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 (5.56/.223) & (7.62x51/.308) Rifle Blank Firing Adapter- HK Barrels - HKP-15593 HK91, G3, HK33, HK53, HK93 Blank Firing Barrel Adapter - Threaded 15x1 RH
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    HK91, G3, HK33, HK53, HK93 Blank Firing Barrel Adapter - Threaded 15x1 RH

    H&K Heckler & Koch

    $39.95
    Heckler and Koch Blank Firing Adapter for HK Rifle Barrels 5.56 / .223 and 7.62x51 / .308) German blank firing adapter used from the German military. Best quality and price in the country by the best makers of US made HK components available anywhere...
    HKP-15593
    $39.95
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  • Out Of Stock
    New - H&K Bolt Locking Lever Pin/Cylindrical Pin - HKP-16913

    HK Bolt Locking Lever Pin - Cylindrical Pin

    H&K Heckler & Koch

    $4.95
    Heckler and Koch Bolt Locking Lever Pin/Cylindrical Pin New HK91, G3, PTR-91 .308 & HK 93, 33, 53 Bolt Carrier Bolt Locking Lever pin (cylindrical pin). This item holds the locking lever & spring in place on the actual bolt head.
    HKP-16913
    $4.95
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    $4.95
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  • Flat Bending Jig Set For All HK Style Flats - RENTAL HKP HK Parts HKP-19595-RENTAL HK Receiver Flat Bending Set Jig - RENTAL
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    HK Receiver Flat Bending Set Jig - RENTAL

    HKP HK Parts

    $99.95
    Flat Bending Jig Set For All HK Style Receiver Flats - RENTAL Receiver flat bending jig RENTAL for all HK receiver flats.  Our rental jigs are crafted in the US from billeted steel and include the latest revisions with proper dowel spacing for the...
    HKP-19595-RENTAL
    $99.95
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  • Used - H&K HK91/G3 PTR Parkerized Backplate & Recoil Rod Assembly - Threaded - HKP-21647 HK91, G3 PTR ,Recoil Rod Assembly, Backplate - Painted
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    HK91, G3 PTR ,Recoil Rod Assembly, Backplate - Painted

    H&K Heckler & Koch

    $54.95
    H&K HK91/G3 PTR & Recoil Rod Assembly-Backplate-Painted Our German HK backplate has been expertly refinished and Painted for exceptional durability. This backplate features an innovative guide screw that allows you to effortlessly replace worn...
    HKP-21647
    $54.95
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  • New - H&K Trigger Pack Housing - Semi 0,1 - HKP-02177
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    HK Trigger Pack Housing - Semi-Auto 0,1

    H&K Heckler & Koch

    $129.95
    H&K 2 Position (0,1) Semi-Auto Trigger Pack Housing This trigger pack housing is professionally converted to semi-auto with all legal and correct modifications, including a semi-sear hole and trigger stop. It is designed to provide reliable...
    HKP-02177
    $129.95
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  • On Sale
    Used - H&K (7.62/.308) & (5.56/.223) Flash Hider - USED - BLEMISHED - HKP-00717-B HK33, HK53, HK93, HK91, G3 Flash Hider - Threaded 15x1 RH - USED - BLEMISHED
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    HK33, HK53, HK93, HK91, G3 Flash Hider - Threaded 15x1 RH - USED - BLEMISHED

    H&K Heckler & Koch

    Now: $7.95
    Was: $15.95
    Heckler and Koch Flash Hider for (7.62/.308) & (5.56/.223) - 15x1 RH - USED - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Used surplus HK German...
    HKP-00717-B
    Now: $7.95
    Was: $15.95
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  • New - MKE V51 VFI Telescopic Stock - HKP-21469 Vector Arms V51 Telescopic Stock
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    Vector Arms V51 Telescopic Stock

    MKE

    $549.95
    MKE V51 A3 Telescopic Stock:  Factory new MKE stock professionally converted with the correct collapsing length to fit Vector V51 rifles and pistols. This V51 stock was modified with a heavy profile, heat-treated collapsing rod insert for longevity...
    HKP-21469
    $549.95
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  • New - H&K HK G3 Recoil Rod - Demilled - HKP-21298
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    HK G3 Recoil Rod - Demilled

    H&K Heckler & Koch

    $18.54
    H&K HK G3/91 Recoil Rod - Demilled These recoil rods were demilled from damage or broken end caps. Fully functional and sitll assembled with the spring, roll pins, nylon ring and captive pin. Perfect to have on hand for spares or custom builds. 
    HKP-21298
    $18.54
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  • New - H&K HK MP5/91/93/53/33/G3 Sear/Catch - HKP-01459
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    HK91, G3, MP5 Sear Catch - Steel - New Build

    H&K Heckler & Koch

    $69.95
    Heckler & Koch's Sear Catch Release - Complete For HK 90 Series Trigger Packs New HK German manufacture. Sear/Catch complete with installed detent, spring, and roll pin. Compatible With: HK MP5, HK MP5K HK91 HK G3 HK33, HK53, HK93 PTR Other 90...
    HKP-01459
    $69.95
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  • New - Timney Triggers HK91/G3 .308 2-Stage Trigger - Complete - HKP-20513-CP HK91, G3 2-Stage Trigger Group - Complete
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    HK91, G3 2-Stage Trigger Group - Complete

    Timney Triggers

    $478.95
    Timney Trigger for .308 - HK91 SEF Timney trigger group comes completely assembled and ready to drop in your receiver. Set up with a German ejector lever, new SEF selector lever, and a brand new factory German housing for the best trigger group available...
    HKP-20513-CP
    $478.95
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  • Out Of Stock
    HK 20 Round HK91, G3 Rare LEO Laser Marked Steel Magazine - Parkerized HK 20 Round HK91, G3 Rare LEO Laser Marked Steel Magazine - Parkerized

    HK 20 Round HK91, G3 Rare LEO Laser Marked Steel Magazine - Parkerized

    H&K Heckler & Koch

    $59.95
    20 Round Steel Magazine HK L.E.O - HK 91, G3, PTR .308- LEO Laser Marked  Perfect for the avid collector, HK .308 factory steel 20-round all-steel magazine. Each magazine starts as a handpicked unit and is expertly broken down and refinished, inside...
    HKP-19333
    $59.95
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  • Used - H&K 91/G3 (7.62x51/.308) Fixed Stock with Enhanced Heavy Buffer - Dark OD Green - Surplus - HKP-18933 HK91, G3 Fixed Buttstock with Enhanced Heavy Buffer - Dark OD Green - Surplus
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    HK91, G3 Fixed Buttstock with Enhanced Heavy Buffer - Dark OD Green - Surplus

    H&K Heckler & Koch

    $129.95
    HK 91, G3 Fixed Stock with Enhanced Heavy Buffer Installed - Dark OD Green - Surplus Used Dark Olive Drab Green German surplus stock complete with Enhance DMR buffer installed. This Stock is so dark it looks to be brown. The stock and the buttpad on this...
    HKP-18933
    $129.95
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