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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  • On Sale
    New - HKP HK MP5 40/10 Dual Magazine Clamp - HKP-21614-M HK MP5 Dual Magazine Clamp - 10mm, .40 S&W
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    HK MP5 Dual Magazine Clamp - 10mm, .40 S&W

    HKP HK Parts

    Now: $39.96
    Was: $49.95
    HKP HK MP5 40/10 Dual Magazine Clamp The HK Parts MP5 40/10 dual magazine clamp is expertly crafted to fit all 40/10 MP5 polymer magazines. Constructed from durable aluminum and finished with a type 3 hard anodize for enhanced protection and a premium...
    HKP-21614-M
    Now: $39.96
    Was: $49.95
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  • New - HKP HK MP5 Receiver Flat - Smooth Top - HKP-21552 HK MP5 Receiver Flat - Smooth Top
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    HK MP5 Receiver Flat - Smooth Top

    HKP HK Parts

    $125.95
    HKP HK MP5 Receiver Flat - Smooth Top The MP5 receiver flat has been meticulously crafted by the original German tool and die maker of the LSC receiver flat, utilizing factory original German prints and specifications. This receiver boasts a flat top,...
    HKP-21552
    $125.95
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  • Used - H&K 90 Series Trigger German HK - Refinished - HKP-20678 HK90 Series Trigger - Refinished
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    HK90 Series Trigger - Refinished

    H&K Heckler & Koch

    $19.95
    Refinished German 90 Series Trigger Compatible With: HK91, G3, PTR HK93, 33, 53 HK MP5, 94, Zenith, POF, MKE Clone or other custom builds
    HKP-20678
    $19.95
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  • New - H&K HK G36K Forearm - Black - HKP-00617
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    HK G36K Handguard

    H&K Heckler & Koch

    $139.95
    HK G36K Forearm With Hand Stop & Heat Shield- German HK New HK German latest production HK G36K forearm that has the hand stop and heat shield installed. Also a popular forearm choice for those doing the SL8 to G36 conversions. Has the mounting...
    HKP-00617
    $139.95
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  • New - HK UMP .45 ACP Magazine Follower - HKP-20177 HK UMP Magazine Follower - .45 ACP - US
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    HK UMP Magazine Follower - .45 ACP - US

    USA

    $9.95
    HK UMP .45 Magazine Follower - USA New UMP .45 magazine follower for all HK UMP .45 magazines. Compatible With: UMP 45 magazines both US or German
    HKP-20177
    $9.95
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  • New - H&K HK MR556/MR762/416/417/G28 Sniper PSG1 Style Grip - RAL 8000 - HKP-17693 HK416, MR556, HK417, MR762, G28 Pistol Grip - PSG1 Sniper Style  - RAL8000
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    HK416, MR556, HK417, MR762, G28 Pistol Grip - PSG1 Sniper Style - RAL8000

    H&K Heckler & Koch

    $134.95
    H&K HK MR556/MR762/416/417/G28 Sniper PSG1 Style Grip - RAL 8000 HK German PSG1 style sniper factory. Each grip will fit all AR-15/M-16 lower receivers as well. Superior fit & feel to any other grip on the market. HK has hit a home run with their...
    HKP-17693
    $134.95
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  • HK416, MR556, HK417, MR762 Carrying Sling - FDE HK416, MR556, HK417, MR762 Carrying Sling - FDE
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    HK416, MR556, HK417, MR762 Carrying Sling - FDE

    H&K Heckler & Koch

    $169.95
    Heckler and Koch HK416, HK MR556, HK417, and HK MR762 Carrying Sling - FDE Compatible With: HK416, HK MR556 HK417, MR762 HK CR556 HK G28 Note: That on the MR556 model a sling adapter will be needed for the front attachment point as the MR556 lacks the...
    HKP-18491
    $169.95
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  • New - HK G36/SL8 (5.56/.223) Cocking Handle Axle Pin - HKP-18367 HK G36, SL8 Cocking Handle Axle Pin - USA
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    HK G36, SL8 Cocking Handle Axle Pin - USA

    USA

    $10.95
    HK G36, SL8 Cocking Handle Axle Pin - US Made This is the rivet pin that is used to attach the swiveling cocking handle to the body of the carrier. These can be replaced as they break and wear. Compatible With: HK G36 models HK SL8 models
    HKP-18367
    $10.95
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  • New - HKP HK UMP/USC (.40 S&W/.45 ACP/9mm) QD Sling Pin for Stock Block B - HKP-18776 HK UMP, USC Sling Pin, Stock Block B - QD
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    HK UMP, USC Sling Pin, Stock Block B - QD

    HKP HK Parts

    $74.95
    Quick Detach Sling Pin for Stock Block B - USC, UMP This Ambidextrous QD Sling Pin allows you to replace your Push Pin Style or Eyelet Sling Loop -  Style Pin in your Stock Block B for use of a QD Sling.
    HKP-18776
    $74.95
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  • Out Of Stock
    New - H&K 91/G3 (7.62x51/.308) - 15 Round Magazine - HKP-17006 HK91, G3 - 15 Round Magazine

    HK91, G3 - 15 Round Magazine

    H&K Heckler & Koch

    $59.95
    HK G3 & HK 91, PTR91 - 15 Round Magazine The HK G3, 91 ,PTR magazine is made by PTR from a German aluminum HK magazine and converted to 15 rounds. Perfect for states such as NJ that only allow a 15 round mag capacity. As an added bonus this magazine...
    HKP-17006
    $59.95
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  • Used - H&K 91/G3 (7.62x51/.308) Complete Fixed Stock with Enhanced Heavy Buffer- Black - Surplus - HKP-16269
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    HK91, G3 Fixed Buttstock, Complete with Enhanced Heavy Buffer - Surplus

    H&K Heckler & Koch

    $269.95
    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-16269
    $269.95
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  • Out Of Stock
    New - PTR Standard Stock Buttpad - HKP-00375 PTR  Standard Stock Buttpad

    PTR Standard Stock Buttpad

    PTR

    $39.95
    HK U.S. Made Standard Stock Butt pad Perfect for A2 fixed stocks. This item is hard rubber and softer than a factory standard butt pad - that is hard plastic only and prone to cracking. Super durable and better than factory HK. This is the perfect...
    HKP-00375
    $39.95
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