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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  • Out Of Stock
    New - H&K Universal Harris Bipod Adapter - RAL 8000 - HKP-17750 HK Universal Harris Bipod Adapter - RAL8000

    HK Universal Harris Bipod Adapter - RAL8000

    H&K Heckler & Koch

    $199.95
    HK Factory Harris Bipod Adapter - Low Profile - RAL 8000 This adapter is used to attach the Harris bipod to any Picatinny rail. Fits all picatinny railed forearms or applications. Features the lowest profile of any bipod adapter we have encountered with...
    HKP-17750
    $199.95
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    $199.95
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  • New - H&K Extended Selector Lever - Burst 3 Position - HKP-16973 HK Extended Selector Lever - Burst 3 Position
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    HK Extended Selector Lever - Burst 3 Position

    H&K Heckler & Koch

    $94.95
    H&K Extended Selector Lever - Burst 3 Position New HK ambidextrous left side EXTENDED (ESSL) 0,1,2 or 0,1,3 only burst selector lever for ambidextrous trigger packs or trigger groups. Will not fit SEF style trigger packs.
    HKP-16973
    $94.95
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  • New - H&K/HKP Century AP51 Fixed Stock - Cerakoted - Enhanced Buffer - HKP-22183-M Century Arms AP51 Fixed Stock - Cerakoted - Enhanced Buffer
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    Century Arms AP51 Fixed Stock - Cerakoted - Enhanced Buffer

    HKP HK Parts / Heckler & Koch

    $199.95
    H&K/HKP Century AP51 Fixed Stock - Cerakoted - Enhanced Buffer Each stock starts life as an excellent condition surplus stock.  The stocks are then refinished and the recoil rod modified to work specifically with the AP51. Available exclusively...
    HKP-22183-M
    $199.95
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  • On Sale
    Used - H&K HK G3, 91, PTR Bolt Head Complete - Used - HKP-21902 HK91, G3, PTR Bolt Head Complete - Used
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    HK91, G3, PTR Bolt Head Complete - Used

    H&K Heckler & Koch

    Now: $78.95
    Was: $99.95
    German HK G3 & HK 91 & PTR Bolt Head Complete - Used German Date Coded Made in Germany. Each used bolt head is complete with all parts installed & 100% functional. Taken from live demilled German HK G3 rifles. Each bolt head is in good shape...
    HKP-21902
    Now: $78.95
    Was: $99.95
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  • On Sale
    New - H&K Elbow Spring Spacer For Full-Auto - USED - HKP-03330-USED HK MP5SF Bushing Sleeve - Elbow Spring with roller - USED
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    HK MP5SF Bushing Sleeve - Elbow Spring with roller - USED

    H&K Heckler & Koch

    Now: $2.96
    Was: $5.95
    HK MP5SF Bushing Sleeve - Elbow Spring with roller - USED   USED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN.  Features: Precision-machined elbow spring and roller used in traditional roller-delayed...
    HKP-03330-USED
    Now: $2.96
    Was: $5.95
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    Now: $2.96
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  • Used - HK G3 .22 20 Round Conversion Magazine - USED - HKP-20750 HK G3 .22 20 Round Conversion Magazine - USED
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    HK G3 .22 20 Round Conversion Magazine - USED

    $199.95
    HK G3 .22 20 Round Conversion Magazine - USED HK .22 caliber conversion kit 20-round magazine for The G3/91. Ideal for those that have the caliber conversion kit and wants to stack up on spare magazines. Condition is used to like new in the gray paint...
    HKP-20750
    $199.95
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  • Used - Fero Z51 Claw Mount Adapter - HKP-19532 Fero Z51 Claw Mount Adapter
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    Fero Z51 Claw Mount Adapter

    $9.95
    Claw Mount Adapter - German - Surplus - Z51
    HKP-19532
    $9.95
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    $9.95
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  • New - H&K Scope Mount Ring Set - 1 Inch For 30mm Scope - HKP-02474 HK Optic Mount Ring Set - 1 Inch for 30mm Scope
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    HK Optic Mount Ring Set - 1 Inch for 30mm Scope

    H&K Heckler & Koch

    $89.95
    H&K Scope Mount Ring Set - 1 Inch For 30mm Scope Each set includes one complete set of inserts for one complete setup (4 individual sides). This is a Genuine HK German part. Insert rings (1 inch) - HK 30mm claw mount not included.
    HKP-02474
    $89.95
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  • Out Of Stock
    Used - H&K 91/G3 (7.62x51/.308) 20 Round Magazines - Shooter Value - 36 Pack - Steel - HKP-17390 HK91, G3 20 Round Magazines - Shooter Value - 36 Pack - Steel

    HK91, G3 20 Round Magazines - Shooter Value - 36 Pack - Steel

    H&K Heckler & Koch

    $349.95
    HK 91, G3, PTR Shooter Pack - 36 Quantity 20 Round Magazines  All STEEL MAGS - RARE!!! For all those shooters or collectors out there this is the deal for you. For a limited time or while supplies last we have a case of 3 dozen shooter grade all...
    HKP-17390
    $349.95
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    $349.95
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  • New - PTR HK 91/G3 (7.62x51/.308) Semi-Auto Bolt Carrier - HKP-01461 HK91, G3 Bolt Carrier - Semi-Auto
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    HK91, G3 Bolt Carrier - Semi-Auto

    PTR

    $249.95
    New US Made HK91, HK G3, PTR-91 Bolt Carrier - Semi Auto Carrier This part is made to exact H&K specs and with the same material. PTR uses HK factory blueprints for manufacturing and quality control. Manufactured at the PTR facility here in the...
    HKP-01461
    $249.95
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  • New - H&K 93/91/33/53/G3 (5.56/.223) & (7.62x51/.308) Bolt Locking Lever Axle Pin - HKP-17624
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    HK33, HK53, HK93, HK91, G3 Bolt Locking Lever Axle Pin

    H&K Heckler & Koch

    $9.95
    HK Bolt Carrier Bolt Locking Lever Axle Pin - G3, 91, PTR & HK93, 33, 53 Brand new HK German bolt locking lever axle pin or cylinder pin for HK locking levers. Compatible With: G3, 91, PTR HK 93, 33, 53 HK21, 23, 11, 13 PSG1, MSG90
    HKP-17624
    $9.95
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  • New - H&K 91/G3 (7.62x51/.308) A3 Retractable Stock Buttpad - HKP-16853 HK91, G3 A3 Retractable Buttstock Buttpad
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    HK91, G3 A3 Retractable Buttstock Buttpad

    H&K Heckler & Koch

    $24.95
    HK G3 & HK 91 A3 Retractable Stock Rubber Buttpad - German This item is a great spare itemsto have on hand as the factory buttpads found on used or surplus stocks are often worn or damaged. Made in Germany by H&K. Compatible With: New style HK...
    HKP-16853
    $24.95
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    $24.95
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