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 - HK MR556/416 10.5" Super Modular Rail System - Black - HKP-16459 HK416, MR556 10.5" Super Modular Rail System

    HK416, MR556 10.5" Super Modular Rail System

    Geissele

    $472.00
    Geissele HK416, MR556 10.5" Modular Rail 9.7 " Extended free float rail for use with all HK 416 & MR 556 barrels. Please note: On the HK416 models the sling attachment point on the gas block will need to be removed to allow the handguard to slide on...
    HKP-16459
    $472.00
    Out Of Stock
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    $472.00
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  • New - H&K HK MR556/MR762/416/417 Disconnector Spring - Short - HKP-02675
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    HK416, MR556, HK417, MR762 Disconnector Spring - Short

    H&K Heckler & Koch

    $6.99
    Heckler and Koch HK416, MR556, HK417, MR762 Disconnector Spring - Short This is the shorter spring of the 2 found in the trigger assembly. Compatible With: HK416, MR556 HK417, MR762
    HKP-02675
    $6.99
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    $6.99
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  • Out Of Stock
    New - H&K UMP/G36 (.40 S&W/.45 ACP/9mm/5.56/.223) Trigger Spring - HKP-01864

    HK UMP, G36 Trigger Spring

    H&K Heckler & Koch

    $6.95
    H&K UMP/G36 (.40 S&W/.45 ACP/9mm/5.56/.223) Trigger Spring Trigger Spring For All HK UMP & G36 Lowers
    HKP-01864
    $6.95
    Out Of Stock
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    $6.95
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  • New - H&K G3/91 (7.62x51/.308) SEF Navy Style Trigger Housing - Push Pin - HKP-01757 HK91, G3 SEF Navy Style Trigger Housing - Push Pin
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    HK91, G3 SEF Navy Style Trigger Housing - Push Pin

    H&K Heckler & Koch

    $74.95
    H&K G3/91 (7.62x51/.308) SEF Navy Style Trigger Housing - Push Pin This German-made Heckler & Koch housing comes in black polymer. This part is compatible with all push pin G3 style firearms. It can also be used for other...
    HKP-01757
    $74.95
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    $74.95
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  • Used - H&K 91/G3 (7.62x51/.308) Fixed Stock with Enhanced Heavy Buffer - OD Green - Surplus - HKP-18932 HK91, G3 Fixed Buttstock with Enhanced Heavy Buffer - OD Green - Surplus
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    HK91, G3 Fixed Buttstock with Enhanced Heavy Buffer - OD Green - Surplus

    H&K Heckler & Koch

    $129.95
    HK 91, G3 Fixed Stock with Enhanced Heavy Buffer Installed - OD Green - Surplus Used Olive Drab green German surplus stock complete with Enhance DMR buffer installed. Ready to drop in on your HK or clone rifle. Used in perfect working condition. Each...
    HKP-18932
    $129.95
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    $129.95
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  • New - Choate MP5 & HK94 Tactical Folding Stock - HKP-00778 HK MP5, HK94 Tactical Folding Stock
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    HK MP5, HK94 Tactical Folding Stock

    Choate

    $224.95
    Choate MP5 & HK94 Tactical Folding Stock Each stock is adjustable from 10" to 12" using the included adjustable spacer system, which will allow a full 2" range in adjustment for the specific user or mission requirements. This will enable...
    HKP-00778
    $224.95
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    $224.95
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  • On Sale
    Used - H&K German MP5 SEF F/A Trigger Group - USED - HKP-13932 HK MP5 Trigger Group - SEF Full Auto - Contoured- USED
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    HK MP5 Trigger Group - SEF Full Auto - Contoured- USED

    H&K Heckler & Koch

    Now: $684.95
    Was: $999.95
    HK Heckler and Koch German SEF Full Auto Trigger Group in USED condition for HK MP5 Used MP5 contoured SEF trigger group that is 100% functional and entirely authentic German HK. This German MP5, 94, or Clone SEF contoured F/A trigger group is complete...
    HKP-13932
    Now: $684.95
    Was: $999.95
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    Now: $684.95
    Was: $999.95
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  • New - B&T Blast Deflector - A2 NATO Interface - HKP-21777 B&T Blast Deflector - A2 NATO Interface
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    B&T Blast Deflector - A2 NATO Interface

    B&T Brugger & Thomet

    $300.00
    B&T Blast Deflector - A2 NATO Interface This blast deflector is designed for NATO style A2 ("birdcage") flash hiders. Offering a universal fit for 5.56 rifles featuring the standard A2 flash hider. It directs muzzle blast forward, preventing...
    HKP-21777
    $300.00
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    $300.00
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  • On Sale
    New - HKP HK33/53 Dual Magazine Clamp - HKP-21608-M HK33, HK53, HK93 Dual Magazine Clamp
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    HK33, HK53, HK93 Dual Magazine Clamp

    HKP HK Parts

    Now: $39.96
    Was: $49.95
    HKP HK33, HK53, HK93 Dual Magazine Clamp Securely hold two HK33 magazines together for fast mag swaps. Precision-machined from billet aluminum and anodized in the popular red or classic black. Our dual mag clamp is a must for those quick mag changes...
    HKP-21608-M
    Now: $39.96
    Was: $49.95
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  • On Sale
    New - HKP Womens Short Sleeve Bundesadler Shirt - Black - HKP-21178-M HK Women's Shirt - Short Sleeve - Bundesadler
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    HK Women's Shirt - Short Sleeve - Bundesadler

    HKP HK Parts

    Now: $11.22
    Was: $19.95
    HKP Womens Short Sleeve Bundesadler Shirt - Black Get your hands on some of our premium new apparel! Featuring our sleek new logo printed over soft cotton, this shirt is certain to catch an eye at the range! Features: 100%...
    HKP-21178-M
    Now: $11.22
    Was: $19.95
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    Now: $11.22
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  • New - HKP HK UMP G36 Curved Trigger - HKP-21126-M HK UMP, USC Curved Trigger
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    HK UMP, USC Curved Trigger

    HKP HK Parts

    $99.95
    HKP HK Parts HK UMP and USC - Curved Trigger With our new curved trigger, you will improve the aesthetics of your firearm. Our curved trigger has spaced-out serrations at the face of the trigger for a far superior grip. Each trigger counts as one...
    HKP-21126-M
    $99.95
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    $99.95
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  • HK MP5K, SP5K Binary Trigger Group - SEF Ambi - BFSIII - 9mm - Contoured HK MP5K, SP5K Binary Trigger Group - SEF Ambi - BFSIII - 9mm - Contoured
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    HK MP5K, SP5K Binary Trigger Group - SEF Ambi - BFSIII - 9mm - Contoured

    FA Franklin Armory

    $1,499.95 - $1,549.95
    Franklin Armory HK MP5K - BFSIII HK-C1 – Binary Trigger Group – SEF – Contoured In position 3 it will fire 1 round on pull and 1 round on release. With a 4.5 lb trigger pull, making this the fastest semi-automatic trigger on the market...
    HKP-20005-M
    $1,499.95 - $1,549.95
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