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 Ambidextrous Left Side Extended ESSL 4 Position Burst - HKP-00126
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    HK MP5 Selector Lever - Left Side - Extended 4 Position Ambi - ESSL

    H&K Heckler & Koch

    $299.95
    HK German Ambidextrous Left Side EXTENDED Safety Selector Lever 4 Position Burst (0,1,3, F) The ESSL will allow the user to have an easier time getting to the selector lever than a standard length lever. Great for those who...
    HKP-00126
    $299.95
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    $299.95
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  • Used - H&K G3/91 Trunnion- Used - HKP-00718 H&K G3/91 Trunnion- Used H&K Heckler & Koch HKP-00718
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    HK91, G3 Trunnion - Used

    H&K Heckler & Koch

    $39.95
    HK German HK G3 & HK 91 Trunnion - Used These trunnions are from demilled G3 parts kits and will have leftover receivers and barrel stubs installed along with factory barrel pins. Please note the picture shows one with the demilled parts removed...
    HKP-00718
    $39.95
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  • New - Choate PTR PDW (7.62x39) & (7.62x51/.308) Folding Stock - hkp-14348 HK51, PTR PDW Folding Stock
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    HK51, PTR PDW Folding Stock

    Choate

    $228.95
    Choate PTR PDW (7.62x39) & (7.62x51 /.308) Folding Stock New HK Choate side folding stock complete with sling swivel, new German HK backplate, and ready to drop on your favorite HK rifle. No gunsmith is needed as this is an easy-to-do drop in stock...
    HKP-14348
    $228.95
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  • New - XS Sight Systems Front Night Sight - HKP-02066 HK MP5, HK90 Series Front Sight Post - Night Sight
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    HK MP5, HK90 Series Front Sight Post - Night Sight

    XS Sights

    $92.99
    XS Sights Night Sight Front Sight Post with the Standard Dot Size This part works wonders in low-light situations and tactical environments. This is simply the best front-sight post you can get for your HK. Because of the reach of the MP5 and...
    HKP-02066
    $92.99
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  • On Sale
    New - Cleaning Kit - Soft Pouch - .308/7.62x51/.30 Cal. - HKP-21274 HK Rifle Cleaning Kit - Soft Pouch - 7.62 / .308 / .30
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    HK Rifle Cleaning Kit - Soft Pouch - 7.62 / .308 / .30

    Now: $9.95
    Was: $14.95
    Cleaning Kit - Soft Pouch NOS (new old stock) soft pouch cleaning kit for the .30 caliber family of firearms. Includes the following: Soft pouch Wicks and oiler canister (empty) Pull-through tubing  2 sets of brushes
    HKP-21274
    Now: $9.95
    Was: $14.95
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  • On Sale
    New - MKE HK MP5 Rear Sights Locking Washer - HKP-22240
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    HK MP5 Rear Sights Locking Washer

    MKE

    Now: $1.95
    Was: $2.45
    MKE HK MP5 Rear Sights Locking Washer Secures the rear sight assembly on MKE and HK MP5 models to maintain proper alignment. Compatible With: Century Arms AP5 HK MP5/MP5K HK SP5/SP5K Will work with all 90 series firearms
    HKP-22240
    Now: $1.95
    Was: $2.45
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    Now: $1.95
    Was: $2.45
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  • New - HK91, G3 7.62x51 / .308 Magazine Catch - HKP-02073 HK91, G3 Magazine Catch
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    HK91, G3 Magazine Catch

    H&K Heckler & Koch

    $19.95
    Heckler and Koch Magazine Catch for HK G3 and HK91 High-quality HK German production units are brand-new. These also have the proper newer style cut in them and round shafts. Compatible With: HK91, G3 PTR91
    HKP-02073
    $19.95
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    $19.95
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  • New - PTR HK 91/G3 (7.62x51/.308) M4 Stock Complete - HKP-16142 HK91, G3 M4 Stock, Complete
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    HK91, G3 M4 Stock, Complete

    PTR

    $234.95
    PTR HK 91/G3 (7.62x51/.308) M4 Stock Complete AR15/M16 retractable stock combo set up for use on an HK91, G3 & PTR91 style of rifles. This is a perfect compliment for those that want to use an AR M4 style stock on your HK rifle or SBR. Each stock set...
    HKP-16142
    $234.95
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  • Out Of Stock
    New - H&K HK53/HK51 Handguard - Full Length - HKP-00468 HK53, HK51 Handguard - Full Length

    HK53, HK51 Handguard - Full Length

    H&K Heckler & Koch

    $59.95
    H&K HK53/HK51 Handguard - Full Length H&K German manufactured HK51 and HK53 polymer handguard. This handguard is the proper length to cover the extended portion of the trunnion found on the HK53 and HK51 style of firearms. Compatible...
    HKP-00468
    $59.95
    Out Of Stock
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    $59.95
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  • Out Of Stock
    HK91, G3, MSG90 10 Round Magazine - Alloy H&K Heckler & Koch HKP-22418 HK91, G3, MSG90 10 Round Magazine - Alloy H&K Heckler & Koch HKP-22418

    HK91, G3, PTR Magazine - 10 Round - Alloy

    H&K Heckler & Koch

    $37.95
    H&K HK91, G3, MSG90 10 Round Magazine - Alloy This part counts as 1 US-made part for 922r compliance for HK rifles. Manufactured by HK and converted to ten round capacity in the United States using a US-made floorplate. Compatible With: HK91 HK...
    HKP-22418
    $37.95
    Out Of Stock
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    $37.95
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  • New - Choate PTR PDW & HK 51 (7.62x39) & (7.62x51/.308) Tactical Folding Stock - Adjustable - HKP-14537 HK51, PTR PDW Folding Stock - Adjustable
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    HK51, PTR PDW Folding Stock - Adjustable

    Choate

    $239.95
    Choate PTR PDW and HK51 Tactical Folding Stock - Adjustable The adjustable length system lets smaller-stature shooters or officers wearing body armor have a weapon that fits their needs. This stock also has spacers to allow the stock to be lengthened by...
    HKP-14537
    $239.95
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    $239.95
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  • Used - SureFire SOCOM (7.62x51/.308) Muzzle Brake - Threaded 5/8x24 - HKP-19789 HK G3, HK417 Muzzle Brake - SOCOM - Threaded 5/8x24
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    HK G3, HK417 Muzzle Brake - SOCOM - Threaded 5/8x24

    Surefire

    $164.95
    SureFire SOCOM (7.62x51/.308) Muzzle Brake - Threaded 5/8x24 The SureFire muzzle brake is designed for Armalite AR-10, DPMS LR308, and other 7.62 mm rifles with 5/8x24 muzzle threads. It greatly reduces recoil impulse and muzzle rise, featuring neutral...
    HKP-19789
    $164.95
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    $164.95
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