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 - HK German -2 Locking Roller Standard 7.98mm - Used - HKP-20600 HK MP5, HK90 Series Locking Roller -2 - Standard 7.98mm - Used
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    HK MP5, HK90 Series Locking Roller -2 - Standard 7.98mm - Used

    H&K Heckler & Koch

    $9.95
    HK German Locking Roller Standard 7.98mm - Used The proper roller size is essential for proper head spacing and bolt gap. Used German German-made -2 or 7.98mm roller, each roller is priced per roller. Used HK German. HK locking roller, -2, 7.98mm. HK...
    HKP-20600
    $9.95
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  • New - HK 91, G3, PTR Grip Frame SEF- Metal HK German - HKP-17637 HK91, G3, PTR Grip Frame SEF- Metal HK German
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    HK91, G3, PTR Grip Frame SEF- Metal HK German

    $189.95
    HK91, G3, PTR-91 Style Metal Grip Frame SEMI Each German HK housing started out as a factory HK German select fire metal housing. Each housing then had the housing professionally modified by welding in a factory correct semi auto shelf. After the...
    HKP-17637
    $189.95
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  • Used - H&K 91/G3 (7.62x51/.308) Full Auto Bolt Carrier - Surplus - HKP-01952 HK91, G3 Bolt Carrier - Full Auto - Surplus
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    HK91, G3 Bolt Carrier - Full Auto - Surplus

    H&K Heckler & Koch

    $149.95
    HK G3 Factory Full Auto Bolt Carrier - German German HK 70'- 80's production used surplus bolt carrier with locking lever, spring, and axle pin installed. Most are NOT date-coded on the top of the carrier. Most will be marked on the side or, more...
    HKP-01952
    $149.95
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  • New - HKP Tactical Rail - 6 Inch - HK91/93 - HKP-00831 HK91, G3 Tactical Rail - 6 Inch
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    HK91, G3 Tactical Rail - 6 Inch

    HKP HK Parts

    $24.95
    HKP Tactical Rail - 6 Inch The six mounting screws are also included with each rail. This rail will fit on either the left or right side or the bottom of the PTR and HK91/93 tactical handguards. Up to three rails can be used on each forearm. Compatible...
    HKP-00831
    $24.95
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  • Used - H&K 91/G3 (7.62x51/.308) Complete F/A Bolt Group - Used - HKP-00356
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    HK91, G3 Bolt Group, Complete - Full Auto - Used

    H&K Heckler & Koch

    $259.95
    Heckler and Koch Factory German Full Auto Bolt Group - Complete Used for HK G3, HK91, and PTR Everything you need as a spare or a direct replacement of your existing bolt group. This bolt group is a direct replacement of all HK G3, HK91, SAR3/8, PTR-91,...
    HKP-00356
    $259.95
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  • New - HKP (5.56/.223) & (7.62x51/.308) Muzzle Brake - Threaded 15x1 RH - CA/NY Compliant - HKP-12746 HK416, HK417, G3, HK33, G36 Flash Hider - Threaded 15x1 RH - CA/NY Compliant
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    HK416, HK417, G3, HK33, G36 Flash Hider - Threaded 15x1 RH - CA/NY Compliant

    HKP HK Parts

    $24.95
    HKP (5.56/.223) & (7.62x51/.308) Muzzle Brake - Threaded 15x1 RH - CA/NY Compliant This muzzle device is a partially milled version (not completely milled) of the factory HK birdcage style flash hider found on the factory-correct HK models of rifles...
    HKP-12746
    $24.95
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  • New - Magpul HK 91 MOE PR Stock - HKP-21198 HK91, G3 Stock - MOE PR
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    HK91, G3 Stock - MOE PR

    Magpul

    $199.95
    Magpul HK91, G3 MOE PR Stock The MOE PR is a full-size carbine stock that blends the simplicity of the legacy MOE carbine stock with design lines reminiscent of the PRS Lite.  Features: Sloping cheek weld Non-slip rubber butt-pad for impact...
    HKP-21198
    $199.95
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  • New - H&K Universal Cleaning Kit - HKP-19031 HK91, G3, MSG90 Cleaning Kit - .308 to .351 Calibers
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    HK91, G3, MSG90 Cleaning Kit - .308 to .351 Calibers

    H&K Heckler & Koch

    $64.95
    New - Original HK German MSG90/HK91/G3 Cleaning Kit - Old Stock Each cleaning kit kit comes complete with brass brush, oil brush, oil tube, hand cleaning brush, and pull chain. Originally built for the G3,91 & MG3 but will work on all .308 - .351 ...
    HKP-19031
    $64.95
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  • New - B&T MP5, HK33, G3, PTR - Mid Range Mount - HKP-16882 HK MP5, HK33, G3 Optic Mount - Mid Range
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    HK MP5, HK33, G3 Optic Mount - Mid Range

    B&T Brugger & Thomet

    $129.95
    B&T MP5, HK33, G3, PTR - Mid Range Mount This scope mount will allow the the use of the HK fixed sights (through an oval opening) and also allowing the optic to sit higher thant the front sight tower for an unobstructed view. This will allow the use...
    HKP-16882
    $129.95
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  • New - H&K 91/G3 (7.62x51/.308) Magazine Clamp - HKP-00219
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    HK91, G3 Magazine Clamp

    H&K Heckler & Koch

    $149.95
    New HK German Magazine Clamp for all HK .308 Magazines New German HK G3 & HK 91 Magazine Clamp fits all HK G3 & HK 91 & PTR 91 steel or aluminum magazines. Clamps HK magazines together for tactical environments. Please Note: This part is no...
    HKP-00219
    $149.95
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  • New - HKP Elbow Spring Spacer For Semi-Auto - HKP-18210 HK MP5, HK90 Series Bushing Sleeve for Elbow Spring - Semi Auto
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    HK MP5, HK90 Series Bushing Sleeve for Elbow Spring - Semi Auto

    HKP HK Parts

    $8.95
    HK Parts Distance Sleeve replacement for your elbow spring in your Semi-Auto MP5  New USA manufacture. Semi auto spacer for elbow spring on the HK 90 series trigger packs. Micro polished and made from stainless steel. This is the finest semi auto...
    HKP-18210
    $8.95
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  • New - H&K MP5, 93/53/33, G3 (9mm & 7.62/.308 & 5.52/.223) SEF Navy Style Polymer Housing - Clipped & Pinned - HKP-00164 HK MP5, HK33, HK53, HK93, G3 Housing - SEF Navy - Polymer - Clipped and Pinned
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    HK MP5, HK33, HK53, HK93, G3 Housing - SEF Navy - Polymer - Clipped and Pinned

    H&K Heckler & Koch

    $179.95
    HK Heckler and Koch SEF Navy Polymer Housing Clipped and Pinned for 9mm, .308, and .223 HK MP5, HK33, HK53, HK93, HKG3 This navy style housing fits all shelved receivers. Specifications: Made In Germany Clipped and Pinned Navy Style Housing SEF...
    HKP-00164
    $179.95
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