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 PSG1/MSG90/G3/91 (7.62x51/.308) Stock - HKP-00540 HK91, G3, PSG1, MSG90 Buttstock

    HK91, G3, PSG1, MSG90 Buttstock

    H&K Heckler & Koch

    $0.00
    New HK German MSG-90 Rear Stock Complete These MSG90 stocks have the PSG1 single stage buffer installed & are fully adjustable.  A genuine Heckler & Koch OEM product. The cheek piece and butt pad are adjustable on the fly. This stock is 2...
    HKP-00540
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    New - H&K 91/G3 (7.62x51/.308) Complete FBI Trigger Group - Clipped & Pinned - HKP-01029 HK91, G3 Complete FBI Trigger Group - Clipped & Pinned

    HK91, G3 Complete FBI Trigger Group - Clipped & Pinned

    H&K Heckler & Koch

    $0.00
    HK91, HKG3, & HK51 FBI Trigger Group Complete - Clipped and Pinned Genuine HK German Parts. This housing will work fine with the .308 variants, even without the double tang.
    HKP-01029
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    New - H&K 91/G3 (7.62x51/.308) 7.92mm Roller - (-8) - HKP-00346 HK91, G3 7.92mm Roller - (-8)

    HK91, G3 7.92mm Roller - (-8)

    H&K Heckler & Koch

    $0.00
    HK German Factory -8 Roller 7.92mm in size New HK German negative 8 (7.92mm) that is used for proper head spacing. Hard to find a factory HK roller in this size. Please Note: The price listed is per roller. Order 2 (pair) for a complete set for the bolt...
    HKP-00346
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    New - H&K 91/G3 (7.62x51/.308) #17 Locking Piece - 36 Degree - HKP-00581 HK91, G3 #17 Locking Piece - 36 Degree

    HK91, G3 #17 Locking Piece - 36 Degree

    H&K Heckler & Koch

    $0.00
    HK German #17 Locking Piece - 36 Degree One of the best ways to slow down & tame that 21). Can also be used for HK91/G3 special projects such as suppressors, & heavier than normal loads. This is also the factory correct locking piece for all...
    HKP-00581
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    New - H&K 91/G3 (.22LR) Extractor- German HK - HKP-01530

    HK91, G3 (.22LR) Extractor- German HK

    H&K Heckler & Koch

    $0.00
    HK German G3 .22 Caliber Conversion Extractor  These are no longer in production and are hard to find. In many cases, the .22 conversion kits out there have old or worn-out extractors.  Compatible With All Of The Factory HK .22 Kits: G3,...
    HKP-01530
    $0.00
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    Used - H&K 91/G3 (7.62x51/.308) F/A Bolt Group With Rhinemetall Carrier - HKP-00357 HK91, G3 Bolt Group - Full Auto - Rhinemetall Carrier

    HK91, G3 Bolt Group - Full Auto - Rhinemetall Carrier

    H&K Heckler & Koch

    $0.00
    German Rhinemetall G3, 91 F/A Bolt Group Complete Each Bolt group includes the following factory HK parts: Complete Bolt Head Assembled (extractor, extractor spring, roller retainer plate and rollers) >Firing pin >Firing pin spring >HK91/G3...
    HKP-00357
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    New - H&K G3/91/PTR (7.62x51/.308) 4 Position (0,1,3,F Pictogram) Double Tang Trigger Housing- Clipped & Pinned - HKP-01515 HK91, G3 Trigger Housing - 4 Position (0,1,3,F Pictogram) Double Tang - Clipped & Pinned

    HK91, G3 Trigger Housing - 4 Position (0,1,3,F Pictogram) Double Tang - Clipped & Pinned

    H&K Heckler & Koch

    $0.00
    H&K G3/91/PTR (7.62x51/.308) 4 Position (0,1,3,F Pictogram) Double Tang Trigger Housing- Clipped & Pinned This ambidextrous HK trigger housing features a 4 position pictogram (0,1,3,F) and is set up in a semi-auto clipped & pinned...
    HKP-01515
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    New - H&K 91/G3 (7.62x51/.308) 4 Position (0,1,3,F Pictogram) Trigger Housing - Push Pin - HKP-17823 HK91, G3 4 Position (0,1,3,F Pictogram) Trigger Housing - Push Pin

    HK91, G3 4 Position (0,1,3,F Pictogram) Trigger Housing - Push Pin

    H&K Heckler & Koch

    $0.00
    H&K 91/G3 (7.62x51/.308) 4 Position (0,1,3,F Pictogram) Trigger Housing - Push Pin This authentic German HK trigger housing features a 4 position pictogram (0,1,3,F) and is designed for push pin style G3 or Zenith firearms. It is configured for use...
    HKP-17823
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    New - H&K 91/G3 (7.62x51/.308) Clubfoot Stock - HKP-01456 HK91, G3 Clubfoot Stock

    HK91, G3 Clubfoot Stock

    H&K Heckler & Koch

    $0.00
    HK G3, 91, PTR-91 Or Clone Club Foot Stock HK clubfoot stock comes fully assembled with all German Heckler & Koch Genuine parts. Compatible With: HK 91 HK G3 PTR-91, 32 Rifles HK .308 Rifles Other custom HK builds or clone builds. Each HK Clubfoot...
    HKP-01456
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    New - H&K 91/G3 (7.62x51/.308) Horizontal Vented Wide Handguard - Black - HKP-02101 HK91, G3 Handguard - Wide - Horizontal Vented

    HK91, G3 Handguard - Wide - Horizontal Vented

    H&K Heckler & Koch

    $0.00
    New HK German HK 91, G3 Horizontal Vented Wide Black Forearm / Handguard HK91,G3, PTR 18" barreled forearm with vents to provide extra cooling. New factory fresh production and German HK.
    HKP-02101
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    New - HK 91/G3 (7.62x51/.308) Heavy Recoil Buffer - HKP-01067

    HK91, G3 Heavy Recoil Buffer

    $199.95
    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
    $199.95
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    New - HKP/H&K 91/G3 (7.62x51/.308) Trigger Group - 3 Position - Navy Housing - HKP-17242 HK91, G3 Trigger Group - 3 Position - Navy Housing

    HK91, G3 Trigger Group - 3 Position - Navy Housing

    HKP HK Parts

    $579.95
    G3, 91, PTR Trigger Group 3 Position Navy Housing Introducing a cost-effective alternative to the high-priced and rare all-German HK FBI or 0,1 ambidextrous trigger groups. This semi-auto trigger group is available in a 3-position Navy factory German HK...
    HKP-17242
    $579.95
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