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 91/G3 (7.62x51/.308) Clubfoot Stock - HKP-01456 HK91, G3 Clubfoot Stock

    HK91, G3 Clubfoot Stock

    H&K Heckler & Koch

    $0.00
    HK G3, 91, PTR-91 Or Clone Club Foot Stock HK clubfoot stock comes fully assembled with all German Heckler & Koch Genuine parts. Compatible With: HK 91 HK G3 PTR-91, 32 Rifles HK .308 Rifles Other custom HK builds or clone builds. Each HK Clubfoot...
    HKP-01456
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    New - H&K 91/G3 (7.62x51/.308) Horizontal Vented Wide Handguard - Black - HKP-02101 HK91, G3 Handguard - Wide - Horizontal Vented

    HK91, G3 Handguard - Wide - Horizontal Vented

    H&K Heckler & Koch

    $0.00
    New HK German HK 91, G3 Horizontal Vented Wide Black Forearm / Handguard HK91,G3, PTR 18" barreled forearm with vents to provide extra cooling. New factory fresh production and German HK.
    HKP-02101
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    New - HK 91/G3 (7.62x51/.308) Heavy Recoil Buffer - HKP-01067

    HK91, G3 Heavy Recoil Buffer

    $199.95
    HK Heavy Recoil Buffer For HK Style Firearms Made 100% in the USA by one of the best HK gunsmiths. Each unit is based on the original HK German 2-stage factory heavy buffer.  Compatible With: HK 91, G3, PTR SAR-3/8, FMP, Vector, SR9, PTR PDW, V51,...
    HKP-01067
    $199.95
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    New - HKP/H&K 91/G3 (7.62x51/.308) Trigger Group - 3 Position - Navy Housing - HKP-17242 HK91, G3 Trigger Group - 3 Position - Navy Housing

    HK91, G3 Trigger Group - 3 Position - Navy Housing

    HKP HK Parts

    $579.95
    G3, 91, PTR Trigger Group 3 Position Navy Housing Introducing a cost-effective alternative to the high-priced and rare all-German HK FBI or 0,1 ambidextrous trigger groups. This semi-auto trigger group is available in a 3-position Navy factory German HK...
    HKP-17242
    $579.95
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    New - HKP HK 91/G3 (7.62x51/.308) Firing Pin - Titanium - HKP-17937

    HK91, G3 Firing Pin - Titanium

    HKP HK Parts

    $29.95
    HK G3, 91 & PTR Firing Pin - Titanium Grade 6 weapons grade Titanium manufacture. Made 100% in the USA A must have upgrade to have on hand as the firing pin is one of the most abused components in the HK G3, 91 & PTR weapon system. Get the...
    HKP-17937
    $29.95
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    New - H&K 91/G3 (7.62x51/.308) 3 Position Navy Trigger Group - Double Tang - HKP-01709 HK91, G3 3 Position Navy Trigger Group - Double Tang

    HK91, G3 3 Position Navy Trigger Group - Double Tang

    H&K Heckler & Koch

    $0.00
    H&K 91/G3 (7.62x51/.308) 3 Position Navy Trigger Group - Double Tang HK German G3, 91 3-Position Navy Trigger Group - Double Tang New Heckler & Koch German Manufacturer. Black Polymer Ambidextrous Housing With Selector Levers. Double Tang 3...
    HKP-01709
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    New - H&K 93/33/G3 (5.56/.223) & (7.62x51/.308) Vented Wide Forend Black - HKP-00471 HK33, G3 Vented Wide Handguard Black

    HK33, G3 Vented Wide Handguard Black

    H&K Heckler & Koch

    $0.00
    HK 93, 33 & G3K Wide Black Vented Handguard Overall 11.5 inches long. Made for 16" barreled rifles. Easy installation. HK 93 HK 33 HK G3K PTR-91K 16" barrels 16" Barreled Clones
    HKP-00471
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    New - HKP HK G3K/33K (5.56/.223) & (7.62x51/.308) Extended 4 Prong Flash Hider - Threaded 15x1 RH - HKP-00501 HK33K,  G3K Flash Hider - 4 Prong - Threaded 15x1 RH

    HK33K, G3K Flash Hider - 4 Prong - Threaded 15x1 RH

    HKP HK Parts

    $79.95
    HKP Extended 4 Prong Flash Hider for all HK - Threaded 15x1 RH This fits any threaded 15x1 RH HK barrel. The overall length is 4.37 inches. These are the perfect length of the G3K and HK33K style builds as they will yield a 16.1" overall barrel length...
    HKP-00501
    $79.95
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    New - H&K Clubfoot Central Buttstock Section - HKP-00812 HK21E, HK23E Clubfoot Central Buttstock Section

    HK21E, HK23E Clubfoot Central Buttstock Section

    H&K Heckler & Koch

    $0.00
    H&K Clubfoot Central Buttstock Section New HK German 21E, 23E Central Stock Section. Can Be Used On All HK Rifles. A Great Upgrade For That HK91/G3 or HK93,33,53. Many People Use These To Upgrade Their Existing Stocks For The Neat Look & Feel Of...
    HKP-00812
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    New - H&K Roller Sear For Burst Trigger Packs - HKP-01711

    HK Roller Sear For Burst Trigger Packs

    H&K Heckler & Koch

    $0.00
    H&K Roller Sear For Burst Trigger Packs New HK German Roller Sear for SEF & Navy trigger packs. This is the newer style "roller" type not the older friction type of sear. This item is also referred to as the catch with roller but more commonly...
    HKP-01711
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    New - H&K MP5, 53/33, G3 (9mm, 5.56/.223, 7.62/.308) SEF Trigger Housing - Push Pin - HKP-16406 HK MP5, HK33, HK53, HK91, G3 Trigger Housing - SEF - Push Pin - Finger Grooves

    HK MP5, HK33, HK53, HK91, G3 Trigger Housing - SEF - Push Pin - Finger Grooves

    H&K Heckler & Koch

    $0.00
    H&K MP5, 53/33, G3 (9mm, 5.56/.223, 7.62/.308) SEF Trigger Housing - Push Pin This SEF grip housing features classic finger grooves and is crafted for factory push pin receivers. It's perfect for replacing worn out or faded SEF grip frames. The...
    HKP-16406
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    New - H&K B&T Style Sling Swivel With Attachment Screw - HKP-18150 HK MP5K, SP5K Sling Swivel with Screw for End Caps and Folding Stocks and Braces

    HK MP5K, SP5K Sling Swivel with Screw for End Caps and Folding Stocks and Braces

    H&K Heckler & Koch

    $0.00
    H&K B&T Style Sling Swivel with Attachment Screw Same part found on the HK German MP5K, SP5K end caps and the B&T folding brace and folding stocks. The sling swivel is made by HK in Germany the mounting hardware is made in the USA. This is...
    HKP-18150
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