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 - H&K Universal Cleaning Kit - HKP-19031 HK91, G3, MSG90 Cleaning Kit - .308 to .351 Calibers
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    HK91, G3, MSG90 Cleaning Kit - .308 to .351 Calibers

    H&K Heckler & Koch

    $64.95
    New - Original HK German MSG90/HK91/G3 Cleaning Kit - Old Stock Each cleaning kit kit comes complete with brass brush, oil brush, oil tube, hand cleaning brush, and pull chain. Originally built for the G3,91 & MG3 but will work on all .308 - .351 ...
    HKP-19031
    $64.95
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  • New - HKP Tactical Rail - 6 Inch - HK91/93 - HKP-00831 HK91, G3 Tactical Rail - 6 Inch
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    HK91, G3 Tactical Rail - 6 Inch

    HKP HK Parts

    $24.95
    HKP Tactical Rail - 6 Inch The six mounting screws are also included with each rail. This rail will fit on either the left or right side or the bottom of the PTR and HK91/93 tactical handguards. Up to three rails can be used on each forearm. Compatible...
    HKP-00831
    $24.95
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  • New - H&K 91/G3 (7.62x51/.308) Magazine Clamp - HKP-00219
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    HK91, G3 Magazine Clamp

    H&K Heckler & Koch

    $149.95
    New HK German Magazine Clamp for all HK .308 Magazines New German HK G3 & HK 91 Magazine Clamp fits all HK G3 & HK 91 & PTR 91 steel or aluminum magazines. Clamps HK magazines together for tactical environments. Please Note: This part is no...
    HKP-00219
    $149.95
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  • New - HK 91, G3, PTR Grip Frame SEF- Metal HK German - HKP-17637 HK91, G3, PTR Grip Frame SEF- Metal HK German
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    HK91, G3, PTR Grip Frame SEF- Metal HK German

    $189.95
    HK91, G3, PTR-91 Style Metal Grip Frame SEMI Each German HK housing started out as a factory HK German select fire metal housing. Each housing then had the housing professionally modified by welding in a factory correct semi auto shelf. After the...
    HKP-17637
    $189.95
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  • New - B&T MP5, HK33, G3, PTR - Mid Range Mount - HKP-16882 HK MP5, HK33, G3 Optic Mount - Mid Range
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    HK MP5, HK33, G3 Optic Mount - Mid Range

    B&T Brugger & Thomet

    $129.95
    B&T MP5, HK33, G3, PTR - Mid Range Mount This scope mount will allow the the use of the HK fixed sights (through an oval opening) and also allowing the optic to sit higher thant the front sight tower for an unobstructed view. This will allow the use...
    HKP-16882
    $129.95
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  • Out Of Stock
    Like New- H&K MP5, 93/53, G3 (9mm, 5.56/.223, 7.62/.308) 3 Position (S,U,O Pictogram) Contract Housing - Clipped & Pinned - USED - HKP-20031 HK MP5, HK53, HK53, G3 Contract Housing - 3 Position S,U,O Pictogram - Clipped and Pinned - 9mm, 5.56 / .223, 7.62 / .308 - Like New

    HK MP5, HK53, HK53, G3 Contract Housing - 3 Position S,U,O Pictogram - Clipped and Pinned - 9mm, 5.56 / .223, 7.62 / .308 - Like New

    Other

    $119.95
    HK MP5, HK93 HK53, G3 (9mm, 5.56/.223, 7.62/.308) 3 Position (S,U,O Pictogram) Contract Housing - Clipped & Pinned - Like New Upgrade your HK93 or HK53 with this S,U,O polymer lower housing, a Malaysian contract housing designed for SEF type trigger...
    HKP-20031
    $119.95
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  • New - HKP Elbow Spring Spacer For Semi-Auto - HKP-18210 HK MP5, HK90 Series Bushing Sleeve for Elbow Spring - Semi Auto
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    HK MP5, HK90 Series Bushing Sleeve for Elbow Spring - Semi Auto

    HKP HK Parts

    $8.95
    HK Parts Distance Sleeve replacement for your elbow spring in your Semi-Auto MP5  New USA manufacture. Semi auto spacer for elbow spring on the HK 90 series trigger packs. Micro polished and made from stainless steel. This is the finest semi auto...
    HKP-18210
    $8.95
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  • New - Meprolight HK MP5, G3, 33, PTR, SP5 Night Sight Set - HKP-02564 HK MP5, G3, HK33, PTR, SP5 Night Sight Set
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    HK MP5, G3, HK33, PTR, SP5 Night Sight Set

    Meprolight

    $109.00
    Meprolight HK MP5, G3, 33, PTR, SP5 Night Sight Set  Meprolight produces a bright green night sight available for Heckler & Koch sub guns and rifles. These tritium night sight inserts are a no-brainer for a quicker, more accurate point-and-shoot...
    HKP-02564
    $109.00
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  • New - HKP 2 Point Leather Sling - OD Green - HKP-20164 HKP 2 Point Leather Sling - OD Green
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    HKP 2 Point Leather Sling - OD Green

    HKP HK Parts

    $49.95
    HKP 2 Point Leather Sling - OD Green These new HK Parts 2-point slings are based off of the original German HK design that are no longer offered. This is a 1st time offering, handcrafted by a German artisan. Made in the USA from quality leather and...
    HKP-20164
    $49.95
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  • New - PTR PDW (7.62x39) & (7.62x51/.308) Fixed Stock - HKP-02408 HK51, PTR PDW Fixed Stock
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    HK51, PTR PDW Fixed Stock

    PTR

    $299.95
    PTR Fixed Stock for HK51 and PTR PDW 7.62x39 and 7.62x51 / .308  Each stock is constructed of new U.S. & German HK parts. This stock also counts as one U.S. 922r compliant part. Perfect for those that have registered sears or want to SBR your...
    HKP-02408
    $299.95
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  • Used - H&K 91/G3 (7.62x51/.308) 20 Round Magazine - Steel - Refinished - HKP-21587 HK91, G3 20 Round Magazine - Steel - Refinished
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    HK91, G3 20 Round Magazine - Steel - Refinished

    H&K Heckler & Koch

    $57.95
    HK German 20 Round Steel Magazine - Refinished HK G3 factory steel 20-round magazine, expertly restored to its former glory. This magazine has been meticulously refinished inside and out, featuring a polished follower along with a fully parkerized finish...
    HKP-21587
    $57.95
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  • New - Ambi Housing- Franklin Armory Binary Selector Set - Skeletonized - HKP - HKP-20470-M HK MP5, MP5K Binary Selector Set - Ambi Housing - Skeletonized - HK
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    HK MP5, MP5K Binary Selector Set - Ambi Housing - Skeletonized - HK

    HKP HK Parts

    $79.95
    HKP/H&K MP5, MP5K 9mm Selector Lever Set For Franklin Armory BFSIII HK Binary Trigger Pack - Skeletonized Aluminum The HKP skeletonized aluminum selector lever set was modeled after the HK ambi style selector lever and modified for a cleaner...
    HKP-20470-M
    $79.95
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