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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  • On Sale
    New - MKE Trigger Pack Ejector Lever Axle - HKP-22241 MKE Trigger Pack Ejector Lever Axle MKE HKP-22241
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    HK MP5, HK90 Series Ejector Lever Axle

    MKE

    Now: $13.46
    Was: $17.95
    MKE Trigger Pack Ejector Lever Axle Fits all SEF & Ambidextrous style HK trigger packs regardless of caliber. MKE product made on HK tooling.  Fits all of the following 90 series trigger packs: SEF, O,1 Navy Burst
    HKP-22241
    Now: $13.46
    Was: $17.95
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  • New - Magpul HK G3 / HK 91 PRS Gen 3 Stock - HKP-21172-M HK91, G3 Stock - PRS Gen 3
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    HK91, G3 Stock - PRS Gen 3

    Magpul

    $429.95
    Magpul HK G3 / HK 91 PRS Gen 3 Stock - Available in Multiple Color Options  The PRS GEN3 is a field precision stock for AR15/M16 and AR10/SR25 platforms, featuring tool-less length of pull and cheek piece height adjustment. With solid adjustments...
    HKP-21172-M
    $429.95
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  • Out Of Stock
    New - H&K G3 Operators Manual - HKP-15211

    HK G3 Operators Manual

    HKP HK Parts

    $21.95
    HK G3, 91, PTR Operators Manual The G3 Operators Manual is for the Full Auto version of the HK91. Page-by-page translation of the original German Army instruction manual for the G3 family of firearms. With 120 pages and six full-color illustrations...
    HKP-15211
    $21.95
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  • New - Blitzkrieg HK MP5 Flat Front Sight Gen 2 - Orange - HKP-21101 HK MP5 Flat Front Sight - Gen 2 - Orange
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    HK MP5 Flat Front Sight - Gen 2 - Orange

    Blitzkrieg Components

    $84.95
    Blitzkrieg HK MP5 Flat Front Sight Gen 2 - Orange The Blitzkrieg Gen 2 HK-style front sight introduces a new level of precision and visibility. With a conventional flat-tipped post and a bright orange stripe, this sight ensures quick and clear target...
    HKP-21101
    $84.95
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  • Used - H&K HK G3 & HK91 Buffer Spring - Surplus - HKP-20319 HK91, G3 Buffer Spring - Surplus
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    HK91, G3 Buffer Spring - Surplus

    H&K Heckler & Koch

    $4.95
    HK G3, 91 Buffer Spring - Surplus This is the factory buffer spring for the rear stock buffer found on the G3, HK91, 93 A2 style stocks. This is a used excellent shape spring. A great replacement to have on hand for your worn out buffer spring...
    HKP-20319
    $4.95
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  • New - H&K G3/91 (7.62x51/.308) SEF Navy Style Trigger Housing - Push Pin - HKP-01757 HK91, G3 SEF Navy Style Trigger Housing - Push Pin
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    HK91, G3 SEF Navy Style Trigger Housing - Push Pin

    H&K Heckler & Koch

    $74.95
    H&K G3/91 (7.62x51/.308) SEF Navy Style Trigger Housing - Push Pin This German-made Heckler & Koch housing comes in black polymer. This part is compatible with all push pin G3 style firearms. It can also be used for other...
    HKP-01757
    $74.95
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  • Out Of Stock
    New - PTR HK G3/91 (7.62x51/.308) Locking Piece- 45 Degree - HKP-18518 HK91, G3 (7.62x51/.308) Locking Piece- 45 Degree

    HK91, G3 (7.62x51/.308) Locking Piece- 45 Degree

    PTR

    $21.95
    45 Degree Locking Piece - US Made PTR standard 45 degree locking piece made in the USA by PTR and is design to be a direct replacement for all .308 HK style firearms. Compatible With: G3 PTR 91 HK 91 Other costume clones
    HKP-18518
    $21.95
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  • HK91, G3, MSG90 10 Round Magazine - Alloy H&K Heckler & Koch HKP-22418 HK91, G3, MSG90 10 Round Magazine - Alloy H&K Heckler & Koch HKP-22418
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    HK91, G3, PTR Magazine - 10 Round - Alloy

    H&K Heckler & Koch

    $37.95
    H&K HK91, G3, MSG90 10 Round Magazine - Alloy This part counts as 1 US-made part for 922r compliance for HK rifles. Manufactured by HK and converted to ten round capacity in the United States using a US-made floorplate. Compatible With: HK91 HK...
    HKP-22418
    $37.95
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  • New - SureFire WARCOMP PTR (7.62x51/.308) Flash Hider - Threaded 5/8x24 - HKP-18024
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    HK G3, HK417 Flash Hider - WARCOMP - Threaded 5/8x24

    Surefire

    $159.95
    SureFire WARCOMP (7.62x51/.308) Flash Hider - Threaded 5/8x24 This flash hider is perfect for the post 2016 production PTR models as well as C308 models. Compatible With: HK G3/91/PTR HK 417/MR762 HK PSG1 B&T APR AR10 LR308 C308 7.62x51/.308...
    HKP-18024
    $159.95
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  • Out Of Stock
    New - H&K 91/G3 (7.62x51/.308) - 15 Round Magazine - HKP-17006 HK91, G3 - 15 Round Magazine

    HK91, G3 - 15 Round Magazine

    H&K Heckler & Koch

    $59.95
    HK G3 & HK 91, PTR91 - 15 Round Magazine The HK G3, 91 ,PTR magazine is made by PTR from a German aluminum HK magazine and converted to 15 rounds. Perfect for states such as NJ that only allow a 15 round mag capacity. As an added bonus this magazine...
    HKP-17006
    $59.95
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  • Used - H&K 90 Series Trigger German HK - Refinished - HKP-20678 HK90 Series Trigger - Refinished
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    HK90 Series Trigger - Refinished

    H&K Heckler & Koch

    $19.95
    Refinished German 90 Series Trigger Compatible With: HK91, G3, PTR HK93, 33, 53 HK MP5, 94, Zenith, POF, MKE Clone or other custom builds
    HKP-20678
    $19.95
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  • Out Of Stock
    New - H&K 45mm Picatinny Rail Cover - Black - Universal - HKP-18857 Picatinny Rail Cover - 45mm

    Picatinny Rail Cover - 45mm

    H&K Heckler & Koch

    $14.95
    H&K 45mm Picatinny Rail Cover - Universal New factory HK rubberized picatinny rail cover. Specifications: Rail cover dimensions: 45x26x7 mm Compatible With: HK picatinny rails Other Picatinny railed applications
    HKP-18857
    $14.95
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    $14.95
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