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 - HK MP5 .22LR UMP Style Folding Stock - HKP-20167 HK MP5 Folding Stock - .22LR - UMP Style
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    HK MP5 Folding Stock - .22LR - UMP Style

    HKP HK Parts / Heckler & Koch

    $249.95
    HKP HK Parts and Heckler and Koch UMP Style Folding Stock with HK Parts Stock Adapter for MP5 .22LR New complete MP5 .22lr folding stock with UMP style stock section. Each stock uses a UMP style stock for a longer length of pull and a includes a new CNC...
    HKP-20167
    $249.95
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  • Out Of Stock
    New - HKP HK MR556/416 Bench Mat - HKP-17169 HK416, MR556 Bench Mat

    HK416, MR556 Bench Mat

    HKP HK Parts

    $24.95
    HK MR556, HK 416 Bench Mat Our HK MR556, HK416 bench mat is the perfect cleaning & repair mat designed specifically for your Heckler & Koch MR556 & HK416 models. Have fun and learn while you work on your favorite H&K firearm. The soft top...
    HKP-17169
    $24.95
    Out Of Stock
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    $24.95
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  • New - HKP HK MR556/416 Barrel Nut Installation/Removal Tool - HKP-17327 HK416, MR556 Barrel Nut Installation and Removal Tool
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    HK416, MR556 Barrel Nut Installation and Removal Tool

    HKP HK Parts

    $59.95
    HK 416, MR556 Barrel Nut Installation & Removal Tool New US manufactured barrel nut removal and installation tool. Each tool has the provision installed to allow the use of an off the shelf 1/2" torque wrench to be used while removing and installing...
    HKP-17327
    $59.95
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    $59.95
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  • New - HK33, HK93, HK91, HK51, HK G3 5.56 / .223 and 7.62x51/.308 Paddle Mag Release - Standard - HKP-01851 HK33, HK93, HK51, HK91, G3 Paddle Magazine Release - Standard
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    HK33, HK93, HK51, HK91, G3 Paddle Magazine Release - Standard

    H&K Heckler & Koch

    $8.95
    New Heckler and Koch Paddle Magazine Release This item is a brand new HK German genuine part, not a used or surplus part. It's used for installation on all HK .223 and .308 rifles. Compatible With: HK91, G3 HK 51 HK33, HK93 PSG1, MSG90
    HKP-01851
    $8.95
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    $8.95
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  • Out Of Stock
    New - H&K UMP (.40 S&W/.45 ACP/9mm) Paddle Mag Release - HKP-00810

    HK UMP Paddle Magazine Release - Heckler and Koch

    H&K Heckler & Koch

    $16.95
    Heckler and Koch Paddle Magazine Release for HK UMP This is a common repair and replacement part as they are easy to break on the UMP lower. Simple and easy to install with no gunsmith needed or required. Compatible With:  UMP Please...
    HKP-00810
    $16.95
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  • Used - H&K MP5, 93/53/33, G3/91 (9mm, 5.56/.223, 7.62/.308) SEF Trigger Housing - Clipped & Pinned - Excellent - HKP-19913 HK MP5, HK33, HK53, HK93, HK91, G3 Trigger Housing - SEF - Clipped and Pinned - 9mm, 5.56 / .223, 7.62 / .308 - Excellent
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    HK MP5, HK33, HK53, HK93, HK91, G3 Trigger Housing - SEF - Clipped and Pinned - 9mm, 5.56 / .223, 7.62 / .308 - Excellent

    H&K Heckler & Koch

    $149.95
    H&K MP5, 93/53/33, G3/91 (9mm, 5.56/.223, 7.62/.308) SEF Trigger Housing - Clipped & Pinned - Excellent In excellent shape! Most have never been on a firearm. They may have storage and handling marks on the polymer housing. Specifications: Made...
    HKP-19913
    $149.95
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    $149.95
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  • Out Of Stock
    New - Geissele HK 416 Trigger - HKP-16477 HK416 Trigger - Geissele SSF

    HK416 Trigger - Geissele SSF

    Geissele

    $529.95
    HK416 SSF Trigger- Geissele The Geissele Super Select-Fire (SSF) HK416 trigger is a select-fire combat trigger that Geissele Automatics developed for the U.S. Special Operations Community. The HK416 SSF is a non-adjustable combat style two-stage trigger...
    HKP-16477
    $529.95
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  • New - H&K 93/53/33 (5.56/.223) Firing Pin Spring - HKP-00193
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    HK33, HK53, HK93 Firing Pin Spring

    H&K Heckler & Koch

    $9.95
    New HK German 93, 33, & 53 .223/5.56 Firing Pin Spring. A must-have spare part as this is a high wear and replacement item.  Compatible With: HK93, 33, 53 V93/V53, C93, C53 Custom builds and clones
    HKP-00193
    $9.95
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  • Out Of Stock
    New - PTR (5.56/.223) & (7.62x51/.308) Muzzle Brake - Threaded 5/8x24 RH - CA/NY Compliant - HKP-17927 PTR Muzzle Brake - Threaded 5/8x24 RH - 5.56 / .223, 7.62x51 / .308 - CA/NY Compliant

    PTR Muzzle Brake - Threaded 5/8x24 RH - 5.56 / .223, 7.62x51 / .308 - CA/NY Compliant

    PTR

    $24.95
    PTR (5.56/.223) & (7.62x51/.308) Muzzle Brake - NY/CA Compliant - Threaded 5/8x24 RH This new muzzle brake is made in the USA to exact HK standards. The best quality and price in the country. This muzzle device is a partially milled version (not...
    HKP-17927
    $24.95
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  • HK .45 ACP Laser Bore Sighter HK .45 ACP Laser Bore Sighter
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    HK .45 ACP Laser Bore Sighter

    AIM

    $19.95
    AIM .45 ACP Laser Bore Sighter Red laser bore sighter designed for .45 ACP firearms to assist with initial optic or sight alignment. This chamber-insert style bore sighter allows users to get on target quickly before live-fire zeroing, reducing time and...
    HKP-16217
    $19.95
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    $19.95
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  • New - H&K HK G36, HK G36K Full Size Folding Stock - Black - HKP-00277
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    HK G36, 36K Folding Stock - Full Size

    H&K Heckler & Koch

    $89.95
    HK G36 or G36K Folding Stock HK G36 Stock complete for full-size G36 rifles. This is the longest stock available for G36 rifles. This is also the standard G36 and G36K stock with the standard length. Compatible With: G36 G36K G36C G36E SL8 to G36...
    HKP-00277
    $89.95
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    $89.95
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  • Used - H&K 91/G3 (7.62x51/.308) Firing Pin - Used - HKP-16710
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    HK91, G3 Firing Pin - Used

    H&K Heckler & Koch

    $6.95
    H&K 91/G3 (7.62x51/.308) Firing Pin - Used Great for spares as this is a common wear item. Compatible With: HK G3 & HK 91, PTR or clone rifles
    HKP-16710
    $6.95
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    $6.95
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