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 - 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...
    HKP-00831
    $24.95
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    $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...
    HKP-12746
    $24.95
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  • New - H&K G3 Standard Buffer Locking Plate - HKP-16982
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    HK G3 Standard Buffer Locking Plate

    H&K Heckler & Koch

    $1.49
    H&K G3 Standard Buffer Locking Plate This is the plate used with the large buffer screw in the standard buffer.
    HKP-16982
    $1.49
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    $1.49
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  • New - HKP HK MP5F Flat - Alternate Holes - HKP-21551 HK MP5F Receiver Flat - Alternate Holes
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    HK MP5F Receiver Flat - Alternate Holes

    HKP HK Parts

    $125.95
    HKP HK MP5F 9mm Flat - Alternate Holes MP5 receiver flat crafted by the original German tool and die maker of the LSC receiver flat using factory original German prints and specifications. This receiver features alternate holes for the correct MP5F or...
    HKP-21551
    $125.95
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    $125.95
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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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    $29.95
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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,...
    HKP-20968-M
    $119.95
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    $119.95
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  • New - HKP HK MP5 .22LR Brace/Stock Adapter - HKP-20795-M HKP HK MP5 .22LR Brace/Stock Adapter
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    HKP HK MP5 .22LR Brace/Stock Adapter

    HKP HK Parts

    $99.95 - $109.95
    HKP HK MP5 .22LR Brace/Stock Adapter This is the perfect folding stock adapter to replace the polymer end cap on your MP5 .22.  CNC machined from a solid billet of aircraft grade aluminum and cerakoted for a durable finish.  Compatible with any...
    HKP-20795-M
    $99.95 - $109.95
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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...
    HKP-20031
    $119.95
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    $119.95
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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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    $74.95
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  • New - Maglula Gen 2 AR-15 5.56/.223 Mag Loader/Unloader - HKP-14545 Maglula Gen 2 AR-15 5.56/.223 Mag Loader/Unloader
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    Maglula Gen 2 AR-15 5.56/.223 Mag Loader/Unloader

    Maglula

    $26.95
    Maglula Magazine Loader/Unloader - Generation 2, Lula, 223 Rem/556NATO, Fits AR-15 - Black The Maglula LULA magazine loader & unloader AR-15 for 223 Remington / 5.56mm NATO is a mil-spec tool that allows you to load and unload magazines fast,...
    HKP-14545
    $26.95
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    $26.95
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  • New - H&K UMP/USC (.40 S&W/.45 ACP/9mm) Front Sight - HKP-00254 HK UMP, USC Front Sight - 9mm / .40 S&W / .45 ACP
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    HK UMP, USC Front Sight - 9mm / .40 S&W / .45 ACP

    H&K Heckler & Koch

    $14.95
    New HK German Factory USC/UMP Front Sight This is a common wear or breakage part. This part is easy to swap out by just knocking out the roll pin, replacing it, and then re-inserting the roll pin. This is a common wear or breakage part. Compatible with...
    HKP-00254
    $14.95
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    $14.95
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  • New - Nefarious Arms HK 416 Reaction Rod - HKP-21272 HK416 Reaction Rod
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    HK416 Reaction Rod

    Nefarious Arms

    $124.95
    Nefarious Arms - Reaction Rod - HK 416  The Nefarious Arms H&K 416 Reaction Rod is used to securely hold the upper receiver in a bench vise so that work may be performed on the muzzle device. It is inserted through the rear of the upper receiver...
    HKP-21272
    $124.95
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    $124.95
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