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 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.
    HKP-01849
    $4.95
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  • Out Of Stock
    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
    HKP-01174
    $16.95
    Out Of Stock
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    $16.95
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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 Trigger Safety Latch Axle

    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
    HKP-16778
    $3.95
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    $3.95
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  • New - H&K 93/33 (5.56/.223) - Recoil Spring - HKP-02097
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    HK33, HK53, HK93 Recoil Spring

    H&K Heckler & Koch

    $8.95
    HK German factory HK 93, 33 & 33K Replacement Recoil Spring Compatible With: HK 93 HK33 HK33K Clones or other custom builds
    HKP-02097
    $8.95
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  • New - HKP MP5 F & MP5 40,10 Recoil Rod Assembly - HKP-17833 HK MP5, MP5F Recoil Rod Assembly - 9mm / 10mm / .40 S&W / .357 SIG
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    HK MP5, MP5F Recoil Rod Assembly - 9mm / 10mm / .40 S&W / .357 SIG

    HKP HK Parts

    $49.95
    MP5 F, MP5 40/10 Recoil Spring Rod Assembly Complete - Extra Power This is the correct MP5F or MP5 40/10 Recoil Rod assembly with the proper parts and size. Most commonly used for MP5's that are using +P or +P+ ammunition or any high impulse 9mm. Or for...
    HKP-17833
    $49.95
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    $49.95
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  • New - H&K MP5F, MP5 40,10 Factory Recoil Spring - HKP-01061
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    HK MP5F, MP5 40,10 Factory Recoil Spring

    H&K Heckler & Koch

    $14.95
    HK German MP5 F 9mm & MP5 40/10 Recoil Spring - New Updated Version New latest HK German manufacture MP5 40/10 replacement recoil spring. Hard to find and a high wear and replacement item. Each spring replaces the MP5F recoil spring for the MP5 9mm...
    HKP-01061
    $14.95
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    $14.95
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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...
    HKP-01171
    $5.95
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    $5.95
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  • Used - HK German -2 Locking Roller Standard 7.98mm - Used - HKP-20600 HK German -2 Locking Roller Standard 7.98mm - Used
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    HK German -2 Locking Roller Standard 7.98mm - Used

    H&K Heckler & Koch

    $9.95
    HK German Locking Roller Standard 7.98mm - Used The proper roller size is essential for proper head spacing and bolt gap. Used German German-made -2 or 7.98mm roller, each roller is priced per roller. Used HK German. HK locking roller, -2, 7.98mm. HK...
    HKP-20600
    $9.95
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    $9.95
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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...
    HKP-19632
    $14.95
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    $14.95
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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.
    HKP-01809
    $15.95
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    $15.95
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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
    HKP-16618
    $5.95
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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
    HKP-02537
    $5.95
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    $5.95
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