Koch

    $8.95
    H&K HK USPC LEM Firing Pin Block Spring   Compatible With: HK USP Compact 9mm - LEM HK USP Compact 40 - LEM HK USP Compact 45 ACP - LEM
    HKP-16421
    $8.95
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    $8.95
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  • New - H&K HK G36 Left Side Lower Hammer Spring - HKP-01856
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    HK G36 Hammer Spring - Left Side

    H&K Heckler & Koch

    $8.95
    HK G36 Left Side Lower Hammer Spring
    HKP-01856
    $8.95
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  • New - H&K G36/SL8 (5.56/.223) Extractor Axle - HKP-01895
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    HK G36, SL8 Extractor Axle

    H&K Heckler & Koch

    $9.95
    HK G36 & SL8 Extractor Axle This part can become heavily worn and is prone to breakage. Compatible With: HK G36 models HK SL8 models
    HKP-01895
    $9.95
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  • New - H&K G36/SL8 (5.56/.223) Cocking Handle Spring - HKP-01862
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    HK G36, SL8 Cocking Handle Spring

    H&K Heckler & Koch

    $10.95
    HK German G36 Cocking Handle Spring - All Variants Compatible With: G36 - all variants SL8 - all variants
    HKP-01862
    $10.95
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  • New - H&K G36/SL8 (5.56/.223) Barrel Retaining Nut - HKP-16341 HK G36, SL8 Barrel Retaining Nut
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    HK G36, SL8 Barrel Retaining Nut

    H&K Heckler & Koch

    $29.95
    HK G36 & SL8 Barrel Retaining Nut - German HK Compatible With: SL8 (all models and variants) G36E G36K G36C All other G36 Variants
    HKP-16341
    $29.95
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  • New - H&K 91/93/33/53/G3 (5.56/.223) & (7.62x51/.308) Internal Buffer With Break Springs - HKP-17424
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    HK33, HK53, HK93, HK91, G3 Internal Buffer With Break Springs

    H&K Heckler & Koch

    $17.95
    HK German G3, 91, PTR & HK 33, 93 Internal Buffer Brake Spring New HK German Brake Springs for the standard buffer found on the HK G3, 91, PTR & HK93, 33, 53 rear stocks. Compatible With: All standard A2 fixed stock buffers
    HKP-17424
    $17.95
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