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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  • Out Of Stock
    New - HKP HK 416C 9" Complete Upper Receiver Assembly - HKP-21042 HK416C Upper Receiver Kit - 9"

    HK416C Upper Receiver Kit - 9"

    HKP HK Parts

    $2,799.95
    HK416C Complete Upper Kit - 9"  Our complete 416C upper kit includes everything you need to pair with a mil-spec lower or an STS 416C lower. For that genuine look, the STS 416C lower with the correct 416C stock eyelets is as good as you can get...
    HKP-21042
    $2,799.95
    Out Of Stock
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    $2,799.95
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  • Out Of Stock
    On Sale
    New - B&T TP9/MP9 Camo Holster - Swiss Military - HKP-20980 B&T TP9, MP9 Holster - Camo - Swiss Military

    B&T TP9, MP9 Holster - Camo - Swiss Military

    B&T Brugger & Thomet

    Now: $74.95
    Was: $125.00
    B&T TP9/MP9 Camo Holster - Swiss Military The B&T TP9 tactical leg holster is perfect for your TP9 or MP9 Pistol. This drop leg holster is fully adjustable both up and down and tightness around the leg. If you're looking for a tactical holster...
    HKP-20980
    Now: $74.95
    Was: $125.00
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  • On Sale
    New - TPM Ruger Bolt Shroud - Bronze - HKP-20905 Ruger 10/22 Bolt Shroud - Bronze
    Add to Cart

    Ruger 10/22 Bolt Shroud - Bronze

    Tactical Precision MFG

    Now: $27.95
    Was: $66.99
    Tactical Precision MFG Ruger 10/22 Bronze Bolt Shroud  This Ruger American rifle bolt shroud is hands down the best RAR bolt shroud on the market. Each bolt shroud is made in house on a five-axis Swiss lathe to exacting tolerances out of grade 5...
    HKP-20905
    Now: $27.95
    Was: $66.99
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    Was: $66.99
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  • On Sale
    New - TPM Tikka T3 Bolt Handle Upgrade - HKP-20901 Tikka T3 Bolt Handle - Upgrade
    Add to Cart

    Tikka T3 Bolt Handle - Upgrade

    Tactical Precision MFG

    Now: $34.95
    Was: $69.99
    TPM Tikka T3 Bolt Handle Upgrade Designed for exact Tikka specs. Tikka T3 upgraded bolt handle is 17-4 stainless steel for optimal strength and durability. This upgraded bolt handle was designed with a 20-degree angle to help improve bolt manipulation...
    HKP-20901
    Now: $34.95
    Was: $69.99
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    Now: $34.95
    Was: $69.99
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  • New - HKP Baseball Trucker Snapback Cap - OSFM - Black & Gray - HKP-20713 HKP Hat - Snapback - Baseball - OSFM - Black and Gray
    Add to Cart

    HKP Hat - Snapback - Baseball - OSFM - Black and Gray

    HKP HK Parts

    $17.95
    HKP Baseball Trucker Snapback Cap - OSFM - Black & Gray Get your hands on some of our premium hats!   Features: Official HKP merchandise Cotton twill Mesh back panels Plastic adjustable snap closure Size: OSFM Six-panel
    HKP-20713
    $17.95
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    $17.95
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  • New - HKP Baseball Trucker Snapback Cap - OSFM - Black & OD Green - HKP-20712 HKP Hat - Snapback - Baseball - OSFM - Black and OD Green
    Add to Cart

    HKP Hat - Snapback - Baseball - OSFM - Black and OD Green

    HKP HK Parts

    $17.95
    HKP Baseball Trucker Snapback Cap - OSFM - Black & OD Green Get your hands on some of our premium hats!   Features: Official HKP merchandise Cotton twill Mesh back panels Plastic adjustable snap closure Size: OSFM Six-panel
    HKP-20712
    $17.95
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    Qty in Cart: 0
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    $17.95
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  • New - B&T Quick Detach Aluminum Unigrip - Black - HKP-19473 B&T Unigrip - Quick Detach - Aluminum
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    B&T Unigrip - Quick Detach - Aluminum

    B&T Brugger & Thomet

    $150.00
    B&T Quick Detach Aluminum Unigrip - Black This simple fore grip is designed to be mounted on the NAR/Picatinny rail of the gun. The grip is hollow and can be used as a storage compartment after unscrewing the bottom lid. Thanks to the QD mount, the...
    HKP-19473
    $150.00
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    Qty in Cart: 0
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    $150.00
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  • New - HKP HK USC, HK UMP Cocking Handle Assembly - HKP-19155
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    HK USC, UMP Cocking Handle Assembly - Complete

    HKP HK Parts

    $149.95
    HKP Cocking Handle Assembly for HK USC, UMP Complete cocking handle assembly for HK USC and HK UMP platforms. US-made and built to factory-spec dimensions and includes all required components for proper function and replacement. Includes: Steel cocking...
    HKP-19155
    $149.95
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  • New - Comp-Tac HK P30, HK 45C RH Paddle Holster - Black - HKP-18815 HK45C, P30 Holster - Paddle -RH
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    HK45C, P30 Holster - Paddle -RH

    Comp-Tac

    $84.95
    Comp-Tac HK P30, HK 45C RH Paddle Holster The Comp-Tac Paddle Holster is an all-Kydex outside the waistband holster that may be worn for competition, general use or concealed carry. The paddle is designed to be worn at 3:00 for the right handed shooter...
    HKP-18815
    $84.95
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    $84.95
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  • On Sale
    New - HKP .40 S&W Micro Comp - 14.5x1 LH - HKP-20596 Micro Comp - Threaded 14.5x1 LH - .40 S&W
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    Micro Comp - Threaded 14.5x1 LH - .40 S&W

    HKP HK Parts

    Now: $19.95
    Was: $49.95
    HKP .40 S&W Micro Comp - 14.5x1 LH   This lightweight micro comp serves as both a compensator and thread protector. It attaches easily to any factory spec 14.5x1 LH .40 S&W barrel.   Specifications: Threaded 14.5x1 LH Compatible...
    HKP-20596
    Now: $19.95
    Was: $49.95
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    Now: $19.95
    Was: $49.95
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  • New - Lee Sporting LS5 HK MP5 Complete Trigger Group- Flat Trigger Semi-shelf - HKP-20483 Lee Sporting LS5 HK MP5 Complete Trigger Group- Flat Trigger Semi-shelf
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    Lee Sporting LS5 HK MP5 Complete Trigger Group- Flat Trigger Semi-shelf

    Lee Sporting / Magpul

    $549.95
    Lee Sporting Complete Trigger Group - MP5 - Flat Trigger Semi-shelf The LS5 trigger group from Lee Sporting is a definitive ergonomic upgrade over the OEM grip, boasting a weight reduction of 4.3oz compared to the original. This billet aluminum trigger...
    HKP-20483
    $549.95
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    $549.95
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  • New - H&K German Ambidextrous Sling Pin Replacement O-Ring - HKP-19985
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    HK German Ambidextrous Sling Pin Replacement O-Ring

    H&K Heckler & Koch

    $5.95
    H&K German Ambidextrous Sling Pin Replacement O-Ring HK ambidextrous sling pin replacement O-ring for all ambidextrous sling pins. Brand new factory German manufacture. This item is a common wear/breakage part that does need to be replaced from time...
    HKP-19985
    $5.95
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    $5.95
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