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 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 - HK G36/MP7 (4.6x30/5.56/.223) Firing Pin Bolt O-Ring - HKP-18373 HK MP7, G36, Bolt O-Ring - Firing Pin - US
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    HK MP7, G36, Bolt O-Ring - Firing Pin - US

    USA

    $5.95
    HK G36 & MP7 Firing Pin Bolt O-ring. This is also the O-ring for the retaining pin for the MP7- US. Compatible With: HK G36 HK MP7
    HKP-18373
    $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
    Out Of Stock
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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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  • 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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  • New - HK G36, HK SL8 Bolt Catch USF - HKP-19122 HK G36, HK SL8 Bolt Catch USF
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    HK G36, HK SL8 Bolt Catch USF

    USA

    $14.95
    HK G36 & SL8 Bolt Catch On AR-15 systems this would be similar to a cam pin. Compatible With: G36, G36K, G36C Sl8 variants
    HKP-19122
    $14.95
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  • New - H&K VP9, VP40 Grip Panel Right Side - Medium - FDE - HKP-18116 HK VP9, VP40 Grip Panel Right Side - Medium - FDE
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    HK VP9, VP40 Grip Panel Right Side - Medium - FDE

    H&K Heckler & Koch

    $19.95
    H&K VP9, VP40 Grip Panel Right Side - Medium - FDE 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-18116
    $19.95
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  • New - H&K HK 417/MR762 Magazine Catch Retainer Ring - HKP-16521 HK417, MR762 Magazine Catch Retainer Ring
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    HK417, MR762 Magazine Catch Retainer Ring

    H&K Heckler & Koch

    $10.95
    H&K HK 417/MR762 Magazine Catch Retainer Ring   Compatible With: HK 417 HK MR762
    HKP-16521
    $10.95
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  • New - H&K HK USPC/P30/45C Recoil Spring Washer Retainer - HKP-01594
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    HK45 Compact, USP Compact, P30 Recoil Spring Washer Retainer

    H&K Heckler & Koch

    $9.95
    New HK German Recoil Spring Washer Retainer This is the retaining washer that holds the spring captive on the end of the recoil assembly and pushes against the recoil spring. Compatible With: All USP Compact models P2000 P30 HK45 HK45C
    HKP-01594
    $9.95
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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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  • New - H&K HK MR556/416 Extractor - HKP-00036 HK416, MR556 Extractor
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    HK416, MR556 Extractor

    H&K Heckler & Koch

    $64.95
    HK 416 & MR556 Bolt Head Extractor New HK - German Compatible With: HK MR556 HK 416 CR556 HK M27  
    HKP-00036
    $64.95
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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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