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 - PTR HK 91/G3 (7.62x51/.308) Trigger Group - 5 U.S. 922 Parts - HKP-02643 HK91, G3 Trigger Group - 5 U.S. 922 Parts
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    HK91, G3 Trigger Group - 5 U.S. 922 Parts

    PTR

    $369.95
    HK 91, G3, & PTR91 Semi Auto Trigger Group Complete This lower is ready to drop on your semi-auto HK firearm. It comes complete with the US-made parts already installed. The remaining parts are all German HK parts to make up the rest of the trigger...
    HKP-02643
    $369.95
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  • Out Of Stock
    New - Blitzkrieg PTR Spike Front Sight Gen 2 - Orange - HKP-21105 PTR Spike Front Sight Gen 2 - Orange

    PTR Spike Front Sight Gen 2 - Orange

    Blitzkrieg Components

    $84.95
    Blitzkrieg PTR Spike Front Sight Gen 2 - Orange The Blitzkrieg Gen 2 HK-style front sight introduces a modernized sighting system with enhanced precision and ease of use. Featuring a distinctive spike-tipped post and a bright Tritium dot with an orange...
    HKP-21105
    $84.95
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    $84.95
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  • Used - H&K 91/G3 (7.62x51/.308) Slimline Forearm - Black - Used Surplus - HKP-18315 HK91, G3 Handguard - Slimline Style- Used Surplus
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    HK91, G3 Handguard - Slimline Style- Used Surplus

    H&K Heckler & Koch

    $14.95
    Used Authentic German Military Surplus Black Slim Line Forearm With Heat Shield In used condition. For the money, these are a nice addition to the collection. Compatible With: All full forearm length HK 91, G3, PTR style firearms
    HKP-18315
    $14.95
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    $14.95
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  • Used - FMP HK G3 (7.62x51/.308) Parts Kit (HK Contract) - HKP-17694 HK G3 Parts Kit - FMP - HK Contract
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    HK G3 Parts Kit - FMP - HK Contract

    H&K Heckler & Koch

    $299.95
    Heckler and Koch Contract Portuguese FMP Surplus Parts Kit for HK G3 7.62 X 51mm / .308 Each parts kit comes complete with all parts from a functional HK G3 full auto rifle that was demilled into a parts kit with the exception of the barrel and...
    HKP-17694
    $299.95
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    $299.95
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  • New - Left Side Ambidextrous Selector Lever FBI - 0,1 - HKP-00121 Left Side Ambidextrous Selector Lever FBI - 0,1
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    Left Side Ambidextrous Selector Lever FBI - 0,1

    H&K Heckler & Koch

    $124.99
    Left Side Ambidextrous Selector Lever FBI - 0,1 Compatible with all ambi style housings and ambidextrous 0,1, trigger packs and housings.
    HKP-00121
    $124.99
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    $124.99
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  • New - H&K HK SEF & Navy 3 Position Trigger Spring - HKP-22178
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    HK90 Trigger Spring- 3 Position - SEF and Navy

    H&K Heckler & Koch

    $9.95
    H&K HK SEF & Navy 3 Position Trigger Spring Elevate your HK 90 series performance with a factory-fresh trigger spring, designed for both semi and full-auto models. These are an essential upgrade for any 90 series owner, ensuring optimal...
    HKP-22178
    $9.95
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  • New - B&T (7.62x51/.308) Flash Hider - Suppressor Compatible - Threaded 5/8x24 RH - HKP-21395 HK91, G3, HK417, MR762 Flash Hider - Suppressor Compatible - Threaded 5/8x24 RH
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    HK91, G3, HK417, MR762 Flash Hider - Suppressor Compatible - Threaded 5/8x24 RH

    B&T Brugger & Thomet

    $144.99
    Brugger and Thomet Suppressor Compatible Flash Hider Threaded 5/8x24 RH for 7.62x51 /.308 Firearms This flash hider is compatible with many suppressors. A perfect addition to any firearm. Specifications: Made in Switzerland Threaded 5/8x24 UNEF Does not...
    HKP-21395
    $144.99
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    $144.99
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  • Out Of Stock
    New - H&K -2 Roller For Bolt Head 7.98mm - Under-sized - HKP-00505 HK -2 Roller For Bolt Head 7.98mm - Under-sized

    HK -2 Roller For Bolt Head 7.98mm - Under-sized

    H&K Heckler & Koch

    $19.95
    H&K -2 Roller For Bolt Head 7.98mm - Under-sized The proper roller size is essential for proper head spacing and bolt gap. New HK German not surplus or used goods. German-made -2 roller. Please Note: The price listed is per roller. Order 2 (pair) for...
    HKP-00505
    $19.95
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    $19.95
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  • Used - HK91/G3 (7.62x51/.308) Magazine Catch - Used - HKP-18693 HK91, G3 Magazine Catch - Used
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    HK91, G3 Magazine Catch - Used

    H&K Heckler & Koch

    $16.95
    Heckler and Koch Magazine Catch, USED for HK91, HK G3, and PTR91 The highest quality magazine catch available. High quality HK German production units are slightly used HK Parts from Heckler and Koch Germany. These also have the proper cut in them and do...
    HKP-18693
    $16.95
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    $16.95
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  • Out Of Stock
    New - HK G3K Cocking Tube - HKP-01462 HK G3K Cocking Tube

    HK G3K Cocking Tube

    $89.95
    G3 Cocking Tube For PTR 91K Or G3K Projects - New Perfect for that custom HK build. These are made by PTR to the correct specifications. We do not use cut-down or Pakistani materials, we only use the best US and German hardware. Compatible With: HK G3K...
    HKP-01462
    $89.95
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  • On Sale
    Refurbished - HK91, G3 7.62x51 / .308 15 Round Steel Magazine - Refinished - BLEMISHED - HKP-21922-B HK91, G3 Magazine - 15 Round - Refinished, BLEMISHED
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    HK91, G3 Magazine - 15 Round - Refinished, BLEMISHED

    H&K Heckler & Koch

    Now: $44.95
    Was: $84.95
    Heckler and Koch 15 Round Steel Magazine, Refinished and marked BLEMISHED, for HK91, G3 7.62x51 / .308  MAGAZINE BODIES HAVE PITTING - CONDITION MAY VARY COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR...
    HKP-21922-B
    Now: $44.95
    Was: $84.95
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    Now: $44.95
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  • Out Of Stock
    New - PTR HK G3/91 (7.62x51/.308) GI Barrel - Threaded 5/8x24 - HKP-18435 HK91, G3 Barrel - 7.62 / .308 - 18" - Threaded 5/8x24

    HK91, G3 Barrel - 7.62 / .308 - 18" - Threaded 5/8x24

    PTR

    $214.95
    PTR HK G3/91 (7.62x51/.308) GI Barrel - Threaded 5/8x24 New PTR91 US made G.I. spec 18" barrel. Perfect for any barrel threaded 5/8x24. New production perfect for new builds. This part counts as one US made compliant part. Specifications: Overall Lenght...
    HKP-18435
    $214.95
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    $214.95
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