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 - B&T HK 417/G36K Flash Hider - HKP-21520 HK416, G3, G36 Flash Hider - 15x1 RH - Rotex Interface - B&T

    HK416, G3, G36 Flash Hider - 15x1 RH - Rotex Interface - B&T

    B&T Brugger & Thomet

    $144.99
    B&T Flash Hider with Interface for Rotex III/V/VA Swiss-made flash hider compatible with NATO A2 suppressor mounting HUB's. Specifications: Made in Switzerland Threaded M15x1 RH NATO spec Does not include face shims Compatible With: HK416,...
    HKP-21520
    $144.99
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    $144.99
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  • Used - H&K 91/G3 (7.62x51/.308) Navy Style Trigger Group (SEF) - Used Good - HKP-00930 HK91, G3 Navy Style Trigger Group (SEF) - Used Good
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    HK91, G3 Navy Style Trigger Group (SEF) - Used Good

    H&K Heckler & Koch

    $354.95
    H&K 91/G3 (7.62x51/.308) Navy Style Trigger Group (SEF) - Used Good These are pulled from German military HK G3 rifles. These work great as spares or for collectible items. These are used but in good shape overall. Includes: SEF Black Polymer...
    HKP-00930
    $354.95
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  • Out Of Stock
    HK91, G3 Trigger Shoe HK91, G3 Trigger Shoe

    HK91, G3 Trigger Shoe

    H&K Heckler & Koch

    $12.95
    HK G3 Trigger Shoe Factory Heckler and Koch G3 trigger shoe.  Compatible With:  HK G3 PSG1 MSG90 In-spec. clones and custom builds  
    HKP-22524
    $12.95
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    $12.95
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  • HK91, G3 Magazine Release Set - USED HK91, G3 Magazine Release Set - USED
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    HK91, G3 Magazine Release Set - USED

    H&K Heckler & Koch

    $24.95
    Heckler and Koch Magazine Release Set (Left to Right) for HK91 and G3 HK-manufactured, used magazine release set for HK .308 pattern rifles. Complete left-to-right mag catch assembly with both push-button and paddle controls. Expect finish wear and...
    HKP-22466
    $24.95
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  • HK G3K, HK33 Flash Hider - 4 Prong Enclosed
HK G3K, HK33 Flash Hider - 4 Prong Enclosed
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    HK G3K, HK33 Flash Hider - 4 Prong Enclosed

    RCM

    $187.95
    RCM HK G3K & HK33 Flash Hider - 4 Prong - Enclosed End The RCM G3K flash hider can be welded to a 12.69" barrel to achieve a non-SBR OAL of 16 plus inches or add to any other configuration. Made in the US from ordnance grade steel and counts as 1...
    HKP-21598
    $187.95
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  • Out Of Stock
    New - H&K MP5, 93/53/33, G3/91 (9mm, 5.56/.223, 7.62/.308) 3 Position (0,1,3 Pictogram) Universal Burst Trigger Housing - Clipped & Pinned - HKP-20404 HK MP5, 93/53/33, G3/91 (9mm, 5.56/.223, 7.62/.308) 3 Position (0,1,3 Pictogram) Universal Burst Trigger Housing - Clipped & Pinned

    HK MP5, 93/53/33, G3/91 (9mm, 5.56/.223, 7.62/.308) 3 Position (0,1,3 Pictogram) Universal Burst Trigger Housing - Clipped & Pinned

    H&K Heckler & Koch

    $0.00
    H&K MP5, 93/53/33, G3/91 (9mm, 5.56/.223, 7.62/.308) 3 Position (0,1,3 Pictogram) Universal Burst Trigger Housing - Clipped & Pinned Introducing the new Factory German trigger housing, designed for use in safe, semi, and burst configurations...
    HKP-20404
    $0.00
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  • Out Of Stock
    New - HKP HK 91/G3 (7.62x51/.308) 20 Round Steel Magazine - Latest HK Production - HKP-00542 HK91, G3 20 Round Steel Magazine - Latest HK Production

    HK91, G3 20 Round Steel Magazine - Latest HK Production

    H&K Heckler & Koch

    $0.00
    HK 91, G3, PTR .308 20 Round All Steel Magazine - German HK HK .308 factory steel 20 round all steel magazine. Each magazine is the latest HK German manufactured. Compatible With: HK 91 HK G3 PTR-91, PTR PDW Vector 51, G3K, HK51, HK51K Century C308...
    HKP-00542
    $0.00
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  • New - HK German SEF SEMI .308 Clipped & Pinned Trigger Group - HKP-00210-CP Semi-Auto SEF Trigger Group - .308
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    Semi-Auto SEF Trigger Group - .308

    H&K Heckler & Koch

    $549.95
    HK German SEF SEMI .308 Clipped & Pinned Trigger Group The new HK German-made semi-auto trigger group comes in .308 caliber already clipped & pinned. Compatible With: HK 91 HK G3 C308 PTR-91 HK .308 rifles. SEF Navy Style Trigger Group...
    HKP-00210-CP
    $549.95
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  • HK51, PTR PDW Stock - AR15 Style
HK51, PTR PDW Stock - AR15 Style
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    HK51, PTR PDW Stock - AR15 Style

    PTR

    $339.95
    HK51, PTR PDW Magpul Stock - AR-15 Style AR15/M16 to HK 90 series stock adapter for the HK51 and PTR PDW. This is a perfect compliment for those that want to use the popular Magpul Moe stock. Each adapter includes the proprietary locking ring, Magpul MOE...
    HKP-15753
    $339.95
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  • On Sale
    New - AIM HK 91 Carbine Length Handguard - Keymod - HKP-18178 HK HK91 Handguard - Carbine Length - Keymod
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    HK HK91 Handguard - Carbine Length - Keymod

    AIM

    Now: $48.95
    Was: $84.95
    HK91 CARBINE LENGTH HANDGUARD- KEYMOD This sleek streamlined design is an ultra-low-profile handguard with generous mounting space to accept all Keymod accessories.  Compatible With: Carbine length variants only. Specifications: Black...
    HKP-18178
    Now: $48.95
    Was: $84.95
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    Was: $84.95
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  • New - H&K 3 Position Ambidextrous Selector Lever - BURST ONLY - HKP-01294 HK 3 Position Ambidextrous Selector Lever - BURST ONLY
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    HK 3 Position Ambidextrous Selector Lever - BURST ONLY

    H&K Heckler & Koch

    $99.47
    H&K 3 Position Ambidextrous Selector Lever - BURST ONLY This selector lever will convert any 4 position 0, 1, 2, F or 0, 1, 3, F trigger group to non-full auto BURST capability only, making the rotation 3 position instead of 4 position. This selector...
    HKP-01294
    $99.47
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  • On Sale
    HK Linear Compensator - Threaded 15x1 RH - 5.56 and .308 - BLEMISHED HK Linear Compensator - Threaded 15x1 RH - 5.56 and .308 - BLEMISHED
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    HK Linear Compensator - Threaded 15x1 RH - 5.56 and .308 - BLEMISHED

    HKP HK Parts

    Now: $89.95
    Was: $149.95
    HKP HK Linear Compensator - Threaded 15x1 RH - 5.56 and .308 - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Linear compensators give you the best of...
    HKP-99398
    Now: $89.95
    Was: $149.95
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    Now: $89.95
    Was: $149.95
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