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 - H&K 91/G3 (7.62x51/.308) Enhanced Trigger Pack - Match - HKP-17014 HK91, G3 Enhanced Trigger Pack - Match
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    HK91, G3 Enhanced Trigger Pack - Match

    H&K Heckler & Koch

    Now: $395.95
    Was: $439.95
    H&K 91/G3 (7.62x51 / .308) Enhanced Trigger Pack - Match Each HK German semi-auto trigger pack has been carefully converted from the factory 12lb pull to a match-weight of 5-6lbs by the renowned HK trigger-smith, Bill Springfield.  The result, a...
    Now: $395.95
    Was: $439.95
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    Was: $439.95
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  • On Sale
    New - H&K 90 Series Trigger - HKP-18706
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    HK90 Series Trigger

    H&K Heckler & Koch

    Now: $17.95
    Was: $19.95
    H&K 90 Series Trigger New German 90 series Compatible With: HK91, G3, PTR HK93, 33, 53 HK MP5, 94, Zenith, POF, MKE Clone or other custom builds
    Now: $17.95
    Was: $19.95
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    New - RCM HK G3/91 (7.62x51/.308) Barrel - Threaded 15x1 RH - HKP-01136 HK91, G3 Barrel - 7.62 / .308 - 17.7" - Threaded 15x1 RH

    HK91, G3 Barrel - 7.62 / .308 - 17.7" - Threaded 15x1 RH

    RCM

    Now: $238.45
    Was: $264.95
    RCM HK G3/91 (7.62x51/.308) Barrel - Threaded 15x1 RH Made by RCM to the highest tolerances and finest material available. Perfect for that HK build or to replace that shot-out barrel. Each barrel counts as 1 US-compliant part as a bonus. These are...
    Now: $238.45
    Was: $264.95
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    Was: $264.95
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  • On Sale
    New - HKP 90 Series Hammer For Trigger Pack - HKP-00377 HKP 90 Series Hammer For Trigger Pack
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    HKP 90 Series Hammer For Trigger Pack

    HKP HK Parts

    Now: $77.56
    Was: $96.95
    HKP 90 Series Hammer For Trigger Pack This US-made hammer is all steel billet, machined, and counts as one US 922r compliant part for your HK clone build. This US-made hammer can be used on all HK SEF, Navy, or 0, 1 style trigger packs in 9mm, 40/10, ...
    Now: $77.56
    Was: $96.95
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  • On Sale
    Used - Friction Sear-USED For SEF, Navy Trigger Packs - HKP-16197 HK MP5, HK33, HK53, HK93, HK91, G3 Catch with Roller for SEF, Navy Trigger Packs - USED
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    HK MP5, HK33, HK53, HK93, HK91, G3 Catch with Roller for SEF, Navy Trigger Packs - USED

    H&K Heckler & Koch

    Now: $4.04
    Was: $4.49
    Friction Sear-USED For SEF, Navy Trigger Packs hk335393, 91, G3,  Used in excellent condition, HK German Friction Sear for SEF & Navy trigger packs. This item is also referred to as the catch with roller but more commonly called a sear.
    Now: $4.04
    Was: $4.49
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  • On Sale
    Used - H&K 91/G3 (7.62x51/.308) Fixed Stock - Jungle Green - Used Excellent - HKP-18497 HK91, G3 Fixed Stock - Jungle Green - Used Excellent
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    HK91, G3 Fixed Stock - Jungle Green - Used Excellent

    H&K Heckler & Koch

    Now: $33.26
    Was: $36.95
    H&K 91/G3 (7.62x51/.308) Fixed Stock - Jungle Green - Used Excellent Handpicked best condition available. Comes with matching buttpad. Ready to install on your HK or clone rifle. Used in perfect working condition. Each stock includes all parts to be...
    Now: $33.26
    Was: $36.95
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    Was: $36.95
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  • On Sale
    Used - H&K 91/G3 (7.62x51/.308) Complete F/A Lower (SEF) - Black - HKP-17653 HK91, G3 Complete F/A Lower (SEF)
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    HK91, G3 Complete F/A Lower (SEF)

    H&K Heckler & Koch

    Now: $332.95
    Was: $369.95
    German G3 Surplus Lower Complete - Black Grip HK G3 SEF Steel Lower Complete. Each lower includes full auto trigger pack complete, selector lever, green grip, metal SEF grip frame, grip screw with screw washer. All of these parts are installed and ready...
    Now: $332.95
    Was: $369.95
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    Was: $369.95
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  • On Sale
    New - HKP HK 91/G3/MP5 Ambidextrous Selector Lever - Right Side - Low Profile - HKP-17898 HK91, G3, MP5 Ambidextrous Selector Lever - Right Side - Low Profile
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    HK91, G3, MP5 Ambidextrous Selector Lever - Right Side - Low Profile

    HKP HK Parts

    Now: $18.36
    Was: $39.95
    Low Profile, No Contact - Ambidextrous Selector Lever - Right Side This is the right side selector of the ambidextrous trigger packs that is low profile and does not interfere with the hand when the selector lever is in the fire, burst and F/A...
    Now: $18.36
    Was: $39.95
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  • Out Of Stock
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    New - HKP Rifle Rubber Buttpad For Wooden Stocks - Enhanced - HKP-17667 HK Rifle Rubber Buttpad - Wooden Stocks - Enhanced

    HK Rifle Rubber Buttpad - Wooden Stocks - Enhanced

    HKP HK Parts

    Now: $23.96
    Was: $29.95
    Butt Pad For Wooden Stocks - Enhanced Rubberized Buttpad The enhanced rubberized butt pad is a direct replacement to a standard fixed stock butt pad that can be replaced and upgraded in seconds. This buttpad provides a softer rubberized surface for...
    Now: $23.96
    Was: $29.95
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    Was: $29.95
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  • On Sale
    New - HKP HK G3,91,PTR, 93,33 & MP5, 94 Pinned Hammer Strut - HKP-20315 HKP HK G3,91,PTR, 93,33 & MP5, 94 Pinned Hammer Strut
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    HKP HK G3,91,PTR, 93,33 & MP5, 94 Pinned Hammer Strut

    HKP HK Parts

    Now: $11.16
    Was: $13.95
    HKP HK G3,91,PTR, 93,33 & MP5, 94 Pinned Hammer Strut New USA hammer strut for 90 series rifles and pistols. A perfect spare to have on hand. This is a pinned hammer spring shank. Perfect for your HK project or rebuild. Compatible With: HK trigger...
    Now: $11.16
    Was: $13.95
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    Was: $13.95
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  • On Sale
    New - HKP HK91, G3, PTR91 2 Point Leather Sling - Dark Brown - HKP-20271 HK91, G3, PTR91 2 Point Leather Sling - Dark Brown
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    HK91, G3, PTR91 2 Point Leather Sling - Dark Brown

    HKP HK Parts

    Now: $39.96
    Was: $49.95
    2 Point Leather Sling - Dark Brown These new HK Parts 2-point slings are based off of the original German HK design that are no longer offered. This is a 1st time offering, handcrafted by a German artisan and made in the USA. Made from quality USA...
    Now: $39.96
    Was: $49.95
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    On Sale
    New - H&K 3 Round Count Burst Wheel for 4 Position Trigger Packs - HKP-01639

    HK 3 Round Count Burst Wheel for 4 Position Trigger Packs

    H&K Heckler & Koch

    Now: $115.16
    Was: $127.95
    H&K 3 Round Count Burst Wheel For 4 Position Trigger Packs  
    Now: $115.16
    Was: $127.95
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    Now: $115.16
    Was: $127.95
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