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 - Magpul Moe K2 AR Grip - HKP-19567 HK416, MR556 Vertical Grip - AR - Moe K2
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    HK416, MR556 Vertical Grip - AR - Moe K2

    Magpul

    $22.95
    Magpul Moe K2 AR Grip Similar in concept to the MOE-K, the MOE-K2 is a drop in upgrade for AR15/M4's that offers a more vertical grip angle, but in a full-size grip design. The steeper vertical grip angle is optimized for use on PDW (Personal Defense...
    HKP-19567
    $22.95
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  • New - HKP HK UMP .45 ACP Barrel - Threaded 16x1 LH - HKP-19395 HK UMP Barrel - .45 ACP - 16.5" - Threaded 16x1 LH
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    HK UMP Barrel - .45 ACP - 16.5" - Threaded 16x1 LH

    HKP HK Parts

    $369.95
    HKP HK UMP .45 ACP Barrel - Threaded 16x1 LH This new 16.5" threaded barrel is designed for the UMP or Omega firearms. A great replacement or threaded barrel upgrade. Compatible With: HK UMP .45 ACP Omega Firearms
    HKP-19395
    $369.95
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  • New - H&K HK MR762/417 Charging Handle Pin - HKP-16754
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    HK417, MR762 Charging Handle Pin

    H&K Heckler & Koch

    $6.95
    H&K HK MR762/417 Charging Handle Pin HK MR762 & HK 417 Clamping Sleeve for plate on charging handle. There are two of these pins used on the charging handle. Compatible With: HK MR762 HK 417
    HKP-16754
    $6.95
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  • New - H&K HK MR556/MR762/416/417 Long Disconnector Spring - HKP-16774
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    HK416, HK417, MR556, MR762 Long Disconnector Spring

    H&K Heckler & Koch

    $9.95
    H&K HK MR556/MR762/416/417 Long Disconnector Spring HK German manufactured disconnector spring. This is the longer of the 2 springs found in the trigger/sear assembly. Compatible With: HK MR556 HK 416 HK MR762 HK 417
    HKP-16774
    $9.95
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  • New - HKP HK MR556/416 10.4" 5.56 Barrel - HKP-18200 HK416, MR556 Barrel - 5.56 / .223 - 10.4" - Threaded 1/2x28
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    HK416, MR556 Barrel - 5.56 / .223 - 10.4" - Threaded 1/2x28

    HKP HK Parts

    $369.95
    MR556 & HK416 Barrel - 10.4"- US Made - Threaded 1/2x28 Finally an answer for all of those that have been wanting a 10.4" 416 or MR556 barrel option for your MR556, CR556 & HK 416's. Each barrel is as close as you can get for those that want a HK...
    HKP-18200
    $369.95
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  • New - H&K G36 (5.56/.223) Cocking Handle Bushing - HKP-01869
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    HK G36 Cocking Handle Bushing

    H&K Heckler & Koch

    $9.95
    HK German G36 Cocking Handle Bushing
    HKP-01869
    $9.95
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  • New - H&K USC (.45 ACP) Lower Locking Lever Axle - HKP-16376
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    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
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  • Used - H&K UMP (.40 S&W) Parts Kit - German - Used - HKP-00588 HK UMP Parts Kit - .40 S&W
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    HK UMP Parts Kit - .40 S&W

    H&K Heckler & Koch

    $1,829.95
    HK German UMP .40 Cal Parts Kit - Used HK UMP .40 German parts kit complete with all the factory HK parts minus the receiver. Perfect for those who are doing a custom build or for spare parts. Click this link to complete your build with an S5 receiver...
    HKP-00588
    $1,829.95
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    $1,829.95
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  • New - H&K 91/G3 (7.62x51/.308) Magazine Unloader - HKP-01508
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    HK91, G3 Magazine Unloader

    H&K Heckler & Koch

    $49.95
    HK Factory German Unloader For HK 91, G3, And PTR Magazines Brand new HK German manufactured magazine loader for the alloy or steel mags. Made from all steel construction. Compatible With: HK 91 magazines HK G3 magazines PTR, CETME HK PSG-1 magazines HK...
    HKP-01508
    $49.95
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  • Used - H&K 91/G3 (7.62x51/.308) Stock Set w/ Backplate - Black - Used Good - HKP-16205 HK91, G3 Buttstock Set with Backplate - Black - Used Good
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    HK91, G3 Buttstock Set with Backplate - Black - Used Good

    H&K Heckler & Koch

    $299.95
    Original G3, 91, PTR German Army Used Surplus Black Stock Set - Complete  Factory HK German production. Each stock set is used but in perfect working order. Each set is in overall good condition. Most will clean up nicely with a little TLC...
    HKP-16205
    $299.95
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  • Out Of Stock
    New - H&K MP5 40/10 Threaded Bolt/Mag Follower Catch Screw - HKP-00454 HK MP5 Magazine Follower Bolt Catch Screw - Threaded - .40 S&W, 10mm

    HK MP5 Magazine Follower Bolt Catch Screw - Threaded - .40 S&W, 10mm

    H&K Heckler & Koch

    $34.95
     Heckler and Koch Threaded Bolt Catch for Magazine Follower for your HK MP5 40,10 This is the small threaded screw that fits into the bolt-hold-open axle and makes contact with the magazine follower to activate the bolt-hold-open. A small but...
    HKP-00454
    $34.95
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  • New - RCM MP5 40/10 Extractor - HKP-01969 HK MP5 Extractor - .40 S&W, 10mm
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    HK MP5 Extractor - .40 S&W, 10mm

    RCM

    $34.95
    RCM US Made Extractor for HK MP5 .40 S&W and 10mm This part is made to the exact same specs as the HK German extractor final polish included. It is also a great upgrade for the clone CA and Vector builds.
    HKP-01969
    $34.95
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