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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  • Out Of Stock
    New - Ergo Picatinny Rail Hand Stop - HKP-14527 Picatinny Handstop

    Picatinny Handstop

    Ergo

    $11.95
    Ergo Picatinny Rail Hand Stop Compatible with all Picatinny rails and adds a positive stop. Useful on short-barrel rifles and shotguns and can act as a hand-positioning device.
    HKP-14527
    $11.95
    Out Of Stock
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    $11.95
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  • New - Magpul AR-15 CTR 6 Position Stock- Commercial - HKP-02375 Magpul AR-15 CTR 6 Position Stock- Commercial Magpul HKP-02375
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    AR-15 Stock - CTR 6 Position - Mil-Spec

    Magpul

    $79.95
    Magpul AR-15 CTR 6 Position Stock - Mil-Spec The Magpul CTR (Compact/Type Restricted) Commercial-Spec Model is a drop-in replacement buttstock for AR15/M16 carbines using Mil-Spec-sized receiver extension tubes. The streamlined A-frame profile avoids...
    HKP-02375
    $79.95
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    $79.95
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  • New - Zenith 30 Round HK MP5 9mm Magazine - TiN Coated - HKP-21645 HK MP5 Magazine - 9mm - 30 Round - TiN Coated
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    HK MP5 Magazine - 9mm - 30 Round - TiN Coated

    Zenith

    $99.95
    Zenith 30 Round HK MP5 9mm Magazine - TiN Coated Elevate your gear with our TiN coated Zenith magazines. Each magazine begins as a regular 9mm, 30 round mag that is expertly disassembled, coated with durable TiN, and meticulously reassembled for optimal...
    HKP-21645
    $99.95
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  • New - HK UMP & G36 Pistol Grip Storage Insert - HKP-20176 HK G36, UMP Pistol Grip Storage Insert
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    HK G36, UMP Pistol Grip Storage Insert

    USA

    $16.95
    HK UMP & G36 Pistol Grip Storage Insert G36 & UMP pistol grip insert for all G36 & UMP lower housings. This is the piece that locks into place and fits in the bottom of the handle itself. This is a perfect storage location for paperwork,...
    HKP-20176
    $16.95
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  • New - H&K HK MR762/417/G28 Slim Line Stock - RAL 8K - HKP-17136 HK417, MR762, G28 Stock - Slim Line - RAL8000
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    HK417, MR762, G28 Stock - Slim Line - RAL8000

    H&K Heckler & Koch

    $145.95
    H&K HK MR762/417/G28 Slim Line Stock - RAL 8K New from HK Germany the slim line retractable stock fits all MR762, HK 417 buffer tubes. Marked with the HK logo and issued on specialized HK 417, MR762 rifles. Compatible With: HK MR762 HK 417 HK...
    HKP-17136
    $145.95
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  • New - Surefire 12-Pack 123A Batteries - HKP-02711
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    12-Pack 123A Batteries

    Surefire

    $29.95
    Surefire 12-Pack 123A Batteries Made in the USA and the "gold standard" in battery performance. These are the best performance, longest lasting 123 batteries available. The price is for a box of 12 new batteries. Ideal for use with lasers, lights,...
    HKP-02711
    $29.95
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  • New - H&K G36 (5.56/.223) 4 Position Retractable Stock - Folding - HKP-02682
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    HK G36 Retractable Buttstock - 4 Position - Folding

    H&K Heckler & Koch

    $289.95
    HK G36, G36k, G36C, & SL8 Conversion Rear Stock Assembly The G36 KV stock, as it is known, was built by HK for a military contract and is built HK tough with an overall length of 8.5 inches (fully collapsed) to 11.40 inches when fully extended. Each...
    HKP-02682
    $289.95
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  • New - H&K HK MR556/MR762/416/417 Flip Up Rear Sight - 2mm - HKP-08951 H&K HK MR556/MR762/416/417 Flip Up Rear Sight - 2mm H&K Heckler & Koch HKP-08951
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    HK416, MR556, HK417, MR762 Rear Sight - Flip Up - 2mm

    H&K Heckler & Koch

    $274.95
    H&K HK MR556/MR762/416/417 Flip Up Rear Sight - 2mm This sight attaches to any standard Picatinny rail. No hardware is needed as this is a self-contained quick-attach rear sight assembly. This unique HK-designed sight features a quick and easy push...
    HKP-08951
    $274.95
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  • New - Franklin Armory - BFSIII MP5 – Binary Trigger Group – SEF Navy Housing - HKP-19506-M HK MP5, SP5 Binary Trigger Group – SEF Navy - BFSIII - 9mm
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    HK MP5, SP5 Binary Trigger Group – SEF Navy - BFSIII - 9mm

    FA Franklin Armory

    $899.95
    Franklin Armory - BFSIII HK-C1 – Binary Trigger Group – SEF Navy Housing SEF Navy style- HK binary trigger group  Binary triggers count as 4 922r compliant components. The components that count towards 922r compliance include the trigger...
    HKP-19506-M
    $899.95
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    $899.95
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  • New - H&K HK SL8, HK G36 Magazine Release Spring - HKP-16344
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    HK SL8, G36 Magazine Release Spring

    H&K Heckler & Koch

    $9.95
    HK German G36 & SL8 Magazine Release Spring A must have spare part. Compatible With: G36 SL8
    HKP-16344
    $9.95
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  • Used - H&K HK91, G3, PTR Parkerized Backplate & Recoil Rod Assembly - Parkerized - HKP-19692 HK91, G3, PTR Backplate, Recoil Rod Assembly - Parkerized
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    HK91, G3, PTR Backplate, Recoil Rod Assembly - Parkerized

    H&K Heckler & Koch

    $34.95
    Parkerized Backplate - HK91, G3, PTR Surplus German HK backplate that has been refinished and reparkerized. 
    HKP-19692
    $34.95
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  • On Sale
    New - HKP .45 ACP 4 Prong Pistol Flash Hider - Threaded .578x28 RH - HKP-02188 HKP .45 ACP 4 Prong Pistol Flash Hider - Threaded .578x28 RH
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    HKP .45 ACP 4 Prong Pistol Flash Hider - Threaded .578x28 RH

    USA

    Now: $47.95
    Was: $74.95
    HKP .45 ACP 4 Prong Pistol Flash Hider - Threaded .578x28 RH This flash hider adds a neat look & feel that provides outstanding flash hiding capabilities. Perfect for adding a unique look to your .45 ACP. Made in the USA, each flash hider is made of...
    HKP-02188
    Now: $47.95
    Was: $74.95
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