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 P Series Complete Spurred Hammer - HKP-16540 HK P Series Complete Spurred Hammer

    HK P Series Complete Spurred Hammer

    H&K Heckler & Koch

    $54.95
    H&K HK P Series Complete Spurred Hammer New German HK spurred hammer complete. Compatible With: All non LEM pistol below: P30, P30L, P30SK P2000 P2000 SK
    HKP-16540
    $54.95
    Qty in Cart: 0
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  • New - H&K HK USP/USPC .45 ACP New Style Extractor - HKP-01478 HK USP, USP Compact .45 ACP New Style Extractor

    HK USP, USP Compact .45 ACP New Style Extractor

    H&K Heckler & Koch

    $50.95
    New Style Extractor New HK German part with red loaded chamber indicator.  Compatible with: USP 45, USP 45 Tactical USP Compact .45, USPC .45 Tactical USP Expert
    HKP-01478
    $50.95
    Qty in Cart: 0
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    $50.95
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  • New - H&K HK MR556/MR762/416 Fire Control Detent Stop Pin - HKP-15272

    HK416, MR556, MR762 Fire Control Detent Stop Pin

    H&K Heckler & Koch

    $20.95
    H&K HK MR556/MR762/416 Fire Control Detent Stop Pin HK German manufacture. Compatible With: HK MR556 HK416 HK MR762
    HKP-15272
    $20.95
    Qty in Cart: 0
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  • New - H&K HK MR556/416 Roll Pin for Catch On Bolt Carrier - HKP-16847

    HK416, MR556 Bolt Carrier Roll Pin

    H&K Heckler & Koch

    $6.95
    Heckler and Koch HK MR556/416 Roll Pin for Catch On Bolt Carrier This roll pin is used in the bolt carrier to secure the catch. Compatible With: HK MR556 HK 416
    HKP-16847
    $6.95
    Qty in Cart: 0
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    $6.95
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  • On Sale
    New - HK G36/SL8 Extractor - HKP-18882 HK G36, SL8 Extractor

    HK G36, SL8 Extractor

    USA

    Now: $29.96
    Was: $67.95
    G36 & HK SL8 Extractor For Bolt Head Compatible With: All G36 variants SL8-1, SL8-6
    HKP-18882
    Now: $29.96
    Was: $67.95
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    Now: $29.96
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  • New - H&K 417/MR762 A4 Bolt Catch/Release - Ambi - HKP-21960 HK417, MR762A4 Bolt Catch, Release - Ambi

    HK417, MR762A4 Bolt Catch, Release - Ambi

    H&K Heckler & Koch

    $69.95
    Heckler and Koch MR762 A4 Bolt Catch/Release - Ambi Factory ambidextrous bolt catch lever for the MR762 A4.  The A4 variant of the MR762 introduced ambi controls for the bolt catch/release not previously available on the A1 variant...
    HKP-21960
    $69.95
    Qty in Cart: 0
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    $69.95
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  • New - H&K HK USP Left Side V1/5/9 Decocking Lever - HKP-01169 HK USP Decocking Lever - Left Side V1, V5, V9

    HK USP Decocking Lever - Left Side V1, V5, V9

    H&K Heckler & Koch

    $47.95
    H&K HK USP Left Side V1/5/9 Decocking Lever A Heckler and Koch genuine part. This item allows a right-handed shooter to have the safety and or decocking functions on the LEFT side of the firearm. This is to be used in conjunction with the correct...
    HKP-01169
    $47.95
    Qty in Cart: 0
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    $47.95
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  • New - H&K G36/SL8 (5.56/.223) Cocking Handle Axle Pin - HKP-01877

    HK G36, SL8 Cocking Handle Axle Pin

    H&K Heckler & Koch

    $11.95
    HK German G36 & SL8 Cocking Handle Axle Pin This is the rivet pin that is used to attach the swiveling cocking handle to the body of the carrier. These can be replaced as they break and wear.  Compatible With: HK G36 HK SL8
    HKP-01877
    $11.95
    Qty in Cart: 0
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    $11.95
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  • New - H&K HK USPC/45/45C Magazine Locking Plate - Black - HKP-02250 HK45, HK45C, USP Compact Magazine Locking Plate

    HK45, HK45C, USP Compact Magazine Locking Plate

    H&K Heckler & Koch

    $7.95
    HK USPC, 45, & 45C Magazine Locking Plate New factory German HK. Compatible With: HK45 HK45 Tactical HK45C HK45C Tactical HK USPC .45 HK USPC .45 Tactical
    HKP-02250
    $7.95
    Qty in Cart: 0
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    $7.95
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  • New - H&K HK G36/SL8 Extractor - HKP-00287 HK G36, SL8 Extractor

    HK G36, SL8 Extractor

    H&K Heckler & Koch

    $79.95
    G36 & HK SL8 German Extractor For Bolt Head New HK German. This is a great item to keep as a spare. Compatible With: All G36 Variants SL8-1, SL8-6
    HKP-00287
    $79.95
    Qty in Cart: 0
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  • New - HK 21/21E/23E/11 & Barrel Handle - HKP-00244-M HK21, HK21E, HK23E, HK11A1 Barrel Handle

    HK21, HK21E, HK23E, HK11A1 Barrel Handle

    Michaels Machines

    $74.95
    HK 21, 21E, 23E, HK11 Barrel Handle US-made barrel handle.  A great alternative for the original barrel handles that are no longer in production. Available in black or OD green and compatible with 5.56 and .308 platforms. Compatible...
    HKP-00244-M
    $74.95
    Qty in Cart: 0
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