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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  • Used - H&K 91/G3 (7.62x51/.308) Vinyl Magazine Pouch - Surplus - HKP-01941
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    HK91, G3 Vinyl Magazine Pouch - Surplus

    H&K Heckler & Koch

    $4.95
    Green Vinyl Plastic Rubberized Double Magazine Pouch from Surplus for HK91 and HKG3  This mag pouch is German military surplus, and it is compatible with all HK91, G3, and PTR Style 20-round mags.
    HKP-01941
    $4.95
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  • New - HKP Trigger - 90 Series - Billeted - USA - HKP-00380 HK MP5, HK90 Series Trigger - SEF, 0,1 - Billeted - USA
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    HK MP5, HK90 Series Trigger - SEF, 0,1 - Billeted - USA

    HKP HK Parts

    $45.95
    HKP HK Parts USA made Billeted Trigger for the HK MP5 and HK90 Series   HKP US 90 Series trigger made from the best quality billet steel. It will fit all 0,1, and SEF-style trigger packs. Each part counts as one US-made compliant part needed for...
    HKP-00380
    $45.95
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  • New - H&K Roller Retainer Plate For Rollers - HKP-00065 HK MP5, HK90 Series Roller Locking Plate - Original Style
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    HK MP5, HK90 Series Roller Locking Plate - Original Style

    H&K Heckler & Koch

    $43.95
    New HK German Roller Retainer Plate for Rollers Original-style roller locking plate.  This item is a common wear item that is great to have on hand as they are one of the top items that break or fail with use. Compatible With: MP5*** MP5K SP89,...
    HKP-00065
    $43.95
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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...
    HKP-17646
    $1.95
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  • New - HKP HK 91/G3 (7.62x51/.308) US Made Trigger Pack - 4 U.S. 922 Parts - HKP-17949 HK91, G3 US Made Trigger Pack - 4 U.S. 922 Parts
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    HK91, G3 US Made Trigger Pack - 4 U.S. 922 Parts

    HKP HK Parts

    $249.95
    HKP/H&K G3/91 (7.62x51/.308) US Made Trigger Pack - 4 U.S. 922 Parts HK G3, 91 & PTR .308 Semi Auto Trigger Pack Complete. Works with all 7.62 & .308 HK style firearms. Each trigger group incorporates the following US made compliant parts...
    HKP-17949
    $249.95
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  • Used - HKP SEF Short Axle Selector Lever For Metal Trigger Housings Only - Used - HKP-00120 HK SEF Short Axle Selector Lever For Metal Trigger Housings Only - Used
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    HK SEF Short Axle Selector Lever For Metal Trigger Housings Only - Used

    HKP HK Parts

    $9.95
    HKP SEF Short Axle Selector Lever For Metal Trigger Housings Only - Used   Compatible with all metal HK grip frames.   Please Note: The polymer (plastic) style SEF housing uses the longer axle SEF selector lever, not this product offering.
    HKP-00120
    $9.95
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  • New - MKE PTR PDW Telescopic Stock - HKP-21376 HK51, PTR PDW A3 Telescopic Stock
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    HK51, PTR PDW A3 Telescopic Stock

    MKE

    $459.95
    MKE HK51, PTR PDW Telescopic 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...
    HKP-21376
    $459.95
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    New - 90 Series Barrel Pin Jig - HKP-08928 HK MP5, HK90 Series Barrel Pin Jig - Aluminum

    HK MP5, HK90 Series Barrel Pin Jig - Aluminum

    HKP HK Parts

    $119.95
    HKP HK Parts HK MP5, 90 Series Aluminum Barrel Pin Jig This jig is designed for the installation and removal of barrel pins on all HK 90 series rifles and pistols. It’s the companion tool for builders already using HK flat-bending jigs and other...
    HKP-08928
    $119.95
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  • New - H&K 91/G3 (7.62x51/.308) Mag Release Set - HKP-00929 HK91, G3 Magazine Release Set
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    HK91, G3 Magazine Release Set

    H&K Heckler & Koch

    $34.95
    Heckler and Koch Magazine Release Set (Left to Right) for HK91, G3 This HK German manufactured magazine release set for HK .308 pattern rifles consists of 4 pieces. Includes: Magazine Catch Magazine Catch Spring Push Button Clamping Sleeve to retain...
    HKP-00929
    $34.95
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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.
    HKP-01014
    $129.95
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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...
    HKP-19816
    $79.95
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  • Out Of Stock
    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...
    HKP-01144
    $229.95
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