Parts

Parts

At HK Parts, we offer a wide range of high-quality Heckler and Koch accessories and components for your favorite firearms. Whether you are upgrading a Heckler and Koch pistol or rifle, or building with parts kits, we have you covered. Explore top-rated components for VP9, USP, P30, MP5, MP5K, G36, HK416, and more. From triggers, barrels, and grips to magazines, stocks, and sights, find the parts you need to enhance performance, reliability, and function.

Popular upgrades include match triggers, threaded barrels, compensators, optic plates, and extended magazines. Rifle owners often add enhanced stocks, forearms, and ambidextrous controls.
MP5 and MP5K kits are top sellers, giving shooters authentic components for iconic builds. G36 and HK416 kits are also highly sought after by collectors and professionals alike.
HKP offers the world’s largest H&K-focused catalog, with better availability, faster fulfillment, and expert support compared to general retailers.

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  • On Sale
    Used - H&K German Bayonet Adapter With Hardware - USED - BLEMISHED - HKP-00021-B HK Bayonet Adapter - W/ Screw and Hardware - German - USED
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    HK Bayonet Adapter - W/ Screw and Hardware - German - USED

    H&K Heckler & Koch

    Now: $119.95
    Was: $149.95
    H&K German Bayonet Adapter - W/ Screw & Hardware - USED   USED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL USED PART SALES ARE FINAL. DOES NOT COME WITH HARDWARE HK German Bayonet Adapter W/ Screw...
    HKP-00021-USED
    Now: $119.95
    Was: $149.95
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    Now: $119.95
    Was: $149.95
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  • On Sale
    New - JMAC HK MP5 9mm Muzzle Device - Compatible With KeyMo Suppressors - Threaded 1/2x28 - HKP-21256 JMAC HK MP5 9mm Muzzle Device - Compatible With KeyMo Suppressors - Threaded 1/2x28
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    JMAC HK MP5 9mm Muzzle Device - Compatible With KeyMo Suppressors - Threaded 1/2x28

    JMAC Customs

    Now: $77.95
    Was: $99.95
    JMAC HK MP5 9mm Muzzle Device - Compatible With KeyMo Suppressors - Threaded 1/2x28 The360HDis the latest evolution in JMac's Custom's™Recoil Reduction Device™ (RRD)family of muzzle brakes, designed to meet the needs of serious shooters and...
    HKP-21256
    Now: $77.95
    Was: $99.95
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    Now: $77.95
    Was: $99.95
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  • New - Wilson Combat HK VP/45C/P30 Vickers Elite Battlesight - Black - HKP-18382 HK VP9, P30, HK45C Battle Sight - Vickers Elite
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    HK VP9, P30, HK45C Battle Sight - Vickers Elite

    Wilson Combat

    $49.95
    Wilson Combat HK VP/45C/P30 Vickers Elite Battlesight The high profile Vickers Elite Battlesight rear has a .165" wide, deep U-Notch for optimum sighting in low-light, dynamic range conditions and is a perfect match to our .140" wide front sights. The...
    HKP-18382
    $49.95
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    $49.95
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  • New - H&K 3 Round Count Burst Wheel for 4 Position Trigger Packs - HKP-01639
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    HK 3 Round Count Burst Wheel for 4 Position Trigger Packs

    H&K Heckler & Koch

    $127.95
    H&K 3 Round Count Burst Wheel For 4 Position Trigger Packs  
    HKP-01639
    $127.95
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  • On Sale
    New - HKP HK 91/G3/MP5 Ambidextrous Selector Lever - Right Side - Low Profile - HKP-17898 HK91, G3, MP5 Ambidextrous Selector Lever - Right Side - Low Profile
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    HK91, G3, MP5 Ambidextrous Selector Lever - Right Side - Low Profile

    HKP HK Parts

    Now: $22.95
    Was: $39.95
    Low Profile, No Contact - Ambidextrous Selector Lever - Right Side This is the right side selector of the ambidextrous trigger packs that is low profile and does not interfere with the hand when the selector lever is in the fire, burst and F/A...
    HKP-17898
    Now: $22.95
    Was: $39.95
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    Now: $22.95
    Was: $39.95
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  • New - H&K MP5 & 93/53/33 (9mm & 5.56/.223) SEF Navy Style Polymer Housing - Push Pin - HKP-02462 HK MP5, HK33, HK53, HK93 Trigger Housing - SEF Navy - Polymer - Push Pin - 9mm, 5.56 / .223
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    HK MP5, HK33, HK53, HK93 Trigger Housing - SEF Navy - Polymer - Push Pin - 9mm, 5.56 / .223

