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 - AIM HK 91/G3 (7.62x51/.308) Rifle Length Handguard - Keymod - HKP-18179 HK91, G3 Rifle Length Handguard - Keymod
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    HK91, G3 Rifle Length Handguard - Keymod

    AIM

    $89.95
    HK 91, G3, PTR RIFLE LENGTH HANDGUARD - KEY MOD This sleek streamlined design is an ultra low profile handguard with generous mounting space to accept all KeyMod accessories. Superior ergonomics and simple, drop-in installation makes this the best HK...
    HKP-18179
    $89.95
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  • Used - EBO HK G3 (7.62x51/.308) Parts Kit - Tungsten Filled Carrier - (Greek HK Contract) - HKP-17695 HK G3 Parts Kit  - Tungsten Filled Carrier - (Greek HK Contract)
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    HK G3 Parts Kit - Tungsten Filled Carrier - (Greek HK Contract)

    EBO

    $389.95
    HK Contract Greek EBO G3 .308/7.62 X 51mm Surplus Parts Kit Rare and HK Greek EBO Surplus G3 parts kits with the Tungsten filled bolt carriers. Each demilled parts kit comes with all parts from a functional HK G3 full auto rifle except the barrel and...
    HKP-17695
    $389.95
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  • New - H&K/HKP Century AP51 Fixed Stock - Cerakoted - Enhanced Buffer - HKP-22183-M Century Arms AP51 Fixed Stock - Cerakoted - Enhanced Buffer
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    Century Arms AP51 Fixed Stock - Cerakoted - Enhanced Buffer

    HKP HK Parts / Heckler & Koch

    $199.95
    H&K/HKP Century AP51 Fixed Stock - Cerakoted - Enhanced Buffer Each stock starts life as an excellent condition surplus stock.  The stocks are then refinished and the recoil rod modified to work specifically with the AP51. Available...
    HKP-22183-M
    $199.95
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  • New - HKP HK 91/G3 Extractor - Enhanced Coated Polish - HKP-22182-M HK91, G3 Extractor - Enhanced Coated Polish
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    HK91, G3 Extractor - Enhanced Coated Polish

    HKP HK Parts

    $24.95
    HKP HK 91/G3 Extractor - Enhanced Coated Polish  Built for dependable performance, this polished and coated extractor delivers smooth cycling and consistent extraction. A great choice for both upgrades and routine replacements. Compatible With: HK...
    HKP-22182-M
    $24.95
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  • New - HKP 90 Series F1 Flat Trigger - Skeletonized - HKP-21580 HK MP5, G3, HK93 Flat Trigger - Skeletonized
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    HK MP5, G3, HK93 Flat Trigger - Skeletonized

    HKP HK Parts

    $68.95
    HKP 90 Series Flat Trigger - Skeletonized - USA The HK Parts skeletonized flat trigger for 90 series firearms offers improved control, reduced weight, and a modern look. Precision-machined from ordnance-grade billet steel with a QPQ nitride finish for...
    HKP-21580
    $68.95
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  • New - H&K G3/91 (7.62x51/.308) SEF Navy Style Trigger Housing - Clipped & Pinned - HKP-00513 HK91, G3 SEF Navy Style Trigger Housing - Clipped & Pinned
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    HK91, G3 SEF Navy Style Trigger Housing - Clipped & Pinned

    H&K Heckler & Koch

    $179.95
    H&K G3/91 (7.62x51/.308) SEF Navy Style Trigger Housing - Clipped & Pinned New German-made Heckler & Koch grip housing comes in black polymer clipped and pinned, ready to drop on your HK 91, HKG3, PTR-91, or other HK .308 type build. Accepts...
    HKP-00513
    $179.95
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  • New - Choate HK 91/G3 (7.62x51/.308) Adjustable Tactical Folding Stock - HKP-00884 HK91, G3 Adjustable Tactical Folding Stock
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    HK91, G3 Adjustable Tactical Folding Stock

    Choate

    $139.95
    HK G3, 91 & PTR Tactical Folding Stock Each stock is adjustable from 14 1/4" to 15 1/4" using the included adjustable spacer system, which will allow a full 2" range in adjustment for the specific user or mission requirements. Comes with all the...
    HKP-00884
    $139.95
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  • New - H&K Cocking Tube Extrusion - 12" Section - HKP-13487 HK90 Series Cocking Tube Extrusion - 12" Section
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    HK90 Series Cocking Tube Extrusion - 12" Section

    H&K Heckler & Koch

    $54.95
    H&K Factory Cocking Tube Extrusion 12" Section HK cocking tube section is perfect for custom HK cocking tube projects. Overall length is 12" long. All steel and ready for that custom project or custom build. Perfect for custom cocking tube...
    HKP-13487
    $54.95
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  • New - HKP HK 91/G3/MSG90 5 Round Magazine - Steel - (7.62x51/.308) - HKP-16250-M HK91, G3, PTR Magazine - 5 Round
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    HK91, G3, PTR Magazine - 5 Round

    HKP HK Parts

    $79.95
    HKP HK 91/G3/MSG90 5 Round Magazine - Steel - (7.62x51/.308) 5 Round German Steel 308 Magazine With US Made Floorplate (Counts as 1 US made Part for 922R compliance) For HK Rifles.This magazine is made by Heckler and Koch & converted to five rounds...
    HKP-16250-M
    $79.95
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  • New - H&K Sear Complete For HK Burst Trigger Packs - HKP-17028
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    HK MP5K, HK90 Series Burst Trigger Sear Complete

    H&K Heckler & Koch

    $59.95
    Heckler & Koch's Sear Catch for HK90 Series and HK MP5K - Steel - German For Burst Trigger Packs Compatible With: 0,1,3,F 0,1,2,F 0,1,3 0,1,2
    HKP-17028
    $59.95
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  • Out Of Stock
    New - DTAC HK93/33/G3K M-LOK Modular Handguard - HKP-20015 HK33, HK93, G3K M-LOK Modular Handguard

    HK33, HK93, G3K M-LOK Modular Handguard

    DTAC Dakota Tactical

    $189.95
    DTAC HK93, HK33, HK33K, and G3K M-LOK Modular Handguard Modular M-LOK handguard system designed for HK93, HK33, HK33K, and G3K pattern firearms. Precision machined in the USA from T6 aluminum, this one-piece main body provides a rigid mounting platform...
    HKP-20015
    $189.95
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  • Used - H&K 10 Round HK 91, G3, PTR .308 Magazine - Used - HKP-19887 HK91, G3 Magazine - .308 - 10 Round - Used
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    HK91, G3 Magazine - .308 - 10 Round - Used

    H&K Heckler & Koch

    $64.95
    H&K 10 Round HK 91, G3, PTR .308 Magazine - Used Each HK magazine is made by using a factory German HK 20 round mag that is then professionally converted to 10 rounds. Perfect for shooting bench or prone as the 20 round magazines are to long and get...
    HKP-19887
    $64.95
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