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 MP5 & HK94 Recoil Rod Assembly - HKP-00132
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    HK MP5, HK94 Recoil Rod Assembly

    H&K Heckler & Koch

    $69.95
    H&K MP5 & HK94 Recoil Rod Assembly  HK German MP5 and HK94 recoil rod assemblies come complete with rod, spring, nylon rings, end caps, and rivets installed. This is a great item to have on hand as a spare part as this is a wear-and-tear...
    $69.95
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  • New - H&K VP9/VP9SK, VP40 Slide Release Pressure Spring - HKP-16788
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    HK VP9, VP9SK, VP40 Slide Release Spring

    H&K Heckler & Koch

    $9.95
    H&K VP9/VP9SK, VP40 Slide Release Pressure Spring Pressure Spring for Slide Release HK VP9, HK VP40. Compatible With: HK VP9 HK VP9SK HK VP9A1 F, VP9A1 K HK VP40
    $9.95
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  • New - H&K HK VP9/VP9SK, HK VP40 Clamping Sleeve Insert, Ejector Housing - HKP-16805
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    HK VP9, VP9SK, VP40 Clamping Sleeve Insert, Ejector Housing

    H&K Heckler & Koch

    $1.95
    Clamping Sleeve For Insert, Ejector Block Housing For HK VP9, VP40 This is the factory correct roll pin for holding the ejector block housing in the frame. New HK German manufacture. Compatible With: HK VP9 HK VP9SK HK VP40
    $1.95
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  • Out Of Stock
    New - H&K +4 Roller For Bolt Head 8.04mm - Over-Sized - HKP-00508 HK MP5, HK33, HK53, HK93, HK91, G3 Locking Roller for Bolt Head - 8.04mm

    HK MP5, HK33, HK53, HK93, HK91, G3 Locking Roller for Bolt Head - 8.04mm

    H&K Heckler & Koch

    $29.95
    H&K +4 Roller For Bolt Head 8.04mm - Over-Sized New HK German not surplus or used goods. The correct roller is essential for proper head spacing and the bolt gap. Compatible With: HKG3, 91 & PTR HK93, 33, 53 HK MP5, MP5K Cetme, C308 Clones...
    $29.95
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    $29.95
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  • New - HKP MP5 & MP5K 9mm Magazine Follower & Locking Plate Set - HKP-21573-M HK MP5, MP5K Magazine Follower and Locking Plate Set - 9mm
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    HK MP5, MP5K Magazine Follower and Locking Plate Set - 9mm

    HKP HK Parts

    $12.95
    HKP MP5 & MP5K 9mm Magazine Follower & Locking Plate Set  A drop in item that allows you to swap your follower & locking plate to green or red. Best for a quick empty mag identifier. A great training or range aid at a great price. Made...
    $12.95
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    $12.95
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  • New - HKP UMP/USC (.40 S&W/.45 ACP/9mm) Recoil Buffer - HKP-18746 HKP UMP/USC (.40 S&W/.45 ACP/9mm) Recoil Buffer
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    HKP UMP/USC (.40 S&W/.45 ACP/9mm) Recoil Buffer

    $11.95
    HKP USC & UMP Recoil Buffer Replaceable spare lower housing or buffer for buffer housings. This is a high wear & replacement item and a must have for spare parts. Compatible With: HK USC .45 HK UMP models
    $11.95
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  • On Sale
    Used - HKP HK USP, P2000, HK45C Enhanced Magazine Release - FDE - HKP-21491 HK USP, P2000, HK45C Enhanced Magazine Release
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    HK USP, P2000, HK45C Enhanced Magazine Release

    HKP HK Parts

    Now: $22.46
    Was: $44.95
    HKP Enhanced Magazine Release -HK USP, P2000, HK45C  HK Parts Enhanced and Over-sized Magazine Release. The over-sized magazine release increases the overall surface area and makes it possible to release the magazine without changing the position of...
    Now: $22.46
    Was: $44.95
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    Now: $22.46
    Was: $44.95
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  • New - HK UMP/USC (.40 S&W/.45 ACP/9mm) Picatinny Rail Screw - HKP-16562 HK UMP, USC Picatinny Rail Screw
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    HK UMP, USC Picatinny Rail Screw

    $0.75
    HK UMP/USC (.40 S&W/.45 ACP/9mm) Picatinny Rail Screw Good spares to have on hand as screws can get damaged or lost.
    $0.75
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    $0.75
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  • Used - H&K 90 Series Hammer Axle For Trigger Pack - HKP-15444
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    HK90 Series Hammer Axle For Trigger Pack

    H&K Heckler & Koch

    $2.77
    H&K 90 Series Hammer Axle For Trigger Pack HK German used hammer axle for the 90 series style of trigger packs. Each axle pin or pivot pin measures .237 inches (6.0mm). A great spare and must have spare part for anyone that owns an HK 90 series of...
    $2.77
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    $2.77
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  • New - HKP Roller +7 - New - 8.07mm - HKP-19442 HK Roller +7 - New - 8.07mm
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    HK Roller +7 - New - 8.07mm

    HKP HK Parts

    $8.99
    Roller +7 - New - 8.07mm HK Parts Standard (8.07 mm) locking roller, The proper roller size is essential for proper bolt gap. US Manufacture. Please Note: The price listed is per roller. Order 2 (pair) for a complete set for the bolt head. An easy way to...
    $8.99
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  • New - H&K HK P30/USPC/45C/P2000 Firing Pin Spring - HKP-01502
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    HK45 Compact, P30, USP Compact Spring- Firing Pin

    H&K Heckler & Koch

    $8.95
    HK P30/USPC/45C/P2000 Firing Pin Spring A must have spare replacement part to keep on hand and to swap out during pistol servicing. Compatible With: HK USP Compact 9mm HK USP Compact 40 & .357 HK USP Compact 45 HK P2000 Series HK P2000SK Series HK...
    $8.95
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  • New - H&K Rear Sights Windage Screw - HK 90 Series - HKP-00867
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    HK33, HK53, HK93 Rear Sights Windage Screw

    H&K Heckler & Koch

    $4.95
    H&K Rear Sights Windage Screw - HK 90 Series This is a hard-to-find rear sight screw new from HK Germany - not surplus.
    $4.95
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