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 - HK 416, MR556 Roll Pin for Charging Handle - HKP - HKP-16536
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    HK416, MR556 Charging Handle Roll Pin

    $7.95
    HK 416, MR556 Roll Pin for Charging Handle - HKP This is the shorter one that is used on the inside of the charging handle. There are two of these pins used per charging handle.
    HKP-16536
    $7.95
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  • New - HKP HK VP9/VP9SK/VP40 Firing Pin Striker - HKP-20464 HK VP9, VP9SK, VP40 Firing Pin Striker
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    HK VP9, VP9SK, VP40 Firing Pin Striker

    HKP HK Parts

    $39.95
    HKP HK VP9/VP9SK/VP40 Firing Pin Striker This firing pin fits all models of VP series pistols. Compatible With: HK VP9, VP9 tactical, VP9L, VP9 OR HK VP9SK VP40, VP40 tactical
    HKP-20464
    $39.95
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  • New - HK45 .45 ACP Thread Protector - Threaded .578x28 RH - HKP-19891 HK45 Thread Protector - Threaded .578x28 RH
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    HK45 Thread Protector - Threaded .578x28 RH

    USA

    $24.95
    HK45 .45 ACP Thread Protector - Threaded .578x28 RH Made in the USA, HK45 .45 ACP thread protector, for full size & compact barrels with a 578x28 RH. Made from stainless steel with a nitride finished. Specifications: Made in the USA Stainless...
    HKP-19891
    $24.95
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  • New - H&K VP9, VP40 Grip Panel Right Side - Medium - Gray - HKP-18175 HK VP9, VP40 Grip Panel Right Side - Medium - Gray
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    HK VP9, VP40 Grip Panel Right Side - Medium - Gray

    H&K Heckler & Koch

    $16.95
    H&K VP9, VP40 Grip Panel Right Side - Medium - Gray New HK German manufactured. Right side, medium size. Perfect for spare or for custom stippling projects. Drop-in part for your HK VP pistol. Compatible With: HK VP9 HK VP9A1 F, VP9A1 K HK VP40
    HKP-18175
    $16.95
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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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  • On Sale
    New - HKP .40 S&W Thread Protector - Threaded 14.5x1 LH - Titanium - HKP-17961 Thread Protector - .40 S&W - 14.5x1 LH - Titanium
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    Thread Protector - .40 S&W - 14.5x1 LH - Titanium

    HKP HK Parts

    Now: $13.95
    Was: $24.95
    HKP HK .40 S&W Thread Protector - Threaded 14.5x1 LH - Titanium Titanium .40 S&W tactical barrel thread protector cap.  Each thread protector has a built in O-ring to allow the best fit possible to prevent the thread protector from coming...
    HKP-17961
    Now: $13.95
    Was: $24.95
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  • Used - H&K HK P9S 9mm Extractor - HKP-01997
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    HK P9S 9mm Extractor

    H&K Heckler & Koch

    $79.95
    HK P9S 9mm Extractor This extractor is no longer manufactured and is hard to find. This is the last remaining stock that HK had in inventory. Last call for this part. 
    HKP-01997
    $79.95
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  • New - H&K HK P Series Catch - HKP-01796
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    HK P Series Catch

    H&K Heckler & Koch

    $23.95
    HK P Series Catch Compatible With: HK P30 HK P30L HK P30SK HK P2000 HK P2000SK
    HKP-01796
    $23.95
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  • New - H&K HK USP Roll Pin for Hammer - HKP-17541
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    HK USP Roll Pin for Hammer

    H&K Heckler & Koch

    $3.95
    H&K HK USP Roll Pin for Hammer Cylindrical pin used for the bobbed hammer and spurred hammer strut among other uses.
    HKP-17541
    $3.95
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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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  • Out Of Stock
    New - H&K 21 (7.62x51/.308) Feed Mechanism Pawl - HKP-02071

    HK 21 (7.62x51/.308) Feed Mechanism Pawl

    H&K Heckler & Koch

    $69.95
    HK 21E & M13 Feed Mechanism Pawl
    HKP-02071
    $69.95
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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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