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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  • Used - H&K 91/G3 (7.62x51/.308) Fixed Stock - Alpine Green - Surplus - HKP-17112 HK91, G3 A2 Fixed Buttstock - Alpine Green - Surplus
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    HK91, G3 A2 Fixed Buttstock - Alpine Green - Surplus

    H&K Heckler & Koch

    $29.95
    HK German Surplus G3, 91, PTR Stock Complete - Alpine Green The Alpine green stock was the last version that the German military produced and is the darkest green version available. All stocks are 90's production, date coded and made by HK for the...
    HKP-17112
    $29.95
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  • New - RCM HK 93/53/33 (5.56/.223) Complete Bolt Head - HKP-16722 HK33, HK53, HK93 Bolt Head, Complete
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    HK33, HK53, HK93 Bolt Head, Complete

    RCM

    $214.95
    HK 93, 33, 53 .223/5.56 Bolt Head Complete - US The latest generation style bolt head with oval shaped roller retainer plate. Perfect for 556/ .223 & 300 BLK HK or roller lock firearms. Includes: 223/556 Extractor- US Extractor Spring- HK 8mm...
    HKP-16722
    $214.95
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    $214.95
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  • New - Ergo Sling Loop Rail Mount- Ambidextrous - HKP-14526 Ergo Sling Loop Rail Mount- Ambidextrous
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    Ergo Sling Loop Rail Mount- Ambidextrous

    Ergo

    $29.95
    Ergo Sling Loop Rail Mount- Ambidextrous The ergonomic HK slide mount sling hook base provides an economical means for attaching an HK-style sling hook to all 1913 Picatinny rails. Perfect for mounting on a tactical rail system or other Picatinny forearm...
    HKP-14526
    $29.95
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  • New - HKP MP5, MP5K Rear Sight Base - Billeted - HKP-18087
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    HK MP5, MP5K Rear Sight Base - Billeted

    HKP HK Parts

    $17.95
    HKP HK Parts Billeted Rear Sight Base - Weldment for HK MP5 and HK MP5K All steel HK MP5, MP5K billeted rear sight base. The most correct MP5, MP5K rear sight base available. The only billeted factory correct sight base with the factory HK German side...
    HKP-18087
    $17.95
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  • New - H&K Bungee Single Point Sling - 1325mm Long - HKP-18728 HK Bungee Single Point Sling - 1325mm Long
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    HK Bungee Single Point Sling - 1325mm Long

    H&K Heckler & Koch

    $114.95
    H&K Bungee Single Point Sling - 1325mm Long New factory HK German manufactured single point elastic "push/pull" bungee style sling. Includes the factory sling hook and is fully adjustable for the average sized mag to use. Will fit any HK application...
    HKP-18728
    $114.95
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    $114.95
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  • New - Franklin Armory HK MP5K-AR Binary Trigger Group - HKP-21337-M HK MP5K, SP5K-PDW, SP89 Binary Trigger Group - Ambi - BFSIII - 9mm
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    HK MP5K, SP5K-PDW, SP89 Binary Trigger Group - Ambi - BFSIII - 9mm

    FA Franklin Armory

    $849.95
    Franklin Armory HK MP5K-AR Binary Trigger Group Introducing our new MP5K-AR Navy ambidextrous lower housing, paired with a Franklin Armory Binary Trigger pack and a Magpul MOE grip for a complete MP5K-AR Binary Trigger group. This drop-in unit fits all...
    HKP-21337-M
    $849.95
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  • New - HKP Long Sleeve Tee - OD Green - HKP-21025-M
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    HKP Shirt - Long Sleeve - OD Green

    HKP HK Parts

    $19.95
    HKP Long Sleeve Shirt - OD Green 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: Unisex fit Fine cotton High fidelity DTG...
    HKP-21025-M
    $19.95
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  • New - Tapco HK 416/MR556/AR15 Stock Wrench - HKP-02407 HK416, MR556, AR15 Stock Wrench
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    HK416, MR556, AR15 Stock Wrench

    Tapco

    $32.95
    Tapco HK 416, MR556, & AR15 Stock Wrench This tool includes a Mil-Spec castle nut wrench, a standard-length receiver extension removal wrench, and an A1/A2 Flash Suppressor wrench. This offers an improved grip, and each tool has a...
    HKP-02407
    $32.95
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  • New - H&K HK MR762/417 Rear Diopter Sight - HKP-02547 HK417, MR762  Rear Diopter Sight
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    HK417, MR762 Rear Diopter Sight

    H&K Heckler & Koch

    $139.95
    H&K HK MR762/417 Rear Diopter Sight Specifications: Fits: 12", 16.5", 17", & 20"  barrel lengths. Compatible With: HK MR762 HK 417 HK G28
    HKP-02547
    $139.95
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  • Out Of Stock
    New - H&K UMP/USC/G36 (.40 S&W/.45 ACP/9mm/5.56/.223) Hand Stop Complete - HKP-00596 HK UMP, USC, G36 Handstop Complete

    HK UMP, USC, G36 Handstop Complete

    H&K Heckler & Koch

    $68.95
    HK German Hand Stop Unit Complete  This unit is compatible with any of the USC/UMP or the G36K or G36C handguards.  
    HKP-00596
    $68.95
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  • New - Choate MP5K/SP89 9mm Steel End Cap W/ Buffer - HKP-00395 HK MP5K, SP89 End Cap with Buffer  - 9mm - Steel
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    HK MP5K, SP89 End Cap with Buffer - 9mm - Steel

    Choate

    $45.95
    MP5K & SP-89 Steel End Cap With Replaceable Rubber Buffer Fits perfectly on all HK MP5K-type builds or projects. All metal construction, so you know it will last. Each unit comes with a sling loop for use with multiple sling types. Compatible...
    HKP-00395
    $45.95
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  • New - HKP MP5 9mm Pistol Build Kit With Flat, Top Rail & Weldment Set - HKP-18039
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    HK MP5 Parts Kit - Pistol Build - Receiver Flat and Weldment Set - 9mm

    HKP HK Parts

    $1,699.95
    MP5 9mm Pistol Build Kit Complete German & USA Made Parts MP5 9mm parts kit complete with all the parts needed for an MP5 semi-auto pistol. Each kit comes with all 6 of the needed US made compliance parts to be legal as a pistol (N/A) rifle, or SBR...
    HKP-18039
    $1,699.95
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    $1,699.95
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