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 - Outers Barrel .308/7.62 Bore Cleaner - HKP-19921 HK Barrel Bore Cleaner - 7.62 / .308
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    HK Barrel Bore Cleaner - 7.62 / .308

    Other

    $7.95
    Outers Barrel .308/7.62 Bore Cleaner From the makers of the BoreSnake. Features: Fast, quality bore cleaning system Size stamped on brass weight Washable Make your day shooting end easily with the Outers Barrel badger Bore Cleaner. With a few passes,...
    HKP-19921
    $7.95
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    $7.95
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  • HK German Bayonet Adapter With Hardware HK German Bayonet Adapter With Hardware
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    HK German Bayonet Adapter With Hardware

    H&K Heckler & Koch

    $159.95
    H&K German Bayonet Adapter With Hardware HK German Bayonet Adapter W/ Hardware made under a Turkish contract. The HK bayonet adapter replaces the cocking tube end cap (dust cap). Then the bayonet slides into the spring-loaded mechanism in the...
    HKP-00021
    $159.95
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  • Used - H&K HK91/G3 PTR Parkerized Backplate & Recoil Rod Assembly - Threaded - HKP-21647 HK91, G3 PTR ,Recoil Rod Assembly, Backplate - Painted
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    HK91, G3 PTR ,Recoil Rod Assembly, Backplate - Painted

    H&K Heckler & Koch

    $54.95
    H&K HK91/G3 PTR & Recoil Rod Assembly-Backplate-Painted Our German HK backplate has been expertly refinished and Painted for exceptional durability. This backplate features an innovative guide screw that allows you to effortlessly replace worn...
    HKP-21647
    $54.95
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  • Out Of Stock
    New - H&K MP5, 93/53/33, 91 (9mm, .40/10, 5.56/.223, 7.62/.308) 3 Position (0,1,3 Pictogram) Universal Housing - Clipped & Pinned - HKP-19801 HK MP5, HK33, HK53, HK93, HK91 Housing - 3 Position 0,1,3 Pictogram - Clipped and Pinned

    HK MP5, HK33, HK53, HK93, HK91 Housing - 3 Position 0,1,3 Pictogram - Clipped and Pinned

    H&K Heckler & Koch

    $249.95
    H&K MP5, 93/53/33, 91 (9mm, .40/10, 5.56/.223, 7.62/.308) 3 Position (0,1,3 Pictogram) Universal Housing - Clipped & Pinned Introducing the universal 3 position burst pictogram housing for HK MP5, SP5, and .40/10 firearms. This new factory...
    HKP-19801
    $249.95
    Out Of Stock
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    $249.95
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  • New - H&K 91/G3 (7.62x51/.308) Complete Trigger Pack - Semi Auto - HKP-00217
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    HK91, G3 Trigger Pack - Complete - Semi Auto

    H&K Heckler & Koch

    $348.95
    H&K G3/91 (7.62x51/.308) Complete Trigger Pack - Semi Auto HK German manufactured trigger pack complete with all the parts being professionally converted from a factory German F/A trigger pack to semi-only.  Compatible With: HK91, G3, PTR...
    HKP-00217
    $348.95
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  • Out Of Stock
    Used - FMP HK 91/G3 (7.62x51/.308) Complete Bolt Head - HK Contract FMP - Used - HKP-17628 HK91, G3 Complete Bolt Head - HK Contract FMP - Used

    HK91, G3 Complete Bolt Head - HK Contract FMP - Used

    H&K Heckler & Koch

    $59.95
    HK CONTRACT FMP - HK G3 & HK 91 & PTR Bolt Head Complete Made on HK tooling & prints in Portugal in the 1980's. Each used bolt head is complete with all parts installed & 100% functional. Removed from de-milled FMP HK G3 rifles. Each bolt...
    HKP-17628
    $59.95
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    $59.95
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  • Out Of Stock
    Used - XS Front & Rear Night Sight System - HK - HKP-00883 HK MP5, HK90 Series Night Sight System - Front and Rear

    HK MP5, HK90 Series Night Sight System - Front and Rear

    XS Sights

    $153.99
    XS Front & Rear Night Sight System - HK Compatible With: HK MP5, 94 HK MP5K, SP89 HK 90 series or Clones HK 91, G3, PTR HK 93, 33, 53 HK MP5 40/10 HK21 HK 416 Other HK 90 series custom builds that use the diopter-style sights.
    HKP-00883
    $153.99
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    $153.99
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  • On Sale
    HK91, G3, PTR Magazine - 20 Round - Date Coded - USED HK91, G3, PTR Magazine - 20 Round - Date Coded - USED
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    HK91, G3, PTR Magazine - 20 Round - Date Coded - USED

    H&K Heckler & Koch

    Now: $24.95
    Was: $34.95
    Heckler and Koch HK91, G3, PTR 20 Round Date Coded Magazine - USED VARYING CONDITION SHOWN - SOLD INDIVIDUALLY DENTS AND PITTING USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL USED PART SALES ARE FINAL. Factory German HK 20...
    HKP-99439-M
    Now: $24.95
    Was: $34.95
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    Now: $24.95
    Was: $34.95
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  • New - PTR HK 91/G3 (7.62x51/.308) Tactical Forearm - Low Profile - HKP-21806 HK91, G3 Tactical Handguard - Low Profile
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    HK91, G3 Tactical Handguard - Low Profile

    PTR

    $109.95
    PTR HK 91/G3 (7.62x51/.308) Tactical Forearm - Low Profile Made from aircraft-grade aluminum, rock-solid, and lightweight. This forearm allows you to add up to 3 rails on your firearm. That includes the left, right, as well as bottom sides, with the...
    HKP-21806-M
    $109.95
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    $109.95
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  • Used - H&K 91/G3 (7.62x51/.308) Fixed Stock with Enhanced Heavy Buffer - Jungle Green - Surplus - HKP-18935 HK91, G3 Fixed Buttstock with Enhanced Heavy Buffer - Jungle Green - Surplus
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    HK91, G3 Fixed Buttstock with Enhanced Heavy Buffer - Jungle Green - Surplus

    H&K Heckler & Koch

    $129.95
    HK 91, G3 Fixed Stock with Enhanced Heavy Buffer Installed- Jungle Green - Surplus Used jungle green German surplus stock complete with Enhanced Heavy Buffer Installed. Ready to drop in on your HK or clone rifle. Used in perfect working condition. Each...
    HKP-18935
    $129.95
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    $129.95
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  • 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
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    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 - Choate Adjustable Folding Stock 1/2 inch Spacer - HKP-19032 Adjustable Folding Stock 1/2 inch Spacer
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    Adjustable Folding Stock 1/2 inch Spacer

    Choate

    $7.95
    Choate Adjustable Folding Stock 1/2 inch Spacer This spacer adds 1/2 inch to our HK Choate folding stocks that uses the adjustable length of pull spacer system. You can add up to 5 of these spacers to your stock.  
    HKP-19032
    $7.95
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    $7.95
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