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 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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    $29.95
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  • Used - H&K USC/SL8 (.45 ACP/5.56/.223) Buttstock Screw - HKP-01649 HK USC, SL8 Buttstock Allen Screw
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    HK USC, SL8 Buttstock Allen Screw

    H&K Heckler & Koch

    $17.95
    Buttstock Allen Screw For HK USC Or HK SL8 rifles. This is the screw that holds the stock assembly onto the upper receiver of the HK USC & SL8.Great for replacements or to have as spares. This item is factory HK and a common spare.
    HKP-01649
    $17.95
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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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  • Out Of Stock
    HK416, MR556, MR762 Snap Hook Adapter for Slimline Buttstocks - Ambi HK416, MR556, MR762 Snap Hook Adapter for Slimline Buttstocks - Ambi

    HK416, MR556, MR762 Snap Hook Adapter for Slimline Buttstocks - Ambi

    H&K Heckler & Koch

    $177.95
    H&K MR556/MR762 Ambi Slimline Buttstock Snap Hook Adapter Genuine H&K snap hook adapter designed to provide ambidextrous sling attachment points for MR556 and MR762 slimline buttstocks.  Compatible With: HK416, MR556, MR223 slimline...
    HKP-22100
    $177.95
    Out Of Stock
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    $177.95
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  • New - H&K VP9 Short Slide Release Lever - Right - HKP-22006 HK VP9 Slide Release Lever - Short - Right
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    HK VP9 Slide Release Lever - Short - Right

    H&K Heckler & Koch

    $59.95
    H&K VP9 Slide Release Lever - Short - Right Short version of the right side slide release for VP series pistols. Can be combined with 260431, 50254706, 50239395 Compatible With: VP9 VP9L VP9 Match VP9 Tactical  VP9SK VP9K VP9...
    HKP-22006
    $59.95
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    $59.95
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  • New - H&K MR762 A4 Pivot Pin - HKP-21958 HK417, MR762 Takedown Pin - Front - A4 Style
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    HK417, MR762 Takedown Pin - Front - A4 Style

    H&K Heckler & Koch

    $43.99
    H&K MR762 A4 Receiver Front Takedown Pin German-made factory pivot pin for the MR762 A4.  Will work with A1 models as well. Compatible With: HK MR762 A1 and A4 HK417  
    HKP-21958
    $43.99
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    $43.99
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  • New - HK VP9/VP9SK, HK VP40 Catch Cylindrical Pin - HKP-16802
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    HK VP9, VP9SK, VP40 Catch Cylindrical Pin

    H&K Heckler & Koch

    $9.95
    Cylindrical Pin For Catch VP9, VP40 Compatible With: HK VP9 HK VP9SK HK VP9A1 F, VP9A1 K HK VP40
    HKP-16802
    $9.95
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    $9.95
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  • New - H&K HK VP9/VP9SK, HK VP40 Catch - HKP-16799 HK VP9, VP9SK, HK VP40 Catch
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    HK VP9, VP9SK, HK VP40 Catch

    H&K Heckler & Koch

    $27.95
    HK Catch VP9, VP9SK & VP40 Compatible With: HK VP9, VP9 Tactical HK VP9A1 F HK VP9A1 K HK VP9SK VP40, VP40 Tactical
    HKP-16799
    $27.95
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  • New - H&K HK MR762/HK417 Cam Pin - HKP-16844
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    HK417, MR762 Cam Pin

    H&K Heckler & Koch

    $64.95
    H&K HK MR762/HK417 Cam Pin   Compatible With: HK MR762 HK 417
    HKP-16844
    $64.95
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    $64.95
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  • New - HK G36 (5.56/.223) Cocking Handle Bushing - HKP-18368 HK G36 Cocking Handle Bushing - USA
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    HK G36 Cocking Handle Bushing - USA

    USA

    $5.95
    G36 Cocking Handle Bushing - US Made
    HKP-18368
    $5.95
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    $5.95
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  • New - H&K UMP/USC (.40 S&W/.45 ACP/9mm) Bolt Catch Spring - HKP-01900
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    HK UMP, USC Bolt Catch Spring

    H&K Heckler & Koch

    $8.95
    HK UMP & USC Bolt Catch Spring Compatible With: HK UMP HK USC
    HKP-01900
    $8.95
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    $8.95
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  • Out Of Stock
    New - H&K 21 (7.62x51/.308) Feed Mechanism Pawl - HKP-02071

    HK21 Feed Mechanism Pawl

    H&K Heckler & Koch

    $69.95
    HK 21E & M13 Feed Mechanism Pawl
    HKP-02071
    $69.95
    Out Of Stock
    Qty in Cart: 0
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    $69.95
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