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 - H&K 91/G3 (7.62x51/.308) Mag Release Set - HKP-00929 HK91, G3 Magazine Release Set
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    HK91, G3 Magazine Release Set

    H&K Heckler & Koch

    $34.95
    Heckler and Koch Magazine Release Set (Left to Right) for HK91, G3 This HK German manufactured magazine release set for HK .308 pattern rifles consists of 4 pieces. Includes: Magazine Catch Magazine Catch Spring Push Button Clamping Sleeve to retain...
    HKP-00929
    $34.95
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  • Out Of Stock
    New - H&K HK MR556/416 Sling Loop Backplate - Ambidextrous - HKP-17151 HK416, MR556 Sling Loop Backplate - Ambidextrous

    HK416, MR556 Sling Loop Backplate - Ambidextrous

    H&K Heckler & Koch

    $29.95
    H&K HK MR556/416 Sling Loop Backplate - Ambidextrous Genuine HK German manufactured 416, MR556 new style backplate with sling loop. Compatible With: HK MR556, HK 416 buffer tubes All Standard AR-15, M4 & M16 buffer tubes
    HKP-17151
    $29.95
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  • New - HKP 91/93/33/G3 (7.62x51/.308) Enhanced HK Buffer For HK German MSG90 & PSG1 - HKP-01014 HK91, G3, HK93, HK33, PTR Buffer - Enhanced
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    HK91, G3, HK93, HK33, PTR Buffer - Enhanced

    HKP HK Parts

    $129.95
    HKP Enhanced Buffer This buffer is the factory correct style PSG1 & MSG90 stock buffer found in all factory HK PSG1, MSG90 German stocks. The overall diameter is .80" Compatible With: HK 91 G3, 93, 33, or PTR stock.
    HKP-01014
    $129.95
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  • New - HKP HK MP5, MP5SD Steel Cocking Tube Support - Universal - HKP-18089 HK MP5, MP5SD Cocking Tube Support - Universal - Steel
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    HK MP5, MP5SD Cocking Tube Support - Universal - Steel

    HKP HK Parts

    $64.95
    MP5SD, MP5 Universal All Steel Cocking Tube Support 9mm - USA Made from ordnance grade stainless steel from the factory HK German print & specs. An HK German quality part at a great price point. Each MP5 9mm cocking tube support will include the...
    HKP-18089
    $64.95
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  • New - HTA HK MP5SD Barrel Cleaning Tool - HKP-21347-M HK MP5SD Barrel Brush Cleaning Tool
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    HK MP5SD Barrel Brush Cleaning Tool

    HiTec Arms

    $119.95
    HiTec Arms barrel tool for cleaning your HK MP5SD Barrel cleaning brush tool for integrally suppressed ported barrels. This is a good tool to have on hand for any MP5SD owner to clean carbon build up and avoid your suppressor seizing on your barrel. Made...
    HKP-21347-M
    $119.95
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  • New - JMAC Universal HRD M-LOK Handstop - HKP-21235 JMAC Universal HRD M-LOK Handstop
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    JMAC Universal HRD M-LOK Handstop

    JMAC Customs

    $49.95
    JMAC Custom HRD M-LOK Handstop (H)and(R)etention(D)evice Compact, lightweight, and reversible. Features: M-LOK Compatible Fits in and across M-LOK Slots Includes mounting hardware 7075 T6 Aluminum Hard Coat Anodized The quarter-turn T-slot nuts have...
    HKP-21235
    $49.95
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  • New - Trijicon, HKP HK MP5 3.25 MOA / Optic Mount Bundle - Black - HKP-20732 HK MP5, SP5K Optic Mount - Trijicon RMR - 3.25 MOA
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    HK MP5, SP5K Optic Mount - Trijicon RMR - 3.25 MOA

    Trijicon

    $624.95
    RMR Optic Mount - Bundle - HK MP5 Includes:  (1) Trijicon RMR Type 2 Red Dot Sight - 3.25 MOA Red Dot, LED Illuminated (1) MP5 RMR Optic Mount The finest mounting solution to properly mount your RDS on your MP5 or any other receiver that utilizes...
    HKP-20732
    $624.95
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  • New - HKP Ambi Housing Franklin Armory Binary Selector Set - HKP-19816 HK Binary Selector Set - Ambi Housing
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    HK Binary Selector Set - Ambi Housing

    HKP HK Parts

    $79.95
    Aluminum HK Selector Lever Set for BFSIII HK Binary Trigger Pack - Ambi pictogram housings Our new Aluminum Selector Lever Set was modeled after the HK Ambi Style Selector Lever. Designed to work  flawlessly with  Franklin Armory Trigger Pack...
    HKP-19816
    $79.95
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  • Out Of Stock
    New - MM HK 33/91/93/G3 5.56/.223 & 7.62x51/.308 Clubfoot With Heavy Rubber Buttpad - HKP-01144 HK33, HK93, HK91, G3 Clubfoot Stock With Heavy Rubber Buttpad

    HK33, HK93, HK91, G3 Clubfoot Stock With Heavy Rubber Buttpad

    Michaels Machines

    $229.95
    US-Made Clubfoot (21E/23E Style) Central Buttstock Section With US Heavy Rubber Buttpad Fits all HK 91/G3/21/23 and HK93/33/53 backplates and buffers. Just add your buffer and backplate and you are good to go. Great replacement or upgrade for your HK...
    HKP-01144
    $229.95
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  • Out Of Stock
    New - B&T HK UMP & B&T APC Folding Stock - HKP-17441-M HK UMP, B&T APC Folding Stock

    HK UMP, B&T APC Folding Stock

    B&T Brugger & Thomet

    $140.00
    B&T Brugger and Thomet Folding Stock for HK UMP and B&T APC   Swiss manufactured B&T APC & UMP Folding stock. (NFA rules apply) Compatible With: UMP .45, .40, & 9mm USC (with UMP conversion) Omega GS offerings in 45, 40, &...
    HKP-17441-M
    $140.00
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  • New - H&K 20 Round HK MR556/416 Magazine - Black - HKP-00029 HK416, MR556 Magazine - 20 Round
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    HK416, MR556 Magazine - 20 Round

    H&K Heckler & Koch

    $74.95
    Heckler and Koch HK 20 Round HK MR556 and HK416 5.56/.223 Magazine New HK416 and HK MR556 Factory 20 Round Steel Maritime Coated Magazine. Will fit and work in all AR-15/M16 weapons. Perfect for those who need a lower profile magazine or who will be...
    HKP-00029
    $74.95
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  • New - H&K UMP/USC (.40 S&W/.45 ACP/9mm) Rear Stock Axle Pin - HKP-00604
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    HK UMP, USC Buttstock Axle Pin

    H&K Heckler & Koch

    $30.95
    HK German UMP Rear Stock Axle Pin This is the HK factory German stock pin that allows you to attach the stock to either the factory receiver of a UMP or for those that are doing the USC to UMP conversion. This is required to attach the stock to the...
    HKP-00604
    $30.95
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