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 MP5, 93/53, G3 (9mm, 5.56/.223, 7.62/.308) 3 Position (S,U,O Pictogram) Contract Housing - USED - HKP-19912 HK MP5, 93/53, G3 (9mm, 5.56/.223, 7.62/.308) 3 Position (S,U,O Pictogram) Contract Housing - USED
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    HK MP5, 93/53, G3 (9mm, 5.56/.223, 7.62/.308) 3 Position (S,U,O Pictogram) Contract Housing - USED

    H&K Heckler & Koch

    $29.95
    H&K MP5, 93/53, G3 (9mm, 5.56/.223, 7.62/.308) 3 Position (S,U,O Pictogram) Contract Housing - USED   Enhance your H&K firearm with this authentic contract housing, featuring a 3-position pictogram (S, U, O) for versatile fire control...
    $29.95
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  • New - H&K -4 Roller For Bolt Head 7.96mm - Under-sized - HKP-00504 HK -4 Roller For Bolt Head 7.96mm - Under-sized
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    HK -4 Roller For Bolt Head 7.96mm - Under-sized

    H&K Heckler & Koch

    $27.99
    H&K -4 Roller For Bolt Head 7.96mm - Under-sized The proper roller size is essential for proper head spacing and bolt gap. New HK German not surplus or used goods. German-made -4 roller, each roller is priced per roller. Please Note: The price listed...
    $27.99
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  • Used - H&K 91/G3 (7.62x51/.308) Vinyl Magazine Pouch - Surplus - HKP-01941
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    HK 91, G3 Vinyl Magazine Pouch - Surplus

    H&K Heckler & Koch

    $4.95
    Green Vinyl Plastic Double HKG3 Rubberized Magazine Pouch - Surplus  This mag pouch is German military surplus, and it is compatible with all HK G3, 91, and PTR Style 20-round mags.
    $4.95
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    $4.95
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  • New - PTR (5.56/.223) & (7.62x51/.308) Muzzle Brake - Threaded 15x1 RH - HKP-02148 PTR (5.56/.223) & (7.62x51/.308) Muzzle Brake - Threaded 15x1 RH
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    PTR (5.56/.223) & (7.62x51/.308) Muzzle Brake - Threaded 15x1 RH

    PTR

    $25.95
    PTR (5.56/.223) & (7.62x51/.308) Muzzle Brake - Threaded 15x1 RH Correct HK threading 15x1 right hand with HK style retaining spring to latch on the HK splined barrel. Made in the US and counts as one US 922r compliant part. Specifications: Threaded...
    $25.95
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  • New - HKP Trigger - 90 Series - Billeted - USA - HKP-00380 HK90 Series Trigger - Billeted - USA
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    HK90 Series Trigger - Billeted - USA

    HKP HK Parts

    $45.95
    HKP Trigger - 90 Series - Billeted - USA   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 builds and conversions for US...
    $45.95
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  • New - PTR (5.56/.223) & (7.62x51/.308) Bird Cage Flash Hider - Threaded 15x1 RH - HKP-01447 HK90 Series Flash Hider - Bird Cage Style - Threaded 15x1 RH
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    HK90 Series Flash Hider - Bird Cage Style - Threaded 15x1 RH

    PTR

    $19.95
    PTR Bird Cage Flash Hider - Threaded 15x1 for 5.56/.223, and 7.62x51/.308 Crafted to exact Heckler and Koch specifications. Featuring the correct 15x1 RH thread, it's a perfect match for HK barrels and qualifies as one 922r compliant part...
    $19.95
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  • New - H&K Roller Retainer Plate For Rollers - HKP-00065 HK MP5, 90 Series Roller Locking Plate - Original Style
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    HK MP5, 90 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: HK MP5*** HK...
    $43.95
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  • Out Of Stock
    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...
    $119.95
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  • Used - FMP - G3 Parts Kit - With Mags - HKP-20865 HK G3 Parts Kit - 2 Magazines
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    HK G3 Parts Kit - 2 Magazines

    FMP HK CONTRACT

    $229.95
    FMP - G3 Parts Kit - With Mags The G3 has been an iconic battle rifle utilized all over the world and revered as one of the best that H&K has offered. You now have the opportunity to build one of these iconic battle rifles. Licensed by H&K and...
    $229.95
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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...
    $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.
    $9.95
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  • New - MKE Large Butt Stock Push Pin - HKP-21593 HK90 Series Stock Locking Pin - Large
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    HK90 Series Stock Locking Pin - Large

    MKE

    $6.95
    MKE Large Push Pin for your HK90 Series Stock Each large stock push pin is used to retain the stock to the receiver on the 90-series firearms. These are great replacement or spare part to keep on hand as they fit all of the 90-series firearms below. The...
    $6.95
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