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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  • Out Of Stock
    New - Kinetic Development Group Sidelok Modular Optic Mount - 30mm - HKP-19062 Sidelok Optic Mount - 30mm - Modular

    Sidelok Optic Mount - 30mm - Modular

    KDG Kinetic Development Group

    $224.95
    Kinetic Development Group Sidelok Modular Optic Mount - 30mm The new KDG Modular Optic Mount is based off the proven Sidelok family of quick detach optic mounts and features the same user-friendly, tool-free design. KDG set out to design a Sidelok mount...
    HKP-19062
    $224.95
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    $224.95
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  • New - Blitzkrieg PTR Flat Tip Front Sight Gen 2 - Orange - HKP-21103 PTR Flat Tip Front Sight - Gen 2 - Orange
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    PTR Flat Tip Front Sight - Gen 2 - Orange

    Blitzkrieg Components

    $84.95
    Blitzkrieg PTR Flat Tip Front Sight Gen 2 - Orange The Blitzkrieg Gen 2 HK-style front sight delivers a fast and precise aiming point with its conventional flat-tipped post and bright orange stripe. Designed for easy installation, it utilizes a roll pin...
    HKP-21103
    $84.95
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  • New - HKP Single Point Leather Sling - OD Green - HKP-20163 HK Single Point Leather Sling - OD Green
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    HK Single Point Leather Sling - OD Green

    HKP HK Parts

    $49.95
    Single Point Leather Sling - OD Green Our leather sling utilizes two HK style sling hooks to attach to a single mounting point. Designed to replicate the original, out of production, German HK offering. Each sling is handcrafted in the US by a German...
    HKP-20163
    $49.95
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  • Used - H&K German Leather Sling - Well Used with No Loop - HKP-20583 HK German Leather Sling - Well Used with No Loop
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    HK German Leather Sling - Well Used with No Loop

    H&K Heckler & Koch

    $39.80
    Original Surplus German HK Leather - Well Used with No Loop Pulled from German military G3 rifles. Last of the remaining units, get them before they are gone. Compatible With: HK91 G3 PTR91 & CETMEHK93 33 53HK94 MP5HK clones Other custom...
    HKP-20583
    $39.80
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  • Used - H&K HK 91/G3/PTR Fixed Stock Complete w/ Enhanced Heavy Buffer - Surplus - Black - HKP-20069 HK91, G3 PTR Fixed Stock Complete with Enhanced Heavy Buffer - Surplus - Black
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    HK91, G3 PTR Fixed Stock Complete with Enhanced Heavy Buffer - Surplus - Black

    H&K Heckler & Koch

    $349.95
    German G3, 91, PTR Stock complete with Enhanced Heavy Buffer - Surplus Used black German stock complete with Enhance DMR buffer installed. Ready to drop in on your HK or clone rifle. Used in perfect working condition. Each stock includes all parts...
    HKP-20069
    $349.95
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  • Used - H&K HK G3, HK 91 Used Ribbed Cocking Tube With Hanger Installed - HKP-00719
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    HK91, G3 Cocking Tube with Hanger - Ribbed -Used

    H&K Heckler & Koch

    $34.95
    HK German HK G3 & HK 91 Ribbed Cocking Tube With Hanger Installed - Used Used surplus condition, take-offs from demilled G3 firearms. They may have dings, dents, and heavy wear. Still in serviceable condition or perfect for projects. Fair Condition...
    HKP-00719
    $34.95
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  • Used - HK G3 Incomplete Backplate - Painted - HKP-21541 HK G3 Incomplete Backplate - Painted
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    HK G3 Incomplete Backplate - Painted

    H&K Heckler & Koch

    $29.95
    HK G3 Incomplete Backplate -  Factory German G3 refinished backplate. A great replacement or spare to have around to replace your broken or worn out backplates.  Please note you will need two rivets, nylon ring, recoil spring in order to...
    HKP-21541
    $29.95
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  • New - HKP PTR HK91 / PTR-91 Bolt Head Complete - HKP-20140 HK91, PTR-91 Bolt Head Complete
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    HK91, PTR-91 Bolt Head Complete

    HKP HK Parts

    $179.95
    HKP PTR HK91 / PTR-91 Bolt Head Complete New PTR bolt head complete with extractor, extractor spring, roller retainer plate, pair of 8mm rollers. Ready to drop in to replace your worn out bolt head. Bolt head counts as 1 US made compliance part for the...
    HKP-20140
    $179.95
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  • Out Of Stock
    Used - H&K 91/G3 (7.62x51/.308) Slimline Forearm - Black - Used Excellent Condition - HKP-18317 HK91, G3 Handguard - Slimline Style - Used Excellent Condition

    HK91, G3 Handguard - Slimline Style - Used Excellent Condition

    H&K Heckler & Koch

    $0.00
    Used Authentic German Military Surplus G3 Black Slim Line Forearm With Heat Shield Used in excellent shape. For the money, these are a nice addition to the collection. Each item will fit all full forearm length HK 91, G3, PTR style firearms. Used...
    HKP-18317
    $0.00
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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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  • New - Solar Tactical HK MP5, HK 93, HK 91 Grip Wrap For SEF Contoured Lower - HKP-19071 HK MP5, HK33, HK91 Grip Wrap for SEF Contoured Lowers
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    HK MP5, HK33, HK91 Grip Wrap for SEF Contoured Lowers

    Solar Tactical

    $79.95
    Solar Tactical HK MP5, HK 93, HK 91 Grip Wrap For SEF Contoured Lower Featureless Kydex grip wrap for use with detachable magazines. Prevents a wrap around style pistol grip. Allows the use of the factory magazine release and detachable magazines over...
    HKP-19071
    $79.95
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