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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  • On Sale
    New - H&K Cocking Tube End Cap Spring - HKP-17980
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    HK MP5, HK90 Series Cocking Tube End Cap Spring

    H&K Heckler & Koch

    Now: $4.45
    Was: $4.95
    H&K Cocking Tube End Cap Spring Fits all German, Contract & US made cocking tube end caps. A great spare to have on hand as this part can become worn and be lost. The cocking tube end cap spring applies pressure to the cocking tube end cap/dust...
    HKP-17980
    Now: $4.45
    Was: $4.95
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    Qty in Cart: 0
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    Now: $4.45
    Was: $4.95
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  • On Sale
    HK45, P30, P30L, P30SK Magazine Release HK45, P30, P30L, P30SK Magazine Release
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    HK45, P30, P30L, P30SK Magazine Release

    H&K Heckler & Koch

    Now: $14.95
    Was: $15.95
    Heckler and Koch Magazine Release for HK45 and HK P30 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
    Now: $14.95
    Was: $15.95
    Add to Cart
    Qty in Cart: 0
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    Now: $14.95
    Was: $15.95
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  • On Sale
    New - H&K HK MR556/MR762/416/417 Forward Assist Plunger Spring - HKP-02537
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    HK416, MR556, HK417, MR762 Forward Assist Plunger Spring

    H&K Heckler & Koch

    Now: $4.95
    Was: $5.95
    Heckler and Koch's Forward Assist Plunger Spring for HK416, MR556, HK417, MR762  New HK German manufacture. Compatible With: HK416, MR556 HK417, MR762 HK G28 HK M27
    HKP-02537
    Now: $4.95
    Was: $5.95
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    Qty in Cart: 0
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    Now: $4.95
    Was: $5.95
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  • On Sale
    New - H&K 90 Series Burst Trigger Pack Compression Rod - HKP-01047
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    HK90 Series Compression Rod for Burst Trigger Packs

    H&K Heckler & Koch

    Now: $26.95
    Was: $29.95
    H&K 90 Series Burst Trigger Pack Compression Rod This is an HK German factory part that is found in all HK burst trigger packs. This part, along with the compression rod spring, is the number one most common wear or breakage parts in burst packs...
    HKP-01047
    Now: $26.95
    Was: $29.95
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    Qty in Cart: 0
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    Now: $26.95
    Was: $29.95
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  • On Sale
    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 - V1, V2

    H&K Heckler & Koch

    Now: $17.95
    Was: $18.95
    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
    Now: $17.95
    Was: $18.95
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    Qty in Cart: 0
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    Now: $17.95
    Was: $18.95
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  • On Sale
    New - H&K HK VP9/VP9SK, HK VP40 Trigger Bar - HKP-16780 HK VP9, VP9SK, VP40 Trigger Bar
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    HK VP9, VP9SK, VP40 Trigger Bar

    H&K Heckler & Koch

    Now: $50.95
    Was: $55.95
    H&K HK VP9/VP9SK, HK VP40 Trigger Bar   Compatible With: HK VP9 HK VP9SK HK VP40
    HKP-16780
    Now: $50.95
    Was: $55.95
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    Qty in Cart: 0
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    Now: $50.95
    Was: $55.95
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  • On Sale
    New - H&K HK 416/417/MR556/MR762 Catch Retainer Spring - Magazine - HKP-16618
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    HK416, MR556, HK417, MR762 Clamping Sleeve

    H&K Heckler & Koch

    Now: $4.95
    Was: $5.95
    H&K HK 416/417/MR556/MR762 Clamping Sleeve Compatible With: HK416 HK417 MR556 MR762
    HKP-16618
    Now: $4.95
    Was: $5.95
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    Qty in Cart: 0
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    Now: $4.95
    Was: $5.95
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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...
    HKP-17318
    $1.95
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    Qty in Cart: 0
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    $1.95
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  • On Sale
    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

    Now: $2.95
    Was: $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
    Now: $2.95
    Was: $3.95
    Add to Cart
    Qty in Cart: 0
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    Now: $2.95
    Was: $3.95
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  • On Sale
    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

    Now: $13.95
    Was: $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
    Now: $13.95
    Was: $14.95
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    Qty in Cart: 0
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    Now: $13.95
    Was: $14.95
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  • Out Of Stock
    New - H&K HK VP9 Rubber Extractor Plug - HKP-01849

    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
    Out Of Stock
    Qty in Cart: 0
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    $4.95
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  • On Sale
    New - H&K UMP/USC (.40 S&W/.45 ACP/9mm) Cocking Lever Spring - HKP-01886
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    HK UMP, USC Cocking Lever Spring

    H&K Heckler & Koch

    Now: $7.95
    Was: $8.95
    HK UMP & USC Cocking Lever Spring A great spare part to have on hand.
    HKP-01886
    Now: $7.95
    Was: $8.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
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    Now: $7.95
    Was: $8.95
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