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 HK MP5SD Barrel Port Brush Replacement Cartridge - HKP-21294 HK MP5SD Barrel Port Cleaning Brush Replacement Cartridge
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    HK MP5SD Barrel Port Cleaning Brush Replacement Cartridge

    HKP HK Parts

    $38.75
    HKP MP5SD Replacement Cartridge for Barrel Port Brush Replacement cartridge for HK MP5SD barrel port brush. Our replacement cartridge is compatible with factory HK barrel brush assemblies. Compatible With: HK MP5SD  
    HKP-21294
    $38.75
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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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  • 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
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    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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    $24.95
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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
    Used - H&K 91/G3 (7.62x51/.308) Fixed Stock Complete - Black - Surplus - HKP-18936

    HK91, G3 Fixed Complete, Complete - Surplus

    H&K Heckler & Koch

    $129.95
    German G3, 91, PTR Stock complete - Surplus Used black German surplus stock complete. Ready to install on your HK or clone rifle. Used in perfect working condition and each stock includes all parts to be a complete stock ready to use on your HK G3, 91,...
    HKP-18936
    $129.95
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  • Out Of Stock
    HK MP5, MP5K Cocking Handle - Enhanced HK MP5, MP5K Cocking Handle - Enhanced

    HK MP5, MP5K Cocking Handle - Enhanced

    HKP HK Parts

    $39.95
    HKP HK MP5, MP5K Cocking Handle - Enhanced The HKP enhanced cocking handle is just like our MP5 extended cocking handle but was designed to also function with UTG monolithic M-LOK handguards. Available exclusively at HK Parts. Specifications: Made...
    HKP-22382
    $39.95
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  • New - Maglula HK 91/G3 (7.62x51/.308) Magazine Loader - HKP-16228 HK91, G3 Magazine Loader
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    HK91, G3 Magazine Loader

    Maglula

    $29.95
    HK91, G3, PTR .308 LULA Mag Loader For those that have used Maglula products they offer the best mag loaders on the planet. Features: Loads a round a second, can unload the entire 20 round magazine in less than 3 seconds Safe on fingers and magazine...
    HKP-16228
    $29.95
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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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  • Out Of Stock
    New - H&K HK MR556/416/416 A5 Slim Line Stock - RAL 8K - HKP-17602 HK416, HK416A5, MR556 Slim Line Buttstock - RAL8000

    HK416, HK416A5, MR556 Slim Line Buttstock - RAL8000

    H&K Heckler & Koch

    $94.95
    HK Heckler and Koch Slim Line Retractable Stock in RAL 8K for HK416, HK416 A5, and HK MR556 New from HK Germany the slim line retractable stock fits all commercial & mil-spec AR-15/M16 buffer tubes. Marked with the HK logo and issued on...
    HKP-17602
    $94.95
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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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  • 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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  • New - H&K HK MR556/416 Mil-Spec German E1 Rear Stock - Black - HKP-00052 HK416, MR556 E1 Buttstock - Mil-Spec German
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    HK416, MR556 E1 Buttstock - Mil-Spec German

    H&K Heckler & Koch

    $222.95
    H&K Heckler and Koch Mil-Spec German E1 Stock for HK416 and HK MR556 The HK E1 Buttstock fits mil-spec buffer tubes (receiver extensions) for M4, AR15-type weapons. Each stock comes with the convex buttpad as found on factory-issued HK 416s...
    HKP-00052
    $222.95
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    $222.95
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