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 - GSG9 HK G36/SL8 (5.56/.223) Barrel Retaining Nut - HKP-18252 HK G36, SL8  Barrel Retaining Nut
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    HK G36, SL8 Barrel Retaining Nut

    GSG9

    $53.00
    HK G36 & SL8 Barrel Retaining Nut - USA Made in the USA. Compatible With: SL8 (all models & variants) G36E G36K G36C All other G36 Variants
    $53.00
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    $53.00
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  • Out Of Stock
    New - H&K 21 (7.62x51/.308) Carry Handle Axle Elbow Spring - HKP-00578

    HK21 Carry Handle Axle Elbow Spring

    HKP HK Parts

    $11.95
    HK21 & 21E Carry Handle Axle Elbow Spring This part is needed and is used in conjunction with the actual carry handle, axle, axle spring, and (2) E-clips. This is the elbow spring portion of the needed part for the assembly.
    $11.95
    Out Of Stock
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    $11.95
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  • New - HK Carry Handle Axle - HKP-00577
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    HK21 Carry Handle Axle

    HKP HK Parts

    $16.95
    HK Carry Handle Axle
    $16.95
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    $16.95
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  • New - H&K 90 Series Hammer Spring Bushing For Burst Trigger Packs - HKP-02398 HK90 Series Hammer Spring Bushing for Burst Trigger Packs
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    HK90 Series Hammer Spring Bushing for Burst Trigger Packs

    H&K Heckler & Koch

    $19.99
    90 Series Hammer Spring Bushing For Burst Trigger Packs This part will fit both two and three-round burst trigger packs. 
    $19.99
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  • On Sale
    HK MP5, G3, PTR, HK93 Push Button for Magazine Catch H&K Heckler & Koch HKP-22325 HK MP5, G3, PTR, HK93 Push Button for Magazine Catch H&K Heckler & Koch HKP-22325
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    HK MP5, G3, PTR, HK93 Push Button for Magazine Catch - Used

    H&K Heckler & Koch

    Now: $4.95
    Was: $8.95
    H&K MP5, G3, PTR, HK93 Push Button for Magazine Catch - Used   Factory original HK push button replacement part. Limited quantity available.   This is a used part, sold AS-IS, and is not eligible for return.  Compatible...
    Now: $4.95
    Was: $8.95
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    Now: $4.95
    Was: $8.95
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  • New - H&K CC9 Magazine Locking Plate - 10 Round - HKP-22149 HK CC9 Magazine Locking Plate - 10 Round
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    HK CC9 Magazine Locking Plate - 10 Round

    H&K Heckler & Koch

    $5.95
    H&K CC9 Magazine Locking Plate - 10 Round Locking plate for H&K CC9 10-round magazines. Secures the floor plate and internal components to the magazine body. Genuine H&K part. Compatible With: HK CC9
    $5.95
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    $5.95
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  • New - H&K CC9 Magazine Catch Spring - HKP-22107
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    HK CC9 Magazine Catch Spring

    H&K Heckler & Koch

    $5.95
    H&K CC9 Magazine Catch Spring   This authentic CC9 magazine catch spring applies tension to the magazine catch for secure magazine retention and release. Compatible With: HK CC9  
    $5.95
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  • New - H&K VP9SK Right Side Grip Panel - Small - OD Green - HKP-18956 HK VP9SK Right Side Grip Panel - Small - OD Green
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    HK VP9SK Right Side Grip Panel - Small - OD Green

    H&K Heckler & Koch

    $19.95
    H&K VP9SK Right Side Grip Panel - Small - OD Green New HK German manufactured. Right side small Size perfect for spare or for custom stippling projects. Drop-in part for your HK VPSK pistol. Compatible With: HK VP9SK
    $19.95
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  • New - H&K HK VP9/VP9SK, HK VP40 Drop Safety - HKP-16836 HK VP9, VP9SK, HK VP40 Drop Safety
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    HK VP9, VP9SK, HK VP40 Drop Safety

    H&K Heckler & Koch

    $56.95
    H&K HK VP9/VP9SK, HK VP40 Drop Safety   Compatible With: HK VP9 HK VP9A1 F HK VP9A1 K HK VP9SK HK VP40
    $56.95
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    $56.95
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  • New - H&K VP9/VP9SK, HK VP40 Axle For Drop Safety - HKP-16837 HK VP9, VP9SK, VP40 Drop Safety Axle
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    HK VP9, VP9SK, VP40 Drop Safety Axle

    H&K Heckler & Koch

    $31.95
    H&K VP9/VP9SK, HK VP40 Axle For Drop Safety
    $31.95
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    $31.95
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  • New - H&K HK USPC 9mm / 40 S&W LEM Trigger Bar - HKP-16326 HK USPC 9mm / 40 S&W LEM Trigger Bar
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    HK USPC 9mm / 40 S&W LEM Trigger Bar

    H&K Heckler & Koch

    $49.95
    H&K HK USPC 9mm / 40 S&W LEM Trigger Bar
    $49.95
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  • New - H&K HK 45/P30SK/P2000 Lockout Device Ball Bearing - HKP-02273
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    H45, KP30SK, P2000 Lockout Device Ball Bearing

    H&K Heckler & Koch

    $4.95
    HK 45, P30SK, & P2000 Lockout Device Ball Bearing   Compatible With: HK45, HK45 Tactical HK45C, HK45C Tactical HK P30SK P2000 & P2000SK
    $4.95
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    $4.95
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