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 H&K HK 45/45C/USP/USPC Control Latch - HKP-01174

    HK45, HK45 Compact, USP, USP Compact Control Latch

    H&K Heckler & Koch

    $16.95
    Control Latch Compatible With: HK USP 9mm HK USP .40 S&W HK USP .45 ACP HK USP Compact 9mm HK USP Compact .40 S&W HK USP Compact .45 ACP HK45, HK45 Tactical HK45 Compact, HK45C Tactical HK Tactical, Elite & Expert Models
    $16.95
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  • New - H&K HK MR556/762/416/417 Bolt Catch Spring - HKP-16661
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    HK416, HK417, MR556, MR762 Bolt Catch Spring

    H&K Heckler & Koch

    $6.95
    H&K HK MR556/762/416/417 Bolt Catch Spring Compatible With: HK MR556 HK 416 HK MR762 HK 417
    $6.95
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  • New - H&K HK 416/417/MR556/MR762 Catch Retainer Spring - Magazine - HKP-16618
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    HK416, HK417, MR556, MR762 Clamping Sleeve

    H&K Heckler & Koch

    $5.95
    H&K HK 416/417/MR556/MR762 Clamping Sleeve Compatible With: HK416 HK417 MR556 MR762
    $5.95
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  • New - H&K HK USP, HK USPC, HK 45 & HK 45C Detent Plate For V1 & V2 - HKP-01171
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    HK45, HK45C, USP, USPC Detent Plate For V1 & V2

    H&K Heckler & Koch

    $5.95
    Detent Plate For V1 & V2 This will provide the safety and decocking functions for both the left and right side selector levers for the HK pistols below.  Compatible With: USP Full Size, USPC Pistols in all Calibers 9mm, .357, .40 & .45 HK45...
    $5.95
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  • New - HKP HK VP9/VP9SK, HK VP40 Axle For Trigger Safety Latch - HKP-16778
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    HK VP9, VP9SK, VP40 Axle For Trigger Safety Latch

    HKP HK Parts

    $3.95
    Axle For Trigger Safety Latch VP9, VP9SK & VP40 HK German factory part. This pin is the axle pin for the safety latch in the VP trigger. Compatible With: HK VP9 HK VP9 Tactical HK VP40 HK VP40 Tactical HK VP9SK
    $3.95
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    $3.95
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  • New - H&K HK VP9 Rubber Extractor Plug - HKP-01849
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    HK VP9 Rubber Extractor Plug

    H&K Heckler & Koch

    $4.95
    HK VP9 Rubber Extractor Plug This part is the rubber buffer found on the inside of the extractor spring to help keep positive tension on the extractor. It's a must-have repair and replacement item.
    $4.95
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  • New - PTR Tactical Handguard "U" Shaped Bracket Screw - HKP-17318 HK MP5, MP5K, HK93, HK91 Handguard Bracket Screw - Tactical
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    HK MP5, MP5K, HK93, HK91 Handguard Bracket Screw - Tactical

    PTR

    $1.95
    PTR Tactical Handguard "U" Shaped Bracket Screw Replacement screw for the "U" shaped hangar on the tactical handguard. There are a total of 3 screws used, they are all the same for the MP5k, MP5, HK93 & HK91 tactical handguards. Great spare to have...
    $1.95
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    $1.95
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  • New - HK MP5K, SP5K Rear Push Pin Weldment Set - HKP-19632 HK MP5K, SP5K Rear Push Pin Weldment Set
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    HK MP5K, SP5K Rear Push Pin Weldment Set

    USA

    $14.95
    HK MP5K, SP5K Rear Push Pin Weldment Set This weldment set is the 2 pieces needed for the rear of the flat/receiver that holds the stock/brace or end cap in place. CNC machined from weldable steel and the finest weldment available on the market...
    $14.95
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  • New - H&K VP9/VP9SK, VP40 Firing Pin Pressure Spring - HKP-16831
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    HK VP9, VP9SK, VP40 Return Spring - Firing Pin

    H&K Heckler & Koch

    $9.95
    H&K VP9/VP9SK, VP40 Firing Pin Pressure Spring   Compatible With: HK VP9/VP9SK HK VP9A1 F, VP9A1 K HK VP40
    $9.95
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  • HK Magazine Release - HK45 & P30, P30L, P30SK HK Magazine Release - HK45 & P30, P30L, P30SK
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    HK Magazine Release - HK45 & P30, P30L, P30SK

    H&K Heckler & Koch

    $15.95
    H&K Magazine Release Compatible With: HK45 HK45 Tactical HK P30, P30S, P30L, P30SK Please Note: This part will not fit pistols other than the ones listed above.
    $15.95
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  • New - HKP Elbow Spring Spacer For Semi-Auto - HKP-18210 HK MP5 Bushing Sleeve - Elbow Spring with Roller
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    HK MP5 Bushing Sleeve - Elbow Spring with Roller

    HKP HK Parts

    $8.95
    HK Parts Distance Sleeve replacement for your elbow spring in your Semi-Auto MP5  New USA manufacture. Semi auto spacer for elbow spring on the HK 90 series trigger packs. Micro polished and made from stainless steel. This is the finest semi auto...
    $8.95
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  • New - H&K HK MR556/MR762/416/417 Forward Assist Plunger Spring - HKP-02537
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    HK416, HK417, MR556, MR762 Forward Assist Plunger Spring

    H&K Heckler & Koch

    $5.95
    H&K HK MR556/MR762/416/417 Forward Assist Plunger Spring New HK German manufacture. Compatible With: HK MR556 HK 416 HK MR762 HK 417 HK G28 HK M27
    $5.95
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