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 HK USP Slide Release Lever - HKP-01674
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    HK USP Slide Release Lever

    H&K Heckler & Koch

    Now: $53.95
    Was: $59.95
    HK USP Slide Release Lever Compatible With All USP Full Size Pistols & All USP Full Size Variants Below: USP 45 USP 40 USP 9mm USP Tactical (all calibers) USP Expert (all calibers) USP Elite (all calibers)
    HKP-01674
    Now: $53.95
    Was: $59.95
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    Now: $53.95
    Was: $59.95
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  • New - H&K HK MR556/MR762/416 Extractor Spring Buffer - HKP-00051
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    HK416, MR556, MR762 Extractor Spring Buffer

    H&K Heckler & Koch

    $14.95
    H&K HK MR556/MR762/416 Extractor Spring Buffer This buffer fits inside the extractor spring in the extractor pocked of the bolt. This item is a high wear item and a spare would be highly advised. Compatible With: HK MR556 HK 416 HK MR762
    HKP-00051
    $14.95
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    $14.95
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  • On Sale
    New - H&K 21E/11E (7.62x51/.308) Extractor Spring - HKP-00815
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    HK21E, HK11E Extractor Spring

    H&K Heckler & Koch

    Now: $22.95
    Was: $24.95
    HK21E & 11E Factory Extractor Spring Made by HK Germany for all HK21E's and 11E's.
    HKP-00815
    Now: $22.95
    Was: $24.95
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    Now: $22.95
    Was: $24.95
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  • On Sale
    New - H&K HK 93/53/33 (5.56/.223) 30 Round Magazine Spring - HKP-14411
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    HK33, HK53, HK93 Magazine Spring - 30 Round

    H&K Heckler & Koch

    Now: $7.95
    Was: $8.45
    HK 93,33, & 53 Magazine Replacement Spring For Steel German HK 30-Round Magazines This is a hard-to-find and must-have spare part for your HK high-capacity mags. Please Note: Although not factory correct, these springs will work in the 25-round HK 93...
    HKP-14411
    Now: $7.95
    Was: $8.45
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    Now: $7.95
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  • Out Of Stock
    New - H&K MR556/MR762/416/417 Ambidextrous Selector Clamping Sleeve - HKP-22062

    HK416, MR556, HK417, MR762 Selector Lever Clamping Sleeve - Ambi

    H&K Heckler & Koch

    $5.95
    H&K MR556/MR762/416/417 Ambidextrous Selector Clamping Sleeve German H&K factory clamping sleeve for ambidextrous selector levers on MR556, MR762, HK416, and HK417. Compatible With: HK MR556 A1/A4 HK416 HK MR762 A1/A4 HK417
    HKP-22062
    $5.95
    Out Of Stock
    Qty in Cart: 0
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    $5.95
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  • On Sale
    New - HKP HK VP9/VP9SK, VP40 Enhanced Support Sleeve - Green - HKP-19631 HK VP9, VP9SK, VP40 Enhanced Support Sleeve - Green
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    HK VP9, VP9SK, VP40 Enhanced Support Sleeve - Green

    HKP HK Parts

    Now: $7.75
    Was: $14.96
    Enhanced Support Sleeve VP9, VP9SK & VP40 - Aluminum Alloy - Green A must-have upgrade part for the VP series of pistols! The support sleeve is found in the VP slide and is the part that depresses to allow you to remove the slide plate, firing pin...
    HKP-19631
    Now: $7.75
    Was: $14.96
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    Now: $7.75
    Was: $14.96
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  • On Sale
    New - H&K 21E/23E/11E/13E Hammer Spring - HKP-15453
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    HK21E, HK23E, HK11E, HK13E Hammer Spring

    H&K Heckler & Koch

    Now: $17.95
    Was: $19.95
    HK German HK21E, 23E, 11E & 13E Hammer Spring - German This is the heaviest HK hammer spring available for the roller lock family of firearms. The factory correct hammer spring for the beltfed series of firearms. Made in Germany and production has...
    HKP-15453
    Now: $17.95
    Was: $19.95
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    Now: $17.95
    Was: $19.95
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  • On Sale
    New - H&K HK G36 Bayonet Roll Pin - HKP-16389
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    HK G36 Bayonet Roll Pin

    H&K Heckler & Koch

    Now: $7.95
    Was: $8.95
    HK G36 Bayonet Roll Pin
    HKP-16389
    Now: $7.95
    Was: $8.95
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    Now: $7.95
    Was: $8.95
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  • Out Of Stock
    New - H&K 10 Round HK USPC/P2000 9mm Floor Plate w/ Pinky Rest - Black - HKP-01201 HK USPC, P2000 Magazine Floorplate - 9mm - 10 Round - Pinky Rest

    HK USPC, P2000 Magazine Floorplate - 9mm - 10 Round - Pinky Rest

    H&K Heckler & Koch

    $24.99
    H&K 10 Round HK USPC/P2000 9mm Floor Plate w/ Pinky Rest Compatible With: HK USP Compact 9mm HK P2000 9mm
    HKP-01201
    $24.99
    Out Of Stock
    Qty in Cart: 0
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    $24.99
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  • On Sale
    New - HK G36/SL8 (5.56/.223) Extractor Axle - HKP-18370
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    HK G36, SL8 Extractor Axle - USA

    Now: $5.95
    Was: $6.95
    HK G36, SL8 Extractor Axle- US Made New extractor axle for use on all G36, SL8 bolt heads. This part can become heavily worn and is prone to breakage. Compatible With: HK G36 models HK SL8 models
    HKP-18370
    Now: $5.95
    Was: $6.95
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    Now: $5.95
    Was: $6.95
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  • On Sale
    New - HKP HK UMP, HK USC Lower Axle - HKP-19383
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    HK UMP, USC Lower Axle Pin

    H&K Heckler & Koch

    Now: $8.95
    Was: $9.95
    HK UMP & USC Lower Axle Pin - US 3 lower axle pins are used for each trigger group or lower all the same size with the exception of the mag release axle on the USC.
    HKP-19383
    Now: $8.95
    Was: $9.95
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    Now: $8.95
    Was: $9.95
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  • On Sale
    New - MKE HK 93/53/33 Push Pin Spring - HKP-22228 MKE Push Pin Spring MKE HKP-22228
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    HK33, HK53, HK93 Push Pin Spring

    MKE

    Now: $2.19
    Was: $3.95
    MKE HK33, HK53, HK33 Push Pin Spring A must have replacement spring to have on hand. A quick and easy install spring to get your push pins back to working condition. A great replacement for those worn out springs that come loose while in action...
    HKP-22228
    Now: $2.19
    Was: $3.95
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    Qty in Cart: 0
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    Now: $2.19
    Was: $3.95
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