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 93/53/33 & HK21E/23E Cocking Handle Pivot Pin - HKP-21746 HK33, HK53, HK93, HK21E, 23E Cocking Handle Pivot Pin
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    HK33, HK53, HK93, HK21E, 23E Cocking Handle Pivot Pin

    H&K Heckler & Koch

    $18.95
    H&K 93/53/33 & HK21E/23E Cocking Handle Pivot Pin This genuine H&K cocking handle pivot pin allows smooth operation of the charging handle assembly. While the nipple on the 21E pin is slightly shorter than the 33 pin, it remains fully...
    HKP-21746
    $18.95
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  • New - H&K HK MR762/417/G28 Ejection Cover Axle Spring - HKP-16753
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    HK417, MR762, G28 Ejection Cover Axle Spring

    H&K Heckler & Koch

    $9.95
    H&K HK MR762/417/G28 Ejection Cover Axle Spring New Hk German manufacture for the MR762 & HK 417 firearm. The spring is used on the axle and ejection port cover door to allow it to be closed and spring open. Compatible With: HK MR762 HK 417 HK...
    HKP-16753
    $9.95
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  • Out Of Stock
    New - POF MP5, HK94, MP5K, SP89 & SP5K Firing Pin - HKP-18264 HK MP5, HK94K, SP89 Firing Pin

    HK MP5, HK94K, SP89 Firing Pin

    POF

    $24.95
    HK Contract MP5, HK94 Firing Pin - POF Made from HK prints and tooling in the POF factory. The USA and German HK offering are a better offering with tighter tolerances and better materials. Compatible With: MP5 HK94 MP5K SP89 SP5K All 9mm, 40/10mm...
    HKP-18264
    $24.95
    Out Of Stock
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    $24.95
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  • New - HKP HK 45/45 Tactical Titanium Firing Pin - HKP-17811
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    HK45, HK45T Firing Pin - Titanium

    HKP HK Parts

    $49.95
    Firing Pin HK45 & HK45 Tactical - Titanium - Grade 6 A solid billet CNC offering at 40+% lighter than comparable steel firing pins. Our titanium firing pins travel faster in the slide, delivering a quicker lock time & enhancing accuracy. Titanium...
    HKP-17811
    $49.95
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  • Out Of Stock
    New - H&K HK 45 Recoil Rod Absorber Bushing - HKP-02269

    HK45 Recoil Rod Absorber Bushing

    H&K Heckler & Koch

    $9.95
    HK 45 Recoil Rod Absorber Bushing This part is a common wear and replacement part and a must-have for spare parts. Compatible With: HK45 HK45 Tactical
    HKP-02269
    $9.95
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  • New - H&K HK P30L Recoil Rod Bushing Sleeve - HKP-02435 HK P30L Recoil Rod Bushing Sleeve
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    HK P30L Recoil Rod Bushing Sleeve

    H&K Heckler & Koch

    $39.95
    HK P30L Recoil Rod Bushing Sleeve Compatible With: HK P30L 9mm HK P30L .40
    HKP-02435
    $39.95
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  • New - H&K HK USP Series Hammer Strut Pin - HKP-01633
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    HK USP Series Hammer Strut Pin

    H&K Heckler & Koch

    $7.95
    HK USP Series Hammer Strut Pin Cylinder Pin ISO 8750 - 1.5 x 8mm.  Compatible With: HK USP 9mm HK USP 40 S&W HK USP Compact 9mm HK USP Compact 40 S&W HK USP Compact 357 SIG HK USP Compact 45 ACP
    HKP-01633
    $7.95
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    $7.95
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  • New - H&K HK MP7 Compression Spring - HKP-16782
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    HK MP7 Compression Spring

    H&K Heckler & Koch

    $5.95
    H&K HK MP7 Compression Spring
    HKP-16782
    $5.95
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    $5.95
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  • Out Of Stock
    New - H&K 21E/23E (7.62x51/.308) & (5.56/.223) E Clip For Carry Handle - HKP-00579

    HK21E, HK23E E Clip For Carry Handle - 7.62x51 / .308 - 5.56 / .223

    H&K Heckler & Koch

    $9.95
    HK German "E" Clip For Carry Handle For HK21 & HK23E folding carry handles. Clips are sold individually.
    HKP-00579
    $9.95
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  • Used - H&K 91/G3 (7.62x51/.308) Magazine Catch - Used - HKP-18693 HK91, G3 Magazine Catch - Used
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    HK91, G3 Magazine Catch - Used

    H&K Heckler & Koch

    $16.95
    G3 Magazine Catch - HK 91, G3, PTR91 -.308/7.62 - USED The highest quality magazine catch available. High quality HK German production units are slightly used HK Parts from Heckler & Koch Germany. These also have the proper cut in them and do not...
    HKP-18693
    $16.95
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  • On Sale
    New - MKE HK 93/53/33 Push Pin Spring - HKP-22228 MKE Push Pin Spring MKE HKP-22228
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    HK33, HK53, HK93 Push Pin Spring

    MKE

    Now: $2.19
    Was: $3.95
    MKE HK33, HK53, HK33 Push Pin Spring A must have replacement spring to have on hand. A quick and easy install spring to get your push pins back to working condition. A great replacement for those worn out springs that come loose while in action...
    HKP-22228
    Now: $2.19
    Was: $3.95
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    Now: $2.19
    Was: $3.95
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  • New - HK UMP, USC Right Hammer Spring - HKP-19557
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    HK UMP, USC Hammer Spring - Right - US

    USA

    $9.95
    HK UMP & USC Right Side Hammer Spring For Lowers - USA
    HKP-19557
    $9.95
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