HK Rifle / SMG Parts

HK Rifle / SMG Parts

Elevate Your HK Rifle with Premium Parts – MP5, HK416, SP5, and More!

Enhance your HK rifle with top-notch parts and accessories. From HK MP5 and HK MP5K to HK SP5 and HK UMP or HK USC, we offer a vast selection. Discover high-quality magazines, binary triggers, stocks, grips, barrels, handguards, sights, and more for your firearm. Whether you own an HK416, HK SP5K, HK G36, or HK MP5 22, we have the Heckler and Koch rifle parts you've been looking for. Shop now to upgrade your rifle to perfection.

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  • On Sale
    New - Raddlock HK 91/G3 (7.62x51/.308) Magazine Block - 10 Round - HKP-02443 HK91, G3 Magazine Block - 20 to 10 Round Conversion
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    HK91, G3 Magazine Block - 20 to 10 Round Conversion

    Raddlock

    Now: $5.95
    Was: $9.95
    HK 91, G3, & PTR 10 Round Magazine Plug The Raddlock magazine plug is designed to be installed in a 20-round magazine to limit the capacity to 10 rounds for restricted capacity states.  Compatible with both aluminum and steel magazines. We...
    HKP-02443
    Now: $5.95
    Was: $9.95
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  • New - H&K Universal Cleaning Kit - HKP-19031 HK91, G3, MSG90 Cleaning Kit - .308 to .351 Calibers
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    HK91, G3, MSG90 Cleaning Kit - .308 to .351 Calibers

    H&K Heckler & Koch

    $64.95
    New - Original HK German MSG90/HK91/G3 Cleaning Kit - Old Stock Each cleaning kit kit comes complete with brass brush, oil brush, oil tube, hand cleaning brush, and pull chain. Originally built for the G3,91 & MG3 but will work on all .308 - .351 ...
    HKP-19031
    $64.95
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  • New - HKP (5.56/.223) & (7.62x51/.308) Muzzle Brake - Threaded 15x1 RH - CA/NY Compliant - HKP-12746 HKP (5.56/.223) & (7.62x51/.308) Muzzle Brake - Threaded 15x1 RH - CA/NY Compliant
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    HKP (5.56/.223) & (7.62x51/.308) Muzzle Brake - Threaded 15x1 RH - CA/NY Compliant

    HKP HK Parts

    $24.95
    HKP (5.56/.223) & (7.62x51/.308) Muzzle Brake - Threaded 15x1 RH - CA/NY Compliant This muzzle device is a partially milled version (not completely milled) of the factory HK birdcage style flash hider found on the factory-correct HK models of rifles...
    HKP-12746
    $24.95
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  • New - RCM HK MP5 9mm Navy Barrel - Threaded 1/2x28 - 3-Lug - HKP-01162 HK MP5N Barrel - 9mm - 8.85" - Threaded 1/2x28 with 3 Lug
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    HK MP5N Barrel - 9mm - 8.85" - Threaded 1/2x28 with 3 Lug

    RCM

    $165.00
    RCM HK MP5 9mm Navy Barrel - Threaded 1/2x28 - 3-Lug This MP5N barrel is made in the USA from Cold Hammer Forged steel, providing top quality and value. It is treated with a durable nitride finish, similar to Sig Sauer's process, for a hard, resilient...
    HKP-01162
    $165.00
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  • Out Of Stock
    New - H&K Burst Eccentric Bushing - HKP-02647 HK Burst Eccentric Bushing

    HK Burst Eccentric Bushing

    H&K Heckler & Koch

    $54.95
    HK Burst Eccentric Bushing HK German factory part is found in all HK burst trigger packs. This part is in between the hammer shank hole and the inside of the trigger box hammer axle spacer. This part is one of the most common wear...
    HKP-02647
    $54.95
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  • New - H&K Catch Lever Axle For Ambidextrous Trigger Packs - HKP-01552
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    HK90 Series Catch Lever Axle - Ambi Trigger Packs

