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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  • 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...
    $849.95
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  • New - HKP HK UMP, G36 Selector Lever - HKP-20180 HK UMP, G36 Selector Lever
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    HK UMP, G36 Selector Lever

    HKP HK Parts

    $8.95
    HK UMP & G36 Left Side Safety Selector Lever With Axle - Replacement selector for HK PARTS TRIGGER GROUP HK Parts selector lever for the left side of our own 2 position FBI U.S housing for the UMP pictogram lowers. Compatible With: U.S FBI 2...
    $8.95
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  • New - GSG9 HK G36C Gas Piston Rod Spring Assembly - Black - HKP-18250 HK G36C Gas Piston Rod and Spring - Complete Assembly
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    HK G36C Gas Piston Rod and Spring - Complete Assembly

    GSG9

    $82.95
    HK German G36C Gas Piston Rod & Spring Assembly Complete A must have item for HK G36C conversions from SL8's or for spares for your G36C MG. A high wear and replacement part and a must have for spare parts.
    $82.95
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  • New - HK 416/417 Buffer Retainer - HKP-20040
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    HK 416, MR566, HK417 MR762 Buffer Retainer

    HK HAUS

    $9.95
    HK 416/417 Buffer Retainer New HK USA manufacture for the HK 416 / 417  family of firearms. Made from stainless steel.
    $9.95
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  • HK UMP (9mm) 30 Round Magazine HK UMP (9mm) 30 Round Magazine
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    HK UMP (9mm) 30 Round Magazine

    H&K Heckler & Koch

    $62.95
    HK German UMP 9mm 30 Round Factory Magazine The latest HK German production 30-round magazine is new and hard to find. Compatible With: UMP 9mm USC 9mm conversions Omega 9mm UMP/USC builds
    $62.95
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    $62.95
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  • New - HKP Tactical Rail - 6 Inch - HK91/93 - HKP-00831 HK91, G3 Tactical Rail - 6 Inch
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    HK91, G3 Tactical Rail - 6 Inch

    HKP HK Parts

    $24.95
    HKP Tactical Rail - 6 Inch The six mounting screws are also included with each rail. This rail will fit on either the left or right side or the bottom of the PTR and HK91/93 tactical handguards. Up to three rails can be used on each forearm. Compatible...
    $24.95
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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...
    $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...
    $165.00
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  • New - H&K Vertical Foregrip - HKP-18465 HK Vertical Foregrip
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    HK Vertical Foregrip

    H&K Heckler & Koch

    $96.95
    H&K Vertical Foregrip (With Slide in for LM/LLM Switch) Compatible With: HK MP5/K HK MP5SD MP7A2 HK G36/G36K/G36C HK MR556/416 HK MR762/417
    $96.95
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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.
    $5.95
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  • New - HKP HK MP5 .22LR - Universal Optic Mount - HKP-20968-M HK MP5 Optic Mount - .22LR
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    HK MP5 Optic Mount - .22LR

    HKP HK Parts

    $119.95
    HKP HK MP5 .22LR - Universal Optic Mount  The HKP universal optic mount incorporates the VP9 optic footprint, allowing the user to install any VP9 compatible optic on their MP5 .22LR with a German or HKP VP9 optic plate. Swap optics like Trijicon,...
    $119.95
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  • Out Of Stock
    Used - H&K MP5, 93/53, G3 (9mm, 5.56/.223, 7.62/.308) 3 Position (S,U,O Pictogram) Contract Housing - Clipped & Pinned - USED - HKP-20031 HK MP5, 93/53, G3 (9mm, 5.56/.223, 7.62/.308) 3 Position (S,U,O Pictogram) Contract Housing - Clipped & Pinned - USED

    HK MP5, 93/53, G3 (9mm, 5.56/.223, 7.62/.308) 3 Position (S,U,O Pictogram) Contract Housing - Clipped & Pinned - USED

    USA

    $119.95
    H&K MP5, 93/53, G3 (9mm, 5.56/.223, 7.62/.308) 3 Position (S,U,O Pictogram) Contract Housing - Clipped & Pinned - USED Upgrade your HK93 or HK53 with this S,U,O polymer lower housing, a Malaysian contract housing designed for SEF type trigger...
    $119.95
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