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 - 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 - 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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  • 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 - 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...
    HKP-20068
    $429.95
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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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  • 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 - 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) 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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  • 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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  • 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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