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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  • 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 - 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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  • 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 - 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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  • Used - H&K MP5 9mm SEF Navy Style Trigger Housing - Clipped & Pinned - USED - HKP-19787 HK MP5 9mm SEF Navy Style Trigger Housing - Clipped and Pinned - USED
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    HK MP5 9mm SEF Navy Style Trigger Housing - Clipped and Pinned - USED

    H&K Heckler & Koch

    $89.95
    H&K MP5 9mm SEF Navy Style Trigger Housing - Clipped & Pinned - USED In used but good condition. Each German HK housing will have some handling marks, nicks and dings. Each housing is in perfectly useable condition and each unit has been clipped...
    HKP-19787
    $89.95
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  • New - 90 Series Barrel Pin Jig - HKP-08928 HK MP5, HK90 Series Barrel Pin Jig - Aluminum
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    HK MP5, HK90 Series Barrel Pin Jig - Aluminum

    HKP HK Parts

    $119.95
    HKP HK Parts HK MP5, 90 Series Aluminum Barrel Pin Jig This jig is designed for the installation and removal of barrel pins on all HK 90 series rifles and pistols. It’s the companion tool for builders already using HK flat-bending jigs and other...
    HKP-08928
    $119.95
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  • Used - H&K MP5, 93/53, G3 (9mm, 5.56/.223, 7.62/.308) 3 Position (S,U,O Pictogram) Contract Housing - USED - HKP-19912 HK MP5, HK53, HK93, G3 Housing - 3 Position S,U,O Pictogram - Contract Housing - 9mm, 5.56 / .223, 7.62 / .308 - USED
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    HK MP5, HK53, HK93, G3 Housing - 3 Position S,U,O Pictogram - Contract Housing - 9mm, 5.56 / .223, 7.62 / .308 - USED

    H&K Heckler & Koch

    $29.95 - $99.95
    H&K MP5, 93/53, G3 (9mm, 5.56/.223, 7.62/.308) 3 Position (S,U,O Pictogram) Contract Housing - USED   Enhance your H&K firearm with this authentic contract housing, featuring a 3-position pictogram (S, U, O) for versatile fire control...
    HKP-19912-M
    $29.95 - $99.95
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  • New - PTR (5.56/.223) & (7.62x51/.308) Muzzle Brake - Threaded 15x1 RH - HKP-02148 PTR Muzzle Brake - Threaded 15x1 RH
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    PTR Muzzle Brake - Threaded 15x1 RH

    PTR

    $25.95
    PTR (5.56/.223) & (7.62x51/.308) Muzzle Brake - Threaded 15x1 RH Correct HK threading 15x1 right hand with HK style retaining spring to latch on the HK splined barrel. Made in the US and counts as one US 922r compliant part. Specifications: Threaded...
    HKP-02148
    $25.95
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  • New - H&K -4 Roller For Bolt Head 7.96mm - Under-sized - HKP-00504 Bolt Head Locking Roller - -4, 7.96mm - Under-sized
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    Bolt Head Locking Roller - -4, 7.96mm - Under-sized

    H&K Heckler & Koch

    $27.99
    Heckler and Koch -4 7.96mm Undersized Roller for Bolt Heads  The proper roller size is essential for proper head spacing and bolt gap. New HK German not surplus or used goods. German-made -4 roller, each roller is priced per roller. Compatible...
    HKP-00504
    $27.99
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  • New - HKP Single Point Sling - OD Green - HKP-09057 HK Single Point Sling - OD Green
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    HK Single Point Sling - OD Green

    HKP HK Parts

    $29.95
    HKP Single Point Sling - OD Green This high-quality sling is a must-have for those who prefer operating with a single-point sling over the traditional 3-point HK sling. Features: Super thick all OD Green heavy-duty Cordura nylon to withstand years of...
    HKP-09057
    $29.95
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  • Used - H&K Full Auto Trigger Pack Elbow Spring With Roller - Used - HKP-16241 HK MP5, HK33, HK53, HK93 Elbow Spring With Roller - Full Auto Trigger Pack - Used
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    HK MP5, HK33, HK53, HK93 Elbow Spring With Roller - Full Auto Trigger Pack - Used

    H&K Heckler & Koch

    $4.95
    H&K Full Auto Trigger Pack Elbow Spring With Roller - USED Used- Good shape. This item is a factory HK German replacement part.
    HKP-16241
    $4.95
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    $4.95
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