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 - GSG9 HK SL8, HK G36 Magazine Release Spring - HKP-18254 HK SL8, G36 Magazine Release Spring - US
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    HK SL8, G36 Magazine Release Spring - US

    GSG9

    $4.95
    GSG9 Magazine Release Spring - USA Made for HK G36 and HK SL8 Mag release spring for all G36 and SL8 models. A must have spare part. Made in the USA. G36 G36K SL8 Other custom G36 type builds
    HKP-18254
    $4.95
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  • Used - H&K HK G3, 91, PTR Bolt Head Complete - LIKE NEW - HKP-20227 HK91, HK G3, PTR Bolt Head, Complete - LIKE NEW
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    HK91, HK G3, PTR Bolt Head, Complete - LIKE NEW

    H&K Heckler & Koch

    $179.95
    German Bolt Head Complete - Used German "ID" Date Coded HK G3, HK91, and PTR  Made on HK tooling and prints in Germany in 1983. Each used bolt head is complete with all parts installed and 100% functional. Taken from live demilled German HK G3...
    HKP-20227
    $179.95
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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 - HKP HK MP5K Folding Stock w/ Adapter - Black - HKP-19550 HK MP5K Folding Stock with Adapter
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    HK MP5K Folding Stock with Adapter

    $269.95
    German Folding Stock with HK Parts Adapter - MP5K German folding stock with MP5K HK Parts Adapter. The HK Parts adapter offers a QD attachment point and is made from hard coat anodized aluminum. Compatible With: MP5K SP5K In spec clones  
    HKP-19550
    $269.95
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  • New - MP5 9mm Reverse Stretch Recoil Assembly - HKP-16580 HK MP5 Reverse Stretch Recoil Assembly - 9mm
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    HK MP5 Reverse Stretch Recoil Assembly - 9mm

    $37.95
    Complete Recoil Rod Assembly For The MP5 Reverse Stretch New US made MP5 reverse stretch or MP5 Full size compact recoil rod assembly complete micro polished and built of the finest materials to make the finest US made recoil assembly available. All...
    HKP-16580
    $37.95
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  • New - HKP Short Sleeve Tee - OD Green - HKP-21023-M
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    HKP Shirt - Short Sleeve - OD Green

    HKP HK Parts

    $14.95
    HKP Short 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! Unisex fit Fine cotton High fidelity DTG printing Official...
    HKP-21023-M
    $14.95
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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 Trip Lever - Friction - HKP-02393 HK Trip Lever - Friction
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    HK Trip Lever - Friction

    H&K Heckler & Koch

    $24.95
    H&K Trip Lever - Friction This is the older friction-style trigger pack found on older HK trigger packs and all HK registered sear packs.
    HKP-02393
    $24.95
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  • HK MP5 Cocking Handle - Knurled - Enhanced - UTG Pro Handguard Compatible HK MP5 Cocking Handle - Knurled - Enhanced - UTG Pro Handguard Compatible
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    HK MP5 Cocking Handle - Knurled - Enhanced - UTG Pro Handguard Compatible

    HKP HK Parts

    $39.95
    HKP HK MP5 Enhanced Knurled Cocking Handle - UTG Pro Handguard Compatible Enhanced extended cocking handle designed for HK MP5 pattern firearms and compatible with UTG handguards. The knurled profile provides increased surface area for improved charging...
    HKP-22516
    $39.95
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  • New - H&K MR556/MR762 A4 45 Degree Ambi Safety Lever - HKP-22034 HK MR556, MR762 A4 45 Degree Ambi Safety Lever
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    HK MR556, MR762 A4 45 Degree Ambi Safety Lever

    H&K Heckler & Koch

    $52.00
    H&K MR556/MR762 A4 45 Degree Ambi Safety Lever Genuine H&K ambidextrous 45-degree safety lever for MR556 and MR762 A4 rifles. Includes: Right safety lever Left safety lever Safety lever clamping sleeve Compatible With: HK...
    HKP-22034
    $52.00
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  • Used - H&K 91/G3 (7.62x51/.308) 20 Round Magazine - Steel - Refinished - HKP-21587 HK91, G3 20 Round Magazine - Steel - Refinished
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    HK91, G3 20 Round Magazine - Steel - Refinished

    H&K Heckler & Koch

    $57.95
    HK German 20 Round Steel Magazine - Refinished HK G3 factory steel 20-round magazine, expertly restored to its former glory. This magazine has been meticulously refinished inside and out, featuring a polished follower along with a fully parkerized finish...
    HKP-21587
    $57.95
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  • New - HKP HK UMP/USC (.40 S&W/.45 ACP/9mm) Complete Recoil Rod Assembly - HKP-17989 HK UMP, USC Recoil Rod Assembly, Complete - US Made
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    HK UMP, USC Recoil Rod Assembly, Complete - US Made

    HKP HK Parts

    $59.95
    HKP HK Parts Complete Recoil Spring and Rod Assembly for USC, UMP 45/40/9mm New USA made recoil assembly complete. Our design allows for easy repair and replacement of the recoil spring itself without replacing the entire recoil assembly as found on the...
    HKP-17989
    $59.95
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