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 - B&T Stock Conversion Kit for Telescopic Brace/Stock Adapters - HKP-21725 B&T Stock Conversion Kit - Stock or Brace Adapter - Telescopic

    B&T Stock Conversion Kit - Stock or Brace Adapter - Telescopic

    B&T Brugger & Thomet

    $90.00
    B&T Stock Conversion Kit for Telescopic Brace/Stock Adapters This stock conversion kit will work on all models of telebraces with a tailhook adapter endplate. Perfect for converting you telescopic...
    HKP-21725
    $90.00
    Qty in Cart: 0
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    $90.00
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  • Out Of Stock
    On Sale
    New - HKP HK MP5 Picatinny Rail Optic Mount - Raised - BLEMISHED - HKP-21489-B HK MP5 Optic Mount - Raised - Picatinny - BLEMISHED

    HK MP5 Optic Mount - Raised - Picatinny - BLEMISHED

    HKP HK Parts

    Now: $63.22
    Was: $109.95
    HKP HK MP5 Picatinny Rail Optic Mount - Raised Mount - BLEMISHED DINGS - INSTALLATION MARKINGS COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN...
    HKP-21489-B
    Now: $63.22
    Was: $109.95
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    Now: $63.22
    Was: $109.95
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  • New - Magpul HK SP5 Adapter Brace with Stock - HKP-21411-M HK SP5 Stock With Direct Fit Adapter

    HK SP5 Stock With Direct Fit Adapter

    Magpul

    $189.95
    HK SP5 Stock With Direct Fit Adapter SP5 DT Magpul stock ready to drop in on any in-spec SP5 receiver or clone. We take our AR SP5 Adapter and attach it onto a mil-spec buffer tube. We then drop it...
    HKP-21411-M
    $189.95
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  • New - GSG9 HK G36C Forearm - Black - HKP-18216 HK G36C Handguard

    HK G36C Handguard

    GSG9

    $126.95
    GSG9 Handguard with Heat Shield and Hand Stop for HK G36C New GSG9 manufactured forearm with heat shield and hand stop fits all HK G36C's or SL8, G36 conversions sized for the G36C barrel. Each unit...
    HKP-18216
    $126.95
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  • New - HKP MP5SD 9mm Pistol Build Kit With Flat, Top Rail & Weldment Set - SEF Binary Trigger - HKP-20524

    HK MP5SD Parts Kit - Pistol Build - 9mm - Binary Trigger - Receiver Flat & Weldment Set

    HKP HK Parts

    $2,389.95
    HKP MP5SD 9mm Pistol Build Kit With Flat, Top Rail & Weldment Set - SEF Binary Trigger MP5SD 9mm parts kit complete with all the parts required for an MP5 semi-auto pistol build. Each kit comes with...
    HKP-20524
    $2,389.95
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  • New - H&K HK MR762/417 Cylindrical Pin For Stop Pin - HKP-16619

    HK417, MR762 Cylindrical Pin for Stop Pin

    H&K Heckler & Koch

    $9.95
    H&K HK MR762/417 Cylindrical Pin For Stop Pin HK 2x18 mm pin designed for use with the rear take down pin detent and spring. Compatible With: HK MR762 HK 417
    HKP-16619
    $9.95
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  • New - Heckler and Koch HK MR762, HK417 Barrel Nut - HKP-16597 Heckler and Koch

    HK417, MR762 Barrel Nut

    H&K Heckler & Koch

    $99.95
    Heckler and Koch Barrel Nut or Socket Barrel for HK MR762 - German HK A must have for any removal or work done to barrel as the barrel nut may need to be replaced. 
    HKP-16597
    $99.95
    Qty in Cart: 0
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  • New - MM HK UMP/USC (9mm) Semi Auto Bolt Carrier - HKP-02283 HK USC, USC Bolt Carrier - Semi Auto - 9mm

    HK USC, USC Bolt Carrier - Semi Auto - 9mm

    Michaels Machines

    $699.95
    HK UMP/USC (9mm) Semi Auto Bolt Carrier The semi-auto bolt group is needed for HK USC to HK UMP caliber conversions. The full-auto bolt carrier will not work in HK USC rifles.  Specifications:
    HKP-02283
    $699.95
    Qty in Cart: 0
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  • New - H&K USC (.45 ACP) Lower Locking Lever Axle - HKP-16376

    HK USC Locking Lever Axle - .45 ACP

    H&K Heckler & Koch

    $29.95
    HK USC Lower Locking Lever Axle A great item to have on hand as spares. New German HK. Compatible With: All USC lowers
    HKP-16376
    $29.95
    Qty in Cart: 0
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    $29.95
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  • New - H&K 91/G3 (7.62x51/.308) Sniper Trigger Group - Match Trigger - HKP-17031 HK91, G3 Match Trigger Group - Sniper

    HK91, G3 Match Trigger Group - Sniper

    H&K Heckler & Koch

    $749.95
    HK German SEMI .308 Trigger Group Complete For G3, 91 & PTR Models The HKP match trigger group starts life as a standard 12lb stock trigger pack before being carefully converted by the legendary...
    HKP-17031
    $749.95
    Qty in Cart: 0
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  • New - RCM HK51K (7.62x51/.308) Barrel - Threaded 15x1 RH - HKP-02392 HK51K Barrel - 7.62 / .308 - 5.3" - Threaded 15x1 RH

    HK51K Barrel - 7.62 / .308 - 5.3" - Threaded 15x1 RH

    RCM

    $164.95
    RCM HK51K (7.62x51/.308) Barrel - Threaded 15x1 RH Made to exact HK51K specifications from cold hammer forged steel, this barrel matches the quality of HK German barrels. Ideal for custom builds and...
    HKP-02392
    $164.95
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    $164.95
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