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 - MM HK 33/91/93/G3 5.56/.223 & 7.62x51/.308 Clubfoot With Heavy Rubber Buttpad - HKP-01144 HK33, HK93, HK91, G3 Clubfoot Stock With Heavy Rubber Buttpad

    HK33, HK93, HK91, G3 Clubfoot Stock With Heavy Rubber Buttpad

    Michaels Machines

    $229.95
    US-Made Clubfoot (21E/23E Style) Central Buttstock Section With US Heavy Rubber Buttpad Fits all HK 91/G3/21/23 and HK93/33/53 backplates and buffers. Just add your buffer and backplate and you are good to go. Great replacement or upgrade for your HK...
    $229.95
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  • Used - H&K MP5 9mm SEF Navy Style Trigger Housing - Clipped & Pinned - USED - HKP-19787 HK MP5 9mm SEF Navy Style Trigger Housing - Clipped & Pinned - USED
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    HK MP5 9mm SEF Navy Style Trigger Housing - Clipped & Pinned - USED

    H&K Heckler & Koch

    $89.95
    H&K MP5 9mm SEF Navy Style Trigger Housing - Clipped & Pinned - USED In used but good condition. Each German HK housing will have some handling marks, nicks and dings. Each housing is in perfectly useable condition and each unit has been clipped...
    $89.95
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  • New - HKP Ambi Housing Franklin Armory Binary Selector Set - HKP-19816 HK Binary Selector Set - Ambi Housing
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    HK Binary Selector Set - Ambi Housing

    HKP HK Parts

    $79.95
    Aluminum HK Selector Lever Set for BFSIII HK Binary Trigger Pack - Ambi pictogram housings Our new Aluminum Selector Lever Set was modeled after the HK Ambi Style Selector Lever. Designed to work  flawlessly with  Franklin Armory Trigger Pack...
    $79.95
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  • New - H&K Universal Gun Cleaning Wick Set - 8 Piece Set - HKP-17646 HK Rifle Cleaning Wick Set - 8 Piece Set - Universal
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    HK Rifle Cleaning Wick Set - 8 Piece Set - Universal

    H&K Heckler & Koch

    $1.95
    Original German Army Issue HK91/G3/PTR Cleaning Kit Wick - Set of 8 Originally issued for the G3,91 & MG3 firearms but will work on pretty much any and all rifles & pistols. Each set comes with 8 BRAND NEW German manufactured cleaning wicks. Each...
    $1.95
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  • Used - H&K HK G3/HK 91/PTR Parts Kit - PTR Barrel, Flat - Hand Picked - HKP-20071
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    HK91, G3 Parts Kit- Hand Picked - PTR Barrel and Receiver Flat

    H&K Heckler & Koch

    $879.95
    G3, 91 Hand Picked Parts Kit - PTR Barrel and Receiver Flat Features: Handpicked stock set Handpicked housing, grip Handpicked magazine Handpicked end date coded bolt group New cocking tube included Full-auto bolt group PTR 18" GI barrel - 5/8 x...
    $879.95
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    $879.95
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  • New - MKE PTR PDW Retractable Stock - HKP-21376 HK51, PTR PDW Retractable Stock - A3
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    HK51, PTR PDW Retractable Stock - A3

    MKE

    $459.95
    MKE HK51, PTR PDW Retractable Stock A3 Factory new MKE stock professionally converted to fit HK51 and PTR PDW rifles and pistols. This stock was modified with a heavy profile collapsing rod insert heat treated for longevity. The correct collapsing length...
    $459.95
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    New - HKP 90 Series Sear - HKP-00378 HK90, MP5K Sear Catch - Steel - US

    HK90, MP5K Sear Catch - Steel - US

    HKP HK Parts

    $47.95
    HKP HK Parts HK90, HK MP5K Sear Catch - Steel - USA Made - Billeted Machined - Steel Hard to find and important for keeping your HK build 922r compliant. This US-made sear counts as one US-compliant part for your rifle or build. Machined from a bar of...
    $47.95
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  • New - H&K 91/G3 (7.62x51/.308) Mag Release Set - HKP-00929 HK91, G3 Mag Release Set
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    HK91, G3 Mag Release Set

    H&K Heckler & Koch

    $34.95
    Heckler and Koch Magazine Release Set (Left to Right) for HK91, G3 This magazine catch set consists of 4 pieces and is HK-manufactured. Includes: Magazine Catch Magazine Catch Spring Push Button Clamping Sleeve to retain Push Button Compatible...
    $34.95
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  • New - HKP HK 91 Polymer To Metal Trigger Group Conversion Kit - HKP-17362 HK91 Polymer To Metal Trigger Group Conversion Kit
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    HK91 Polymer To Metal Trigger Group Conversion Kit

    HKP HK Parts

    $225.95
    HK 91/PTR 91 Polymer To Metal Trigger Group Conversion Kit. This is everything you will need to convert the lower trigger group on your HK 91 from polymer to metal housing with contoured grip. Just use your existing trigger pack to complete the...
    $225.95
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  • New - H&K Roller Sear For SEF, Navy Trigger Packs - HKP-01710 HK Roller Sear For SEF, Navy Trigger Packs
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    HK Roller Sear For SEF, Navy Trigger Packs

    H&K Heckler & Koch

    $29.95
    H&K Roller Sear For SEF & Navy Trigger Packs It is the newer style, not the older friction type of sear. This item is also referred to as the catch with a roller but is more commonly called a sear.
    $29.95
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  • New - AIM HK 91/G3 (7.62x51/.308) Extended Rifle Length Handguard - M-LOK - HKP-18173 HK91, G3 Extended Rifle Length Handguard - M-LOK
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    HK91, G3 Extended Rifle Length Handguard - M-LOK

    AIM

    $129.95
    HK G3 EXTENDED RIFLE LENGTH HANDGUARD- M-LOK The most innovative and modular HK variant handguard on the market, our M-LOK HK forend can be used with all modern and traditional shooting techniques. CNC machined aluminum construction makes for a solid,...
    $129.95
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  • New - HKP 91/93/33/G3 (7.62x51/.308) Enhanced HK Buffer For HK German MSG90 & PSG1 - HKP-01014 HK91, G3, HK93, HK33, PTR Buffer - Enhanced
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    HK91, G3, HK93, HK33, PTR Buffer - Enhanced

    HKP HK Parts

    $129.95
    HKP Enhanced Buffer This buffer is the factory correct style PSG1 & MSG90 stock buffer found in all factory HK PSG1, MSG90 German stocks. The overall diameter is .80" Compatible With: HK 91 G3, 93, 33, or PTR stock.
    $129.95
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