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 Mark 23 Decocker C-Clip - HKP-01629
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    HK Mark 23 Decocker C-Clip

    H&K Heckler & Koch

    $19.95
    HK Mark 23 Decocking C-Clip (Lock Washer)
    HKP-01629
    $19.95
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    $19.95
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  • New - H&K HK P30 V3 Series Hammer - HKP-02503 HK P30 V3 Series Hammer
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    HK P30 V3 Series Hammer

    H&K Heckler & Koch

    $55.95
    HK P30 V3 Series Hammer New German HK production. Compatible With: HK P30 V3 HK P30L V3 HK P30LS V3 HK P30SK V3
    HKP-02503
    $55.95
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    $55.95
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  • Out Of Stock
    New - H&K HK USP Old Style Catch - HKP-01932 HK USP Old Style Catch

    HK USP Old Style Catch

    H&K Heckler & Koch

    $39.95
    HK USP Old Style Catch   Compatible With: HK USP 9mm HK USP 40
    HKP-01932
    $39.95
    Out Of Stock
    Qty in Cart: 0
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    $39.95
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  • On Sale
    Used - HKP HK P30 Series Enhanced Magazine Release - BLEMISHED - HKP-21153-M-B
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    HK P30 Series Magazine Release - Enhanced - BLEMISHED

    HKP HK Parts

    Now: $34.95
    Was: $49.95
    HKP HK P30 Series Enhanced Magazine Release - BLEMISHED ONLY 1 UNIT LEFT - SOLD INDIVIDUALLY HK Parts Enhanced and Over-sized Magazine Release. The oversized magazine Release increases the overall surface area and makes it possible to release the...
    HKP-21153-OR
    Now: $34.95
    Was: $49.95
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    Now: $34.95
    Was: $49.95
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  • New - H&K CC9 Firing Pin Return Spring - HKP-22137
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    HK CC9 Firing Pin Return Spring

    H&K Heckler & Koch

    $5.95
    H&K CC9 Firing Pin Return Spring OEM firing pin return spring for the CC9 pistol that regulates firing pin movement during cycling to ensure reliable function.   Compatible With: HK CC9  
    HKP-22137
    $5.95
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    $5.95
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  • New - H&K CC9 Extractor Buffer - HKP-22131
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    HK CC9 Extractor Buffer

    H&K Heckler & Koch

    $5.95
    H&K CC9 Extractor Buffer Made in Germany by H&K, the extractor buffer for the CC9 cushions extractor movement and reduces wear during cycling. Compatible With: HK CC9  
    HKP-22131
    $5.95
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    $5.95
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  • New - H&K MR556/MR762 A4 Disconnector - HKP-21969
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    HK MR556, MR762 A4 Disconnector

    H&K Heckler & Koch

    $18.95
    H&K MR556/MR762 A4 Disconnector Factory H&K disconnector for use in MR556 A4 and MR762 A4 platforms.   Compatible With: HK MR556 A1/A4 HK MR762 A1/A4  
    HKP-21969
    $18.95
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    $18.95
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  • On Sale
    New - HK 416 Bolt Hold Open Catch - HKP-99101 HK416 Catch - Bolt Hold Open
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    HK416 Catch - Bolt Hold Open

    USA

    Now: $19.95
    Was: $39.95
    HK 416 Bolt Hold Open Catch US-made bolt hold open catch for the HK 416. Compatible  With: HK 416 THIS CLOSEOUT PART IS NOT ELIGIBLE FOR RETURN, REFUND, OR EXCHANGE.  SALE IS FINAL.  
    HKP-99101
    Now: $19.95
    Was: $39.95
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    Now: $19.95
    Was: $39.95
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  • Out Of Stock
    New - Michaels Machines HK21E/PSG1/MSG90 Extractor - HKP-21632 HK21E, HK23E, PSG1, PTR Extractor

    HK21E, HK23E, PSG1, PTR Extractor

    Michaels Machines

    $275.95
    Michaels Machines HK21E, HK23E, PSG1, MSG90 Extractor Replacement extractor for HK21E, HK23E, PSG1, and MSG90 bolt heads. Extractors are a known wear item on these platforms and are no longer produced by HK. The Michaels Machines extractor is a precise,...
    HKP-21632
    $275.95
    Out Of Stock
    Qty in Cart: 0
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    $275.95
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  • New - H&K VP9SK, VP40SK Backstrap - Small - OD Green - HKP-18971 HK VP9SK, VP40SK Backstrap - Small - OD Green
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    HK VP9SK, VP40SK Backstrap - Small - OD Green

    H&K Heckler & Koch

    $29.95
    H&K VP9SK, VP40SK Back Strap - Small - OD Green New HK German manufacture. Compatible With: HK VP9SK HK VP40SK
    HKP-18971
    $29.95
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    $29.95
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  • Out Of Stock
    New - HKP HK VP9, HK VP9SK, HK VP40 Enhanced Slide Cap w/ Firing Pin Window - Titanium - HKP-17943 HK VP9,  VP9SK, VP40 Enhanced Slide Cap - Firing Pin Window - Titanium

    HK VP9, VP9SK, VP40 Enhanced Slide Cap - Firing Pin Window - Titanium

    HKP HK Parts

    $59.95
    Enhanced Slide Plate Cover VP9, VP9SK & VP40 - Titanium With Firing Pin Viewing Window Enhanced HK VP9, VP40 Titanium slide plate in natural titanium alloy. The "enhanced" slide plate cover includes the firing pin viewing window. The enhanced slide...
    HKP-17943
    $59.95
    Out Of Stock
    Qty in Cart: 0
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    $59.95
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  • New - H&K HK VP9/VP9SK, HK VP40 Incomplete Trigger - Black - HKP-16777 HK VP9, VP9SK, VP40 Trigger - Incomplete
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    HK VP9, VP9SK, VP40 Trigger - Incomplete

    H&K Heckler & Koch

    $16.95
    H&K HK VP9/VP9SK, HK VP40 Incomplete Trigger - Black
    HKP-16777
    $16.95
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    $16.95
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