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 - H&K Trigger Pack Ejector Lever Axle - HKP-01091 HK Trigger Pack Ejector Lever Axle

    HK Trigger Pack Ejector Lever Axle

    H&K Heckler & Koch

    $19.95
    H&K Trigger Pack Ejector Lever Axle HK German ejector lever axle pin for all HK trigger packs. This is the factory correct axle pin that holds the ejector lever in place in the trigger pack. Fits all SEF & Ambidextrous style HK trigger packs...
    HKP-01091
    $19.95
    Out Of Stock
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  • On Sale
    HK G3 Standard Stock Buttpad - Black - Used - BLEMISHED H&K Heckler & Koch HKP-21865-BL-B HK G3 Standard Stock Buttpad - Black - Used - BLEMISHED H&K Heckler & Koch HKP-21865-BL-B
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    HK G3 Buttpad with Catch Spring - Standard Stock - Black - Used - BLEMISHED

    H&K Heckler & Koch

    Now: $0.97
    Was: $2.95
    HK G3 Standard Stock Buttpad - Black - Used - BLEMISHED SOLD INDIVIDUALLY - CRACKED USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. This German-made buttpad is an excellent replacement for your...
    HKP-21865-BL-B
    Now: $0.97
    Was: $2.95
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  • New - HKP 90 Series F1 Flat Trigger - Skeletonized - HKP-21580 HK MP5, G3, HK93 Flat Trigger - Skeletonized
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    HK MP5, G3, HK93 Flat Trigger - Skeletonized

    HKP HK Parts

    $68.95
    HKP 90 Series Flat Trigger - Skeletonized - USA The HK Parts Skeletonized flat trigger for 90 series firearms offers improved control, reduced weight, and a custom look. Precision-machined from billet ordnance-grade steel with a QPQ nitride finish for...
    HKP-21580
    $68.95
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  • HK G3, HK91 Barrel Flute Cleaning Brush - 7.62x51 / .308 HK G3, HK91 Barrel Flute Cleaning Brush - 7.62x51 / .308
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    HK G3, HK91 Barrel Flute Cleaning Brush - 7.62x51 / .308

    HKP HK Parts

    $19.95
    HKP HK Cleaning Brush - Barrel Flute - .30 Cal - 7.62x51 / .308 This brush is a must-have for cleaning the chamber flutes on a G3/91-style firearm. If the flutes become clogged or dirty, the firearm will cease to extract properly and render your HK...
    HKP-22317
    $19.95
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  • New - H&K HK SEF & Navy 3 Position Trigger Spring - HKP-22178
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    HK90 Trigger Spring- 3 Position - SEF and Navy

    H&K Heckler & Koch

    $9.95
    H&K HK SEF & Navy 3 Position Trigger Spring Elevate your HK 90 series performance with a factory-fresh trigger spring, designed for both semi and full-auto models. These are an essential upgrade for any 90 series owner, ensuring optimal...
    HKP-22178
    $9.95
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  • New - Brass Catcher For HK .308/762, 223/556 Rifles - HKP-00846 HK33, HK53, HK93, HK91, G3 Brass Catcher - 7.62 / .308 - 5.56 / .223
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    HK33, HK53, HK93, HK91, G3 Brass Catcher - 7.62 / .308 - 5.56 / .223

    E&L MFG

    $79.95
    E&L Mfg. HK91/G3 Brass Catcher - .308/762, 223/5.56 Rifles Rigid brass catchers are uniquely designed to conform to the shape of the firearm. Snaps on and off instantly and are made from strong, lightweight, black textured plastic. Each holds a...
    HKP-00846
    $79.95
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  • New - H&K Bolt Locking Lever Pin/Cylindrical Pin - HKP-16913
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    HK Bolt Locking Lever Pin -Cylindrical Pin

    H&K Heckler & Koch

    $4.95
    Heckler and Koch Bolt Locking Lever Pin/Cylindrical Pin New HK91, G3, PTR-91 .308 & HK 93, 33, 53 Bolt Carrier Bolt Locking Lever pin (cylindrical pin). This item holds the locking lever & spring in place on the actual bolt head.
    HKP-16913
    $4.95
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  • On Sale
    New - MKE HK MP5 Rear Sights Locking Washer - HKP-22240
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    HK MP5 Rear Sights Locking Washer

    MKE

    Now: $1.95
    Was: $2.45
    MKE HK MP5 Rear Sights Locking Washer Secures the rear sight assembly on MKE and HK MP5 models to maintain proper alignment. Compatible With: Century Arms AP5 HK MP5/MP5K HK SP5/SP5K Will work with all 90 series firearms
    HKP-22240
    Now: $1.95
    Was: $2.45
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    Now: $1.95
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  • New - H&K HK G3 Recoil Rod - Demilled - HKP-21298
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    HK G3 Recoil Rod - Demilled

    H&K Heckler & Koch

    $18.54
    H&K HK G3/91 Recoil Rod - Demilled These recoil rods were demilled from damage or broken end caps. Fully functional and sitll assembled with the spring, roll pins, nylon ring and captive pin. Perfect to have on hand for spares or custom builds. 
    HKP-21298
    $18.54
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  • Out Of Stock
    New - H&K G28 Flash Hider - Black - Threaded 15x1 RH - HKP-18444 HK G28 Flash Hider - Threaded 15x1 RH

    HK G28 Flash Hider - Threaded 15x1 RH

    H&K Heckler & Koch

    $179.95
    H&K G28 Flash Hider - Threaded 15x1 RH Contains the factory correct thread pitch and markings. Rare here in the USA. Specifications: Made in Germany. Threaded 15x1 RH Compatible With: HK MR762 models and varaints HK 417 models and variants HK...
    HKP-18444
    $179.95
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  • New - Timney Triggers HK MP5, HK 91/93/94, HK G3 2-Stage Trigger - HKP-20500 HK MP5, HK91, G3, HK93, HK94 2-Stage Trigger
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    HK MP5, HK91, G3, HK93, HK94 2-Stage Trigger

    Timney Triggers

    $389.95
    Timney Trigger for MP-5, HK 91/93/94, G3, Clones The Timney HK MP5 trigger is factory-set with a two pound first stage and a two pound second stage pull weight. All trigger parts have been expertly designed and precision machined from premium materials...
    HKP-20500
    $389.95
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  • New - PTR HK 33/93/G3K Tactical Forearm - HKP-00367 HK33, HK93, G3K Tactical Handguard
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    HK33, HK93, G3K Tactical Handguard

    PTR

    $129.95
    HK 33, 93, G3K & PTR (shorter length) Tactical Hand Guard - US Made This robust tactical forearm allows the addition of either 2, 3, 4, or 6-inch bottom and side rails, giving you the greatest ability to customize your rails and configuration of any...
    HKP-00367
    $129.95
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