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 90 Series Hammer - MP5/G3/93/53/33 - German - Used - HKP-21442 HK 90 Series Hammer - MP5/G3/93/53/33 -  German - Used
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    HK 90 Series Hammer - MP5/G3/93/53/33 - German - Used

    H&K Heckler & Koch

    $29.95
    Hammer, Full Auto HK 90 Series Trigger Packs - German HK - Used German HK Hammer- used, surplus in VG-EXC shape and in perfect working order. This hammer is the hammer that is most commonly used in semi auto trigger packs as the secondary sear catch is...
    $29.95
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  • Used - H&K 91/G3 (7.62x51/.308) Backplate & Recoil Rod Assembly Complete - HKP-16144 HK  91/G3 (7.62x51/.308) Backplate & Recoil Rod Assembly Complete
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    HK 91/G3 (7.62x51/.308) Backplate & Recoil Rod Assembly Complete

    H&K Heckler & Koch

    $24.95
    H&K 91/G3 (7.62x51 / .308) Backplate & Recoil Rod Assembly Complete Used- Surplus- in good shape. Each backplate comes in the parkerized finished as issued to the German military complete and 100% serviceable. Ready to install. This is also a...
    $24.95
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    $24.95
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  • New - H&K Ambidextrous Selector Lever - Right Side - HKP-00127 HK Ambidextrous Selector Lever - Right Side
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    HK Ambidextrous Selector Lever - Right Side

    H&K Heckler & Koch

    $89.95
    H&K Ambidextrous Selector Lever - Right Side This is the right-side selector of the ambidextrous trigger packs. This part will only work on ambidextrous style or pictogram style housing and trigger packs. New HK German manufactured.  Compatible...
    $89.95
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  • New - H&K Ambidextrous Sling Pin O-Ring - HKP-01090
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    HK Ambidextrous Sling Pin O-Ring

    H&K Heckler & Koch

    $1.95
    H&K Ambidextrous Sling Pin O-Ring HK ambidextrous sling pin replacement O-ring for all ambidextrous sling pins. This item is a common wear/breakage part that does need to be replaced from time to time. This is the part that creates the + seal to keep...
    $1.95
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    $1.95
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  • New - HKP 90 Series F1 Flat Trigger - HKP-21537 HKP 90 Series F1 Flat Trigger
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    HKP 90 Series F1 Flat Trigger

    HKP HK Parts

    $49.95
    HKP 90 Series F1 Flat Trigger  With the utmost attention to detail in the design and manufacture of the HK Parts F1 flat 90 series trigger. Each F1 flat trigger will fit all 0,1 & SEF & Navy style trigger packs. Each trigger counts as one US...
    $49.95
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  • Out Of Stock
    New - HKP HK 91/G3/PSG1/HK11 50 Round Drum Magazine - HKP-21615 HK91, G3, PSG1, HK11 Magazine - 50 Round Drum

    HK91, G3, PSG1, HK11 Magazine - 50 Round Drum

    HKP HK Parts

    $359.95
    HKP 50 Round Drum HK91, G3, PSG1/MSG90, HK11 - 7.62x51/.308 Modeled after the discontinued HK G8 50 round drum, the HK Parts drum steps in where the original left off.  Each drum is crafted in the US from billet aluminum with aluminum and steel...
    $359.95
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  • Used - H&K HK G3, HK 91, PTR, HK 93, HK 53, HK 33 Anti-Rattle Mag Release - Black - Surplus - HKP-17855 HK G3/HK91 Anti-Rattle Mag Release - Surplus
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    HK G3/HK91 Anti-Rattle Mag Release - Surplus

    H&K Heckler & Koch

    $24.95
    H&K HK G3, HK 91, PTR, HK 93, HK 53, HK 33 Anti-Rattle Mag Release - Surplus Pulled from demilled German HK firearms. Once refinished this item can be made to look like new. For install on all HK .223 & .308 HK Rifles. This is the highly desired...
    $24.95
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  • On Sale
    New - PTR PDW (7.62x39) & (7.62x51/.308) Backplate With Recoil Rod - HKP-02665 HK51, PTR PDW Backplate With Recoil Rod
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    HK51, PTR PDW Backplate With Recoil Rod

    PTR

    Now: $82.46
    Was: $149.95
    HK51, PTR PDW Backplate With Recoil Rod Each unit has been built with new HK parts and painted HK black, ready for use. The PTR PDW is the collapsible recoil-style assembly designed for use on HK51-style builds. This backplate will work on any fixed...
    Now: $82.46
    Was: $149.95
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    Now: $82.46
    Was: $149.95
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  • New - H&K 93/91/33/53/G3 (5.56/.223) & (7.62x51/.308) Bolt Locking Lever Spring For Bolt Head - HKP-16274
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    HK33, HK53, HK93, HK91, G3 Bolt Locking Lever Spring For Bolt Head

    H&K Heckler & Koch

    $4.95
    HK Bolt Carrier Bolt Locking Lever Spring New HK German factory bolt carrier locking lever spring for locking lever latch. Compatible With: HK G3, HK91 PTR models HK93, 33, 53 Other clones and custom builds
    $4.95
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  • New - Franklin Armory HK MP5/91/93 Binary Trigger Pack - HK-C1 - HKP-18434 HK MP5K, SP5K, HK91, G3 Series Binary Trigger - Curved - BFSIII
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    HK MP5K, SP5K, HK91, G3 Series Binary Trigger - Curved - BFSIII

    FA Franklin Armory

    $629.99
    Franklin Armory BFSIII HK-C1 Binary Trigger Pack for HK MP5K, HK SP5K, HK91, and HK G3 The BFSIII™ for HK is a 3-Position Trigger. In position 3 it will fire 1 round on Pull and 1 round on Release. This makes it the fastest semi-automatic trigger...
    $629.99
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  • New - HKP 0,1 Extended Left Side Ambidextrous Selector Lever & Right Side Set - HKP-17229 HKP 0,1 Extended Left Side Ambidextrous Selector Lever & Right Side Set HKP HK Parts HKP-17229
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    HK 0,1 Extended Left Side Ambidextrous Selector Lever & Right Side Set

    HKP HK Parts

    $99.95
    Left Side Extended & Standard Right Side Ambidextrous Selector Lever Set- 0,1 New for the US market is a pair of ambi selector levers for use ambidextrous 9X series trigger packs and trigger groups. 2 position Safe & semi only functions 0,1...
    $99.95
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  • Out Of Stock
    New - Choate HK 91/G3 (7.62x51/.308) Folding Stock Replacement Buffer - HKP-00211

    HK91, G3 Buffer - Folding Stock - Replacement

    Choate

    $3.95
    Choate HK 91 & G3 (7.62x51/.308) Folding Stock Replacement Buffer Choate .308 folding stock replacement buffer for all HK91/G3 PTR stocks. A great item to have on hand as these do wear and are prone to breaking. Compatible With: HK 91/G3
    $3.95
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    $3.95
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