HK91 / G3 / HK51 Series

HK91 / G3 / HK51 Series

Discover the ultimate collection of parts for your HK G3 and HK 91, designed to enhance precision, reliability, and performance. Featuring G3 Stocks for improved ergonomics, 91 Barrels for superior accuracy, and G3 Triggers for enhanced responsiveness. Our selection also includes 91 Handguards for advanced protection and control, G3 Forearms for optimal handling, and detailed Parts Kits to fully equip your firearm for any scenario. Each component is engineered for flawless compatibility with your HK G3 or HK 91, ensuring your rifle meets the highest standards of operation and craftsmanship.

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  • New - HKP SEF Style Franklin Armory Binary Aluminum Selectors - HKP-20103 HK SEF Style Binary Aluminum Selectors
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    HK SEF Style Binary Aluminum Selectors

    HKP HK Parts

    $69.95
    HK Selector Lever Set for BFSIII HK Binary Trigger Pack - SEF Grip Frames - Aluminum  This new selector lever set was modeled after the HK style selector lever for the Franklin Armory trigger packs.   This is the best selector set for the...
    HKP-20103
    $69.95
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  • On Sale
    HK G3 Parts Kit - Matching Numbers HK G3 Parts Kit - Matching Numbers
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    HK G3 Parts Kit - Matching Numbers

    FMP HK CONTRACT

    Now: $189.95
    Was: $229.95
    FMP - G3 Matching Numbers Parts Kit - With One Mag The G3 has been an iconic battle rifle utilized all over the world and revered as one of the best that H&K has offered. You now have the opportunity to build one of these iconic battle rifles...
    HKP-20865
    Now: $189.95
    Was: $229.95
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    Now: $189.95
    Was: $229.95
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  • New - H&K 91/G3 (7.62x51/.308) Ejector Lever - HKP-00832
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    HK91, G3 Ejector Lever

    H&K Heckler & Koch

    $24.95
    New H&K .308 Ejector Lever   Genuine HK German part. Compatible With: HK G3 HK 91 PTR-91 HK 51
    HKP-00832
    $24.95
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    $24.95
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  • New - H&K Flash Hider Retaining Ring - HKP-16451
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    HK91, G3, HK33 Flash Hider Retaining Ring

    H&K Heckler & Koch

    $1.49
    HK Flash Hider Retaining Ring Brand new HK German manufacture.  HK flash hider, muzzle break retaining ring.  This item is the ring that fits inside the flash hider that indexes with the splines of the HK barrel to provide a positive lockup of...
    HKP-16451
    $1.49
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    $1.49
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  • New - HKP SEF Enhanced Ambi Selector Set - Navy Style - HKP-18065 HK SEF Enhanced Ambi Selector Set - Navy Style
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    HK SEF Enhanced Ambi Selector Set - Navy Style

    HKP HK Parts

    $76.95
    Ambidextrous Selector Lever Set For SEF Navy Style Polymer Grip Frames Features: Made in the USA Billet machined enhanced left & right side selector lever set Latest HK style titanium detent, enhanced spring for positive movement between...
    HKP-18065
    $76.95
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  • New - H&K Roller Type Trip Lever - HKP-02466 HK Roller Type Trip Lever
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    HK Roller Type Trip Lever

    H&K Heckler & Koch

    $29.95
    H&K Roller Type Trip Lever This is a genuine German Heckler & Koch part. This is the newer style trip lever for use with a roller sear catch, not the older friction type. Please Note: May or may not be marked with the X or XX...
    HKP-02466
    $29.95
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  • Used - H&K 91/G3 (7.62x51/.308) Cocking Handle - Green Rubberized - Surplus - HKP-17082 HK91, G3 Cocking Handle - Green Rubberized - Surplus
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    HK91, G3 Cocking Handle - Green Rubberized - Surplus

    H&K Heckler & Koch

    $8.95
    HK German HK G3 & HK 91 Older Style HK Green Cocking Handle Used green handled German military surplus cocking handle. No longer made or offered by HK. A genuine Heckler and Koch part. Compatible With: HK 91 HK G3 PTR-91 HK 51 HK PSG-1 HK MSG-90 HK...
    HKP-17082
    $8.95
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  • New - H&K Rear Sight Bearing - HKP-00145
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    HK Rear Sight Bearing

    H&K Heckler & Koch

    $1.99
    H&K Rear Sight Bearing Factory HK Part for all rear sight assemblies. This item is required for any HK diopter rear sight assemblies.
    HKP-00145
    $1.99
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    $1.99
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  • Out Of Stock
    New - Blitzkrieg HK MP5 Chevron Front Sight Gen 2 - Luminescent Green - HKP-20452 HK MP5 Chevron Front Sight - Gen 2 - Luminescent Green

    HK MP5 Chevron Front Sight - Gen 2 - Luminescent Green

    Blitzkrieg Components

    $56.99
    Blitzkrieg HK MP5 Chevron Front Sight Gen 2 - Luminescent Green The Blitzkrieg Gen 2 HK-style front sight provides a fast, bold sight picture with a sharp aiming point, designed for enhanced visibility and precision. The luminescent green chevron stripe...
    HKP-20452
    $56.99
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    $56.99
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  • New - HKP 2 Point Leather & Cotton Sling - HKP-21320-M Sling - 2 Point - Leather and Cotton
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    Sling - 2 Point - Leather and Cotton

    HKP HK Parts

    $59.95
    2 Point Leather & Cotton Sling  Designed to replicate the original, out of production, German HK offering. Each sling is handcrafted in the US by a German artisan using quality US leather and hardware.  Each sling is approximately 48" long...
    HKP-21320-M
    $59.95
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  • Used - H&K G3 Large Buffer Screw - HKP-16981
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    HK G3 Large Buffer Screw

    H&K Heckler & Koch

    $1.95
    HK G3 Large Buffer Screw This is the screw that screws in the back of the buffer. This is also needed to install the Magpul PRS2 stock. Used- in good, working condition.
    HKP-16981
    $1.95
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    $1.95
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  • New - Shooting Sight HK MP5, HK 91/93/94, HK G3 & Clones Heckfire 2-Stage Trigger - HKP-20173 HK MP5, HK91, G3, HK93, HK94, Clones Heckfire 2-Stage Trigger
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    HK MP5, HK91, G3, HK93, HK94, Clones Heckfire 2-Stage Trigger

    $399.95
    Heckfire trigger for MP-5, HK 91/93/94, G3, Clones 2-stage trigger with around 5lb total pull.  Drop-in to all lowers. The updated selector levers work for all lowers (you no longer need to tell us if it is an SEF or an AMBI lower) and they cover...
    HKP-20173
    $399.95
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    $399.95
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