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 - HKP HK 91/G3 (7.62x51/.308) Fixed Stock Complete with Enhanced Heavy Buffer - Black - HKP-18937
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    HK91, G3 Fixed Stock Complete with Enhanced Heavy Buffer - Black

    HKP HK Parts

    $279.95
    New HK91, G3, PTR-91 U.S Made (PTR-91 Manufactured) Fixed Stock with Enhanced Buffer Installed Made from all German & U.S. made HK parts. This stock will fit any of the HK G3 & HK 91 & PTR rifles. This stock also counts as one U.S. compliant...
    HKP-18937
    $279.95
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  • Out Of Stock
    New - HK German Leather Sling - HKP-20485 HK German Leather Sling

    HK German Leather Sling

    H&K Heckler & Koch

    $99.95
    German HK Leather 2 point sling - New Comes with HK sling hook. Complete and new condition. Made with leather straps and steel hardware and HK sling hook. Compatible With: HK91 G3 PTR91 & CETMEHK93 33 53HK94 MP5HK clones or other custom...
    HKP-20485
    $99.95
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    $99.95
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  • New - H&K HK MR556/416 A5 Ambi Selector Lever Set Complete - Black - HKP-19375 HK416A5, MR556 Ambi Selector Lever Set Complete
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    HK416A5, MR556 Ambi Selector Lever Set Complete

    H&K Heckler & Koch

    $179.95
    H&K HK MR556/416 A5 Ambi Selector Lever Set Complete New HK German manufacture. Complete kit to upgrade the selector lever set on the MR556 to the newer HK 416A5 semi style of levers. A drop in upgrade for the MR556 & CR556. Includes: HK 416 A5...
    HKP-19375
    $179.95
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  • New - MFI HK (5.56/.223) & (7.62x51/.308) G28 Style Flash Hider - Threaded 15x1 - HKP-16337 MFI HK (5.56/.223) & (7.62x51/.308) G28 Style Flash Hider - Threaded 15x1
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    MFI HK (5.56/.223) & (7.62x51/.308) G28 Style Flash Hider - Threaded 15x1

    MFI

    $79.95
    MFI HK G28 Style Flash Hider - Threaded 15x1 The G28, 2nd Gen flash hider is threaded 15x1 RH pitch, which is a standard HK Thread Pattern for .308 and .223 caliber weapons. It also has a deep counter bore to allow the product to cover the area behind...
    HKP-16337
    $79.95
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  • New - HKP (5.56/.223) & (7.62x51/.308) 4 Prong Micro Flash Hider - Threaded 15x1 RH - HKP-02189 Micro Flash Hider - 4 Prong - Threaded 15x1 RH - 5.56 / .223 - 7.62x51 / .308
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    Micro Flash Hider - 4 Prong - Threaded 15x1 RH - 5.56 / .223 - 7.62x51 / .308

    USA

    $64.95
    HKP (5.56/.223) & (7.62x51/.308) 4 Prong Micro Flash Hider - Threaded 15x1 RH New shorter "micro" version US-made 4-prong flash hider threaded 15x1 RH. Micro FH will fit all HK .223 & .308 threaded barrel applications and barrels. Made from...
    HKP-02189
    $64.95
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  • New - H&K 33/91/G3 Complete Triple Frame Front Sight Tower - HKP-18777 HK33, HK91, G3 Complete Triple Frame Front Sight Tower
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    HK33, HK91, G3 Complete Triple Frame Front Sight Tower

    H&K Heckler & Koch

    $29.95
    NEW HK German Front Sight Tower Triple Frame G3 triple frame in. Comes complete with sight blade and roll pin. Compatible With: HK G3 HK G3K HK 93 HK 33
    HKP-18777
    $29.95
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  • New - H&K Selector Catch Lever for HK Ambidextrous Trigger Packs - HKP-01636
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    HK Selector Catch Lever - Ambi Trigger Packs

    H&K Heckler & Koch

    $26.95
    HK German Ambidextrous Trigger Pack Axle Catch Lever This is the lever that allows you to take apart any of the ambidextrous trigger packs. This lever takes the spring tension off the left and right side selector levers, allowing you to remove and...
    HKP-01636
    $26.95
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  • Used - H&K HK91, G3, PTR Parkerized Backplate & Recoil Rod Assembly - Parkerized - HKP-19692 HK91, G3, PTR Backplate, Recoil Rod Assembly - Parkerized
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    HK91, G3, PTR Backplate, Recoil Rod Assembly - Parkerized

    H&K Heckler & Koch

    $34.95
    Parkerized Backplate - HK91, G3, PTR Surplus German HK backplate that has been refinished and reparkerized. 
    HKP-19692
    $34.95
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  • Used - H&K 91/G3 (7.62x51/.308) SEF Navy Style Trigger Group HK G3 - Used Excellent - HKP-18670 HK91, G3 SEF Navy Style Trigger Group HK G3 - Used Excellent
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    HK91, G3 SEF Navy Style Trigger Group HK G3 - Used Excellent

    H&K Heckler & Koch

    $389.95
    H&K 91/G3 (7.62x51/.308) Navy Style Trigger Group (SEF) - Used Excellent HK factory German HK G3 & HK 91 Full Auto Trigger Group Complete. Pulled from German military HK G3 rifles. These work great as spares or for collectible items. Used in...
    HKP-18670
    $389.95
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    $389.95
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  • New - H&K 0,1 Extended Left Side Ambidextrous Selector Lever - HKP-00124
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    HK Lever - Selector - 0,1 - Extended - Ambidextrous

    H&K Heckler & Koch

    $78.95
    HK German Left Side Ambidextrous EXTENDED (ESSL) FBI (0,1) Lever  New German HK extended selector lever for the left side of all safe and semi-ambidextrous trigger packs SP5K. Compatible With: MP5, 94 MP5 clone and custom builds
    HKP-00124
    $78.95
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  • New - Blitzkrieg HK MP5 Flat Front Sight Gen 2 - Luminescent Green - HKP-21102 HK MP5 Flat Front Sight - Gen 2 - Luminescent Green
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    HK MP5 Flat Front Sight - Gen 2 - Luminescent Green

    Blitzkrieg Components

    $87.95
    Blitzkrieg HK MP5 Flat Front Sight Gen 2 - Luminescent Green The Blitzkrieg Gen 2 HK-style front sight offers an advanced sighting solution with enhanced precision and visibility. Featuring a conventional flat-tipped post and a bright...
    HKP-21102
    $87.95
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    $87.95
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  • New - RCM HK 51 (7.62x51/.308) Barrel - Threaded 15x1 RH - HKP-02391 HK51 Barrel - 7.62 / .308 - 8.375" - Threaded 15x1 RH
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    HK51 Barrel - 7.62 / .308 - 8.375" - Threaded 15x1 RH

    RCM

    $164.95
    RCM HK 51 (7.62x51/.308) Barrel - Threaded 15x1 RH Crafted to precise HK51 specifications, this barrel utilizes HK's renowned cold hammer forged (CHF) process. Features include a knurled sight ring, splined design for secure flash hider attachment, and a...
    HKP-02391
    $164.95
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    $164.95
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