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 - HK G36/SL8 (5.56/.223) Factory Recoil Buffer - HKP-18541
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    HK G36, SL8 Recoil Buffer - Factory - US

    USA

    $16.95
    HK G36 Or SL8 Factory Recoil Buffer A must have spare part as the buffer is prone to wear and breakage. Compatible With: All HK G36 models SL8 models Clones
    HKP-18541
    $16.95
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  • New - HKP VP9/VP9L Optic Ready Slide Filler Plate - HKP-21077-M HK VP9, VP9L Optic Plate Cover - Filler Plate
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    HK VP9, VP9L Optic Plate Cover - Filler Plate

    HKP HK Parts

    $29.95
    HK VP9 & VP9L Optic Ready Slide Filler Plate - Aluminum Each plate is CNC machined from a solid billet of aircraft-grade aluminum and anodized black. Ultra lightweight and contoured to match the profile and styling of the HK VP series slide. Made in...
    HKP-21077-M
    $29.95
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  • New - H&K USP Detent Plate Variant 5, 6, 9 & 10 - HKP-01247 HK USP Detent Plate - V5, V6, V9, V10
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    HK USP Detent Plate - V5, V6, V9, V10

    H&K Heckler & Koch

    $19.95
    HK Detent Plate For USP Variant 5, 6, 9, & 10 Conversions This plate, when installed, will allow you to have the "safety" only and NO decock function on your pistol. This plate will fit and work for both left-hand and right-hand setups. Compatible...
    HKP-01247
    $19.95
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  • New - H&K Elbow Spring Spacer For Full-Auto - HKP-03330 HK MP5SF Elbow Spring Bushing Sleeve
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    HK MP5SF Elbow Spring Bushing Sleeve

    H&K Heckler & Koch

    $5.95
    Heckler and Koch replacement distance sleeve for MP5SF elbow spring with roller  Features: Precision-machined elbow spring and roller used in traditional roller-delayed trigger packs. Original HK design ensures perfect trigger geometry, smooth...
    HKP-03330
    $5.95
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  • New - H&K HK USPC 9mm 13 Round Magazine Floor Plate w/ Pinky Rest - HKP-00969 HK USPC, P2000 Magazine Floorplate - 9mm -13 Round - Pinky Rest
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    HK USPC, P2000 Magazine Floorplate - 9mm -13 Round - Pinky Rest

    H&K Heckler & Koch

    $22.95
    New HK German Magazine Floorplate With Finger Rest Compatible With: HK USP Compact 9mm 13-round magazine HK P2000 9mm 13-round magazine
    HKP-00969
    $22.95
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  • New - H&K 12 Round HK P2000/USPC .40 S&W Magazine Spring - HKP-01481
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    HK P2000, USPC Magazine Spring - 12 Round - .40 S&W

    H&K Heckler & Koch

    $5.95
    HK USPC .40 & P2000 40 S&W 12 Round Magazine Spring Newer improved, latest production, upgraded spring designed for a stiffer spring tension required by several US government agencies.  Compatible With: HK P2000 .40 S&W 12-round...
    HKP-01481
    $5.95
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  • New - RCM HK 93/53/33 (5.56/.223) Extractor - HKP-14962 HK33, HK53, HK93 Extractor
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    HK33, HK53, HK93 Extractor

    RCM

    $29.95
    RCM HK 93/53/33 (5.56/.223) Extractor New US-made HK RCM HK 93, HK 33, HK 53 .223/5.56 Extractor. Each unit is made with an enhanced material and polished for optimum feeding and extraction. This is simply the finest HK93,33,53 extractor available. A...
    HKP-14962
    $29.95
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  • New - H&K HK USP Left Side V3 Decocking Lever - HKP-01168
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    HK USP Left Side V3 Decocking Lever

    H&K Heckler & Koch

    $59.95
    H&K HK USP Left Side V3 Decocking Lever V3 decock only lever for right-handed operation. German HK V3 lever for full-size USP's. When used along with the V3 - V4 detent plate, it will convert to decock only - no safety. For use with right-handed...
    HKP-01168
    $59.95
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  • New - HK 416/417 Buffer Retainer - HKP-20040
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    HK 416, MR566, HK417 MR762 Buffer Retainer

    HK HAUS

    $9.95
    HK 416/417 Buffer Retainer New HK USA manufacture for the HK 416 / 417  family of firearms. Made from stainless steel.
    HKP-20040
    $9.95
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  • Out Of Stock
    New - H&K HK MR556/MR762/416/417/AR-15 Selector Detent Spring - HKP-02657

    HK416, HK417, MR556, MR762, AR-15 Selector Detent Spring

    H&K Heckler & Koch

    $9.99
    H&K HK MR556/MR762/416/417/AR15 Selector Detent Spring HK German manufacture. Compatible With: HK MR556 HK 416 HK MR762 HK 417 AR15, M4 & M16
    HKP-02657
    $9.99
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  • New - H&K HK USP Series Old Style Firing Pin Block Spring - HKP-02149
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    HK USP Series Firing Pin Block Spring - Old Style

    H&K Heckler & Koch

    $9.95
    HK USP Series Old Style Firing Pin Block Spring In order to use the new firing pin block spring, you also have to upgrade the firing pin, firing pin block, as well as the firing pin block spring. HK part #214192 has been replaced with...
    HKP-02149
    $9.95
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  • New - H&K -6 Roller For Bolt Head 7.94mm - Under-sized - HKP-00342 HK -6 Roller For Bolt Head 7.94mm - Under-sized
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    HK -6 Roller For Bolt Head 7.94mm - Under-sized

    H&K Heckler & Koch

    $27.95
    H&K -6 Roller For Bolt Head 7.94mm - Under-sized New HK German -6 roller that measures 7.94mm. For use with all HK 90 series firearms.  Please Note: The price listed is per roller. Order 2 (pair) for a complete set for the bolt head. An easy way...
    HKP-00342
    $27.95
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