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 Extended Right Side Ambidextrous Selector Lever - HKP-18875 H&K Extended Right Side Ambidextrous Selector Lever H&K Heckler & Koch HKP-18875
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    HK Extended Right Side Ambidextrous Selector Lever

    H&K Heckler & Koch

    $59.95
    HK German Right Side Ambidextrous EXTENDED (ESSL) Lever New German HK extended selector lever for the right side of all ambidextrous trigger packs. Works with all ambi left side HK selector levers. Compatible With: MP5, 94 MP5 clone and custom...
    HKP-18875
    $59.95
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  • New - HK .308 Rifles Clubfoot Stock with Enhanced Heavy Buffer - HKP-20068 HK91, G3 Clubfoot Stock with Enhanced Heavy Buffer
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    HK91, G3 Clubfoot Stock with Enhanced Heavy Buffer

    Michaels Machines

    $429.95
    US Michaels Machines Clubfoot Stock for HK G3, HK91, PTR-91, and Clones U.S clubfoot stock comes fully assembled and ready to drop onto your HK G3, HK91, PTR or other HK style firearm. Enhanced heavy buffer installed for optimum performance. The enhanced...
    HKP-20068
    $429.95
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  • Used - H&K 91/G3 (7.62x51/.308) Rear Sight Drum - Used - HKP-18093
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    HK91, G3 Rear Sight Drum - Used

    H&K Heckler & Koch

    $4.95
    HK German Rear Sight Drum For .308/7.62 - Used Used surplus genuine Heckler & Koch German manufactured product. Rare and hard to find. Most come in good shape but could use a good refinish. Used and range from good - exc shape. Compatible With: HK...
    HKP-18093
    $4.95
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  • HK91, G3, PTR Magazine - 20 Round - Alloy - Like New HK91, G3, PTR Magazine - 20 Round - Alloy - Like New
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    HK91, G3, PTR Magazine - 20 Round - Alloy - Like New

    Rheinmetall

    $19.95
    Rheinmetall HK G3, HK91, and PTR91 20 Round Magazine - Like New Rheinmetall G3 alloy mags were made for the German Army and are no longer in production. Once they are gone, they are gone for good. *Although these magazines have been carefully selected,...
    HKP-22495
    $19.95
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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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  • On Sale
    New - HKP Linear Compensator - Threaded 5/8x24 RH - (5.56 & .308) - HKP-19338 HK Linear Compensator - Threaded 5/8x24 RH - 5.56 and .308
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    HK Linear Compensator - Threaded 5/8x24 RH - 5.56 and .308

    HKP HK Parts

    Now: $87.95
    Was: $149.95
    HKP (5.56/.223) and (7.62x51/.308) Linear Compensator - Threaded 5/8x24 RH Linear compensators give you the best of both worlds. Remove the outer blast shield for standard compensator and muzzle break functionality. Or, keep it on as a courtesy to the...
    HKP-19338
    Now: $87.95
    Was: $149.95
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    Was: $149.95
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  • New - HKP Ambi ESSL Housing Franklin Armory Binary Selector Set - HKP-21616-M Binary Safety Selector Set - Ambidextrous - Extended
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    Binary Safety Selector Set - Ambidextrous - Extended

    HKP HK Parts

    $89.95
    HKP Ambi ESSL Housing Franklin Armory Binary Selector Set - Levers Only HK Parts extended safety selector Selector Lever Set, expertly modeled after the HK Ambi Style Selector Lever. This premium product is designed to integrate seamlessly with the...
    HKP-21616-M
    $89.95
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  • New - H&K Cocking Tube End Cap Spring - HKP-17980
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    HK MP5, HK90 Series Cocking Tube End Cap Spring

    H&K Heckler & Koch

    $4.95
    H&K Cocking Tube End Cap Spring Fits all German, Contract & US made cocking tube end caps. A great spare to have on hand as this part can become worn and be lost. The cocking tube end cap spring applies pressure to the cocking tube end cap/dust...
    HKP-17980
    $4.95
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  • New - H&K 90 Series Burst Trigger Pack Compression Rod - HKP-01047
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    HK90 Series Compression Rod for Burst Trigger Packs

    H&K Heckler & Koch

    $29.95
    H&K 90 Series Burst Trigger Pack Compression Rod This is an HK German factory part that is found in all HK burst trigger packs. This part, along with the compression rod spring, is the number one most common wear or breakage parts in burst packs...
    HKP-01047
    $29.95
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  • Used - H&K 91/G3/MSG90 (7.62x51/.308) Pouch - Used - HKP-21555 HK91, G3 Magazine Pouch - Used
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    HK91, G3 Magazine Pouch - Used

    H&K Heckler & Koch

    $18.99
    H&K 91/G3/MSG90 (7.62x51/.308) Pouch - Used   Compatible With Magazines for the Following Applications: HK 91 HK G3 HK PSG-1 HK MSG-90 PTR-91 Vector 51 Century HK 308 Other custom HK91/G3 style builds and clones
    HKP-21555
    $18.99
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  • New - H&K 91/G3/MSG90 (7.62x51/.308) 2x20 Round Aluminum Mags W/ Cloth Mag Pouch - Flectarn - HKP-14550 HK91, G3, PTR TWO Magazines with Pouch - 20 Round
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    HK91, G3, PTR TWO Magazines with Pouch - 20 Round

    H&K Heckler & Koch

    $49.95
    2x20 Round Like New Aluminum Mags W/ New Cloth Mag Pouch - Flectarn Compatible With: HK 91 HK G3 HK PSG-1 HK MSG-90 PTR-91 Vector 51 Century HK 308 clones Other custom HK91/G3 style builds or custom clones
    HKP-14550
    $49.95
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  • New - HKP SEF Skeletonized Franklin Armory Binary Aluminum Selectors - HKP-20526 HK SEF Skeletonized Binary Aluminum Selectors
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    HK SEF Skeletonized Binary Aluminum Selectors

    HKP HK Parts

    $69.95
    HK Selector Lever Set for BFSIII HK Binary Trigger Pack - SEF Grip Frames - Aluminum Skeletonized Our new selector lever set was modeled after the HK style selector lever for the Franklin Armory trigger packs.   With our new skeletonized selector...
    HKP-20526
    $69.95
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