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) Sniper Trigger Group - Match Trigger - HKP-17031 HK91, G3 Match Trigger Group - Sniper
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    HK91, G3 Match Trigger Group - Sniper

    H&K Heckler & Koch

    $749.95
    HK German SEMI .308 Trigger Group Complete For G3, 91 & PTR Models The HKP match trigger group starts life as a standard 12lb stock trigger pack before being carefully converted by the legendary trigger gunsmith, Bill Springfield.  The result, a...
    HKP-17031
    $749.95
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  • New - PTR-32 (7.62x39) Locking Piece - 65 degree - HKP-18520 PTR-32 Locking Piece - 65 degree
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    PTR-32 Locking Piece - 65 degree

    PTR

    $67.95
    PTR-32 (7.62x39) Locking Piece - 65 degree New PTR Locking Piece For PTR-32. Marked "32" for the PTR-32 series of rifles and pistols. This is a 65 degree locking piece. New PTR manufacture. This locking piece will also work for custom HK builds as well.
    HKP-18520
    $67.95
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  • New - HK 91/G3 (7.62x51/.308) Heavy Recoil Buffer - HKP-01067
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    HK91, G3 Heavy Recoil Buffer

    USA

    $279.95
    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
    $279.95
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  • New - H&K 90 Series Hammer Spring Bushing For Burst Trigger Packs - HKP-02398 HK MP5, HK90 Series Hammer Spring Bushing - Burst
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    HK MP5, HK90 Series Hammer Spring Bushing - Burst

    H&K Heckler & Koch

    $19.99
    90 Series Hammer Spring Bushing For Burst Trigger Packs This part will fit both two and three-round burst trigger packs. 
    HKP-02398
    $19.99
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  • Used - H&K (7.62/.308) & (5.56/.223) Flash Hider - 15x1 - Used - HKP-00717 H&K (7.62/.308) & (5.56/.223) Flash Hider - 15x1 - Used H&K Heckler & Koch HKP-00717
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    HK33, HK53, HK93, HK91, HK G3 Flash Hider - Threaded 15x1 - Used

    H&K Heckler & Koch

    $15.95
    Heckler and Koch's Flash Hider - 15x1 RH - Used Used / surplus HK German flash hider threaded 15x1 RH.  Please inspect pictures to ascertain the average condition of these flash hiders. Compatible With: HK33 HK53 HK93 HK G3 HK91  
    HKP-00717
    $15.95
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  • Compact Vertical Foregrip with Hand stop - M-LOK Compact Vertical Foregrip with Hand stop - M-LOK
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    Compact Vertical Foregrip with Hand stop - M-LOK

    JMK

    $88.95
    Compact Vertical Foregrip with Hand stop - M-LOK The JMK Vertical Foregrips are ideally suited for applications with restricted space. Equipped with a rapid, straightforward M-LOK attachment system, it can be mounted on any configuration with an M-LOK...
    HKP-22406-M
    $88.95
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  • Used - HK90 Series F/A Trigger Box - SEF- USED - HKP-22156 HK MP5, HK90 Series Trigger Box - Full Auto SEF - USED
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    HK MP5, HK90 Series Trigger Box - Full Auto SEF - USED

    H&K Heckler & Koch

    $89.95
    Heckler and Koch USED Full Auto SEF Trigger Box for the HK90 Series UNIT QUALITY MAY VARY - SEE PHOTOS FOR EXAMPLE OF CONDITION RANGE Used genuine HK full-auto trigger box for HK90 series firearms. Controls fire selector function and houses fire control...
    HKP-22156
    $89.95
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  • Out Of Stock
    New - Trijicon Bright & Tough - Night Sights - H&K SP89, Carbines, Rifles - HKP - HKP-20325 HK MP5, MP5K, G3 Night Sights

    HK MP5, MP5K, G3 Night Sights

    XS Sights

    $159.95
    Trijicon Bright & Tough - Night Sights - H&K SP89, Carbines, Rifles Trijicon bright & tough night sights are three-dot iron sights that increase night-fire shooting accuracy by as much as five times over conventional sights. Housed in a metal...
    HKP-20325
    $159.95
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  • HK 20 Round HK91, G3 Rare LEO Laser Marked Steel Magazine - Parkerized HK 20 Round HK91, G3 Rare LEO Laser Marked Steel Magazine - Parkerized
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    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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  • Out Of Stock
    New - HKP HK 91/G3 (7.62x51/.308) Complete Semi Bolt Group - HKP-01473 HK91, G3 Complete Semi Bolt Group

    HK91, G3 Complete Semi Bolt Group

    HKP HK Parts

    $339.95
    US Made HK 91/G3 Semi-Auto Bolt Group Complete - New Each bolt group is built using HK factory prints and specs here in the US. As a bonus, each bolt group counts as two US parts for US 922r compliance. Everything you need as a spare or a direct...
    HKP-01473
    $339.95
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  • New - H&K 91/G3/MSG90 (7.62x51/.308) 2x20 Round Aluminum Mags W/ Vinyl Mag Pouch - HKP-16324 HK91, G3, PTR TWO Magazines with Pouch - 20 Round - Aluminum
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    HK91, G3, PTR TWO Magazines with Pouch - 20 Round - Aluminum

    H&K Heckler & Koch

    $49.95
    H&K 91/G3/MSG90 (7.62x51/.308) 2x20 Round Aluminum Mags W/ New Vinyl Mag Pouch Combo deal: 2 X 20 round aluminum magazines with new green vinyl mag pouch. Compatible With: HK 91 HK G3 HK PSG-1 HK MSG-90 PTR-91 Vector 51 Century HK 308...
    HKP-16324
    $49.95
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  • HK91, G3, HK33, HK53, HK93 Stock and Stock Adapter - AR Style
HK91, G3, HK33, HK53, HK93 Stock and Stock Adapter - AR Style
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    HK91, G3, HK33, HK53, HK93 Stock and Stock Adapter - AR Style

    PTR

    $209.95
    PTR AR Brace/Stock Adapter w/ Magpul Stock - G3, 91, 93, 53, 33 AR15/M16 to HK 90 series stock adapter set with a Magpul MOE stock installed as well as the buffer tube and castle nut. Just use your existing back-plate and MIL-SPEC buffer assembly and you...
    HKP-15457
    $209.95
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