    H&K Heckler & Koch

    $5.95
    H&K Catch Lever Axle For Ambidextrous Trigger Packs This is the axle that is found in all ambidextrous trigger packs for the 90 series that retains the catch lever assembly.
    HKP-01552
    $5.95
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  • HK416, MR556 Dual Magazine Clamp New - HKP HK416/MR556 Dual Magazine Clamp - HKP-21553-M
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    HK416, MR556 Dual Magazine Clamp

    HKP HK Parts

    $49.95
    HKP HK MR556/416 Dual Magazine Clamp  Securely hold two HK Maritime 416 magazines together for fast mag swaps. Precision-machined from billet aluminum and cerakoted in the popular RAL8000 or classic black, our dual mag clamp is a must for those...
    HKP-21553-M
    $49.95
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  • New - HKP Mens Long Sleeve Bundesadler Shirt - Black - HKP-21179-M HK Men's Shirt - Long Sleeve - Bundesadler - Black
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    HK Men's Shirt - Long Sleeve - Bundesadler - Black

    HKP HK Parts

    $29.95
    HKP Mens Long Sleeve Bundesadler Shirt - Black Get your hands on some of our premium new apparel! Featuring our sleek new logo printed over soft cotton, this shirt is certain to catch an eye at the range! Features: 100%...
    HKP-21179-M
    $29.95
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  • Out Of Stock
    New - Zenith 30 Round HK MP5 Monkey Subsonic Labeled Magazine - HKP-20916 HK MP5 Magazine - Monkey Subsonic Labeled - 30 Round

    HK MP5 Magazine - Monkey Subsonic Labeled - 30 Round

    Zenith

    $43.95
    Zenith 30 Round HK MP5 Monkey Subsonic Labeled Magazine Easily identify a magazine loaded with supersonic rounds versus a magazine loaded with subsonic rounds. Features: Durable electro-plated black finish for exceptional corrosion resistance All steel...
    HKP-20916
    $43.95
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  • New - HKP MP5K/SP5K/SP89 Folding Stock Adapter - Black - HKP-20799 HK MP5K, SP5K, SP89 Folding Stock Adapter
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    HK MP5K, SP5K, SP89 Folding Stock Adapter

    HKP HK Parts

    $139.95
    HKP MP5K/SP5K/SP89 Folding Stock Adapter The HK Parts folding stock adapter is the best option to attach onto the UMP style stock or the B&T  folding stock. Will also work on any other stocks that utilizes the same mounting / folding system...
    HKP-20799
    $139.95
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  • New - Franklin Armory HK MP5-AR Binary Trigger Group - HKP-20642 HK MP5, HK94, SP5 Binary Trigger Group - Ambi - BFSIII -  9mm
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    HK MP5, HK94, SP5 Binary Trigger Group - Ambi - BFSIII - 9mm

    FA Franklin Armory

    $849.95
    Franklin Armory BFSIII HK-C1 - Trigger Group For  MP5, SP5 Our new and improved HK-AR Navy ambidextrous lower housing is now paired with Franklin Armory binary trigger pack and a Magpul MOE grip to make this complete MP5-AR style binary trigger...
    HKP-20642
    $849.95
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  • New - SB Tactical HK UMP & B&T APC Side Folding Pistol Stabilizing Brace - Black - HKP-19133 HK UMP, B&T APC Side Folding Pistol Stabilizing Brace
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    HK UMP, B&T APC Side Folding Pistol Stabilizing Brace

    SB Tactical

    $74.95
    SB Tactical HK UMP Side Folding Pistol Stabilizing Brace A skeletonized version of the SBT Pistol Stabilizing Brace, the SBTi enhances your B&T APC or HK UMP with an integral, side-folding mechanism. The SBTi variant also allows you to customize the...
    HKP-19133
    $74.95
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