    H&K Heckler & Koch

    $129.95
    H&K MP5 & 93/53/33 (9mm & 5.56/.223) SEF Navy Style Polymer Housing - Push Pin Upgrade your older SEF contoured trigger pack with this Navy Style polymer housing, designed to enhance the look and feel of your HK firearm. Specifications: Push...
    HKP-02462
    $129.95
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    $129.95
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  • Used - Friction Sear-USED For SEF, Navy Trigger Packs - HKP-16197 HK MP5, HK33, HK53, HK93, HK91, G3 Catch with Roller for SEF, Navy Trigger Packs - USED
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    HK MP5, HK33, HK53, HK93, HK91, G3 Catch with Roller for SEF, Navy Trigger Packs - USED

    H&K Heckler & Koch

    $4.49
    Friction Sear-USED For SEF, Navy Trigger Packs hk335393, 91, G3,  Used in excellent condition, HK German Friction Sear for SEF & Navy trigger packs. This item is also referred to as the catch with roller but more commonly called a sear.
    HKP-16197
    $4.49
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    $4.49
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  • AR-15 Super Safety - Forced Reset Selector - Ambidextrous Levers AR-15 Super Safety - Forced Reset Selector - Ambidextrous Levers
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    AR-15 Super Safety - Forced Reset Selector - Ambidextrous Levers

    Atrius

    $249.95
    Atrius Ambidextrous Lever Forced Reset Selector for AR-15 Style Firearms The Atrius Forced Reset Selector gives AR-15 users three selector positions: SAFE, SEMI, and FULL SEMI. It is designed for mil-spec fire control groups in .223, 5.56, and 300 BLK...
    HKP-22349
    $249.95
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    $249.95
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  • New - SB Tactical HK MP5 .22LR Folding Brace - Skeletonized - HKP-21053 HK MP5 Folding Brace - .22LR - Skeletonized
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    HK MP5 Folding Brace - .22LR - Skeletonized

    HKP HK Parts / SB Tactical

    $249.95
    Side Folding Brace For The HK MP5 .22 model A drop in folding brace for your MP5 .22 model pistol. Made from aircraft grade aluminum, QD sling attachment point and a beautiful anodize finish. This is the finest option for your MP5 .22 pistol. Available...
    HKP-21053
    $249.95
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    $249.95
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  • New - HKP HK G3,91,PTR, 93,33 & MP5, 94 Pinned Hammer Strut - HKP-20315 HK MP5, HK90 Series Pinned Hammer Strut
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    HK MP5, HK90 Series Pinned Hammer Strut

    HKP HK Parts

    $13.95
    HKP HK G3,91,PTR, 93,33 & MP5, 94 Pinned Hammer Strut New USA hammer strut for 90 series rifles and pistols. A perfect spare to have on hand. This is a pinned hammer spring shank. Perfect for your HK project or rebuild. Compatible With: HK trigger...
    HKP-20315
    $13.95
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    $13.95
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  • New - H&K HK VP9SK/P30SK/P2000SK 9mm Magazine Locking Plate - HKP-16650 HK VP9SK, P30SK, P2000SK Magazine Locking Plate - 9mm
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    HK VP9SK, P30SK, P2000SK Magazine Locking Plate - 9mm

    H&K Heckler & Koch

    $8.95
    HK P2000SK, VP9SK & P30SK 9mm 10 Round Magazine Locking Plate For Magazine Works with the P2000SK, VP9SK and P30SK sub compact (SK) magazine models only. Compatible With: HK P30 SK HK P2000 SK HK VP9SK
    HKP-16650
    $8.95
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    $8.95
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  • HK45, HK45C, USP Compact Magazine Follower HK45, HK45C, USP Compact Magazine Follower
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    HK45, HK45C, USP Compact Magazine Follower

    H&K Heckler & Koch

    $9.95
    HK USPC, 45, & 45C Magazine Follower A great spare to have on hand as the follower is a wear and replacement part. Do not forget to order spare magazine springs while you are at it. HK German manufacture. Compatible With: HK USPC .45 HK USPC .45...
    HKP-02249-M
    $9.95
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    $9.95
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