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 - BFSIII HK91, G3, PTR91 HK-C1 Franklin Binary SEF Navy Style Trigger Group - HKP-19646-CP HK MP5, HK91, G3 Binary Trigger Group - SEF Navy - BFSIII
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    HK MP5, HK91, G3 Binary Trigger Group - SEF Navy - BFSIII

    FA Franklin Armory

    $849.95
    Franklin Armory BFSIII HK-C1 - Trigger Group - SEF Navy Style - HK91, G3, PTR91 3 Position HK Binary Trigger Group Binary triggers count as 4 922r compliant components. The components that count towards 922r compliance include the trigger pack box,...
    HKP-19646-CP
    $849.95
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  • New - H&K UMP/USC (.40 S&W/.45 ACP/9mm) Firing Pin Spring - HKP-00262
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    HK UMP, USC Firing Pin Spring

    H&K Heckler & Koch

    $9.95
    H&K UMP/USC (.40 S&W/.45 ACP/9mm) Firing Pin Spring This is a common wear and breakage item. This item also frequently becomes lost by end users when field stripping the UMP and USC Bolts.  Compatible with: All HK UMP & USC Firearms
    HKP-00262
    $9.95
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  • Out Of Stock
    New - H&K UMP (.45 ACP) Magazine Follower - HKP-16342 HK UMP Magazine Follower - .45 ACP

    HK UMP Magazine Follower - .45 ACP

    H&K Heckler & Koch

    $14.95
    HK UMP .45 Magazine Follower New HK German factory UMP .45 magazine follower for all HK UMP .45 magazines. Compatible With: UMP 45 magazines- both US or German
    HKP-16342
    $14.95
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  • New - H&K HK MP7A1, MP7A2 Flip Front & Rear Sight Set - HKP-00024 H&K HK MP7A1, MP7A2 Flip Front & Rear Sight Set H&K Heckler & Koch HKP-00024
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    HK MP7A1, MP7A2 Front and Rear Sight Set - Picatinny - Iron

    H&K Heckler & Koch

    $529.95
    H&K HK Parts MP7A1, MP7A2 Flip Front & Rear Sight Set Includes front and rear iron sights, which allows the shooter to see the target and enables faster sight acquisition. This sight set is compatible with the G36, 416, or all other Picatinny...
    HKP-00024
    $529.95
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  • New - Magpul HK G3 / HK 91 PRS Lite Stock - HKP-21170-M HK91, G3 Stock - PRS Lite
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    HK91, G3 Stock - PRS Lite

    Magpul

    $289.95
    Magpul HK G3 / HK 91 PRS Lite Stock New G3 / HK91 PRS Lite stock will allow you to shoot your rifle with comfort while adding some style. We take the PRS Lite stock and attach our HK - AR adapter with a refinished back plate to bring you an assembled...
    HKP-21170-M
    $289.95
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    $289.95
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  • Out Of Stock
    New - Trijicon RMR/SRO Low Picatinny Rail Mount - HKP-20335 Picatinny Optic Mount - RMR, SRO

    Picatinny Optic Mount - RMR, SRO

    Trijicon

    $109.95
    Trijicon Low Picatinny Rail Mount for RMR/SRO - RM33 Low Picatinny rail mount for RMR/SRO. Includes: Mount Optic mounting screws Distance From Top of Mounting Rail to Optical Axis: RMR: 0.768" SRO: 1.009" Slimline mounts, fits Picatinny rail
    HKP-20335
    $109.95
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  • New - H&K G36/SL8 (5.56/.223) Bolt Head Ejector Pin - HKP-01876
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    G36, SL8 Bolt Head Ejector Pin

    H&K Heckler & Koch

    $7.95
    Bolt Head Ejector Pin For G36 & SL8 This item is the pin that holds the ejector & ejector spring in place. It is a common wear and replacement item and a must-have when doing bolt head maintenance.
    HKP-01876
    $7.95
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  • New - H&K UMP/USC (.40 S&W/.45 ACP/9mm) Magazine Release Spring - HKP-01899 HK UMP, USC Magazine Release Spring
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    HK UMP, USC Magazine Release Spring

    H&K Heckler & Koch

    $9.95
    HK UMP & USC Magazine Release Spring HK German factory mag release spring for all USC and UMP mag releases.  Compatible With:  USC lowers UMP lowers
    HKP-01899
    $9.95
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  • Used - H&K 91/G3 (7.62x51/.308) SEF Navy Style Trigger Group HK G3 - Used Excellent - HKP-18670 HK91, G3 SEF Navy Style Trigger Group HK G3 - Used Excellent
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    HK91, G3 SEF Navy Style Trigger Group HK G3 - Used Excellent

    H&K Heckler & Koch

    $389.95
    H&K 91/G3 (7.62x51/.308) Navy Style Trigger Group (SEF) - Used Excellent HK factory German HK G3 & HK 91 Full Auto Trigger Group Complete. Pulled from German military HK G3 rifles. These work great as spares or for collectible items. Used in...
    HKP-18670
    $389.95
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  • New - H&K (5.56/.223) & (7.62x51/.308) Contact Piece For Paddle Mag Release - HKP-00465 HK91, G3, HK33, HK53, HK93 Paddle Mag Release Contact Piece
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    HK91, G3, HK33, HK53, HK93 Paddle Mag Release Contact Piece

    H&K Heckler & Koch

    $29.95
    Heckler and Koch Contact Piece for Paddle Magazine Release 5.56 / .223 and 7.62x51 / .308 German HK manufacture. The contact piece is used in the magazine release assembly for the paddle mag release. Compatible With: HK33, HK53, HK93 HK91, G3, PTR91
    HKP-00465
    $29.95
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  • New - HKP Semi Auto Shelf, Hanger Block For Receiver - HKP-17572 HK MP5 End Cap with Sling Swivel
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    HK MP5 End Cap with Sling Swivel

    HKP HK Parts

    $84.95
    HK Alloy Pistol End Cap with Sling Swivel Made from solid billet aircraft grade aluminum with the HK German sling loop and rubber heavy duty H buffer. With the alloy construction this unit will not break like the plastic end caps.  Compatible...
    HKP-18138
    $84.95
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  • New - Harris Engineering Bipod 6-9" - Fully Adjustable With Swivel - HKP-00983 Harris Engineering Bipod 6-9" - Fully Adjustable With Swivel Harris Engineering HKP-00983
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    Harris Engineering Bipod 6-9" - Fully Adjustable With Swivel

    Harris Engineering

    $149.95
    Harris Engineering Bipod 6-9" - Fully Adjustable With Swivel This part is manufactured using high-quality parts to ensure excellent function and sustainable use. It attaches to a sling swivel stud. Carrying your rifle with a sling or shooting off-hand is...
    HKP-00983
    $149.95
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    $149.95
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