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
    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
    Out Of Stock
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    $0.00
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  • WOOX Vertical Grip - M-LOK WOOX Vertical Grip - M-LOK
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    WOOX Vertical Grip - M-LOK

    WOOX

    $88.95
    WOOX HK Rifle, SMG M-LOK Vertical Grip This M-LOK vertical grip is a compact, ambidextrous foregrip made from American walnut with a reversible dual-wall design (vertical wall AND curved wall) to suit different grip styles. The checkered texture is...
    HKP-22464
    $88.95
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    $88.95
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  • H&K HK 91/G3 Sniper Trigger Group with AC Unity Grip H&K Heckler & Koch HKP-22252 H&K HK 91/G3 Sniper Trigger Group with AC Unity Grip H&K Heckler & Koch HKP-22252
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    HK91, G3 Sniper Trigger Group - AC Unity Grip

    H&K Heckler & Koch

    $699.95
    H&K HK91, G3 Sniper Trigger Group with AC Unity Grip The G3, HK91 match trigger group paired with the AC Unity PSG1 style sniper grip is an outstanding choice for anyone looking to create a tactical and visually impressive build. With its robust...
    HKP-22252
    $699.95
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    $699.95
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  • Used - H&K 91/G3 (7.62x51/.308) Slimline Forearm - Jungle Green - New Old Stock - HKP-22102 HK91, G3 Slimline Handguard - Jungle Green - New Old Stock
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    HK91, G3 Slimline Handguard - Jungle Green - New Old Stock

    H&K Heckler & Koch

    $39.95
    H&K 91/G3 (7.62x51/.308) Slimline Forearm - Jungle Green - New Old Stock These are a nice addition to the collection. Compatible With: All full forearm length HK 91, G3, PTR style firearms
    HKP-22102
    $39.95
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    $39.95
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  • Used - H&K HK G3 Early Style Backplate with Recoil Rod - Used - HKP-19556 HK G3 Early Style Backplate with Recoil Rod - Used
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    HK G3 Early Style Backplate with Recoil Rod - Used

    H&K Heckler & Koch

    $24.95
    G3 - Early Production CETME, G3 HK91 Backplate - Used  
    HKP-19556
    $24.95
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    $24.95
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  • New - HKP HK 91/G3 (7.62x51/.308) Ambidextrous Trigger Pack (0,1) - Match Trigger - hkp-18425 HK91, G3 Trigger Pack - Ambi 0,1 - Semi-Auto - Match Trigger
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    HK91, G3 Trigger Pack - Ambi 0,1 - Semi-Auto - Match Trigger

    HKP HK Parts

    $474.95
    HK Parts and Heckler and Koch 2 Position 0,1 Ambidextrous Match Trigger Pack HK G3 and HK91 (7.62x51/.308) Complete with custom trigger conversion to achieve a light target trigger with an ultra-smooth pull. This HK German semi-auto...
    hkp-18425
    $474.95
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    $474.95
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  • New - H&K Burst Hammer For Burst Trigger Groups - HKP-00851 HK MP5, G3, HK33 Hammer with Pressure Shank for Burst Trigger Groups
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    HK MP5, G3, HK33 Hammer with Pressure Shank for Burst Trigger Groups

    H&K Heckler & Koch

    $349.95
    2 or 3-Round Burst Hammer with Pressure Shank HK factory burst trigger pack hammer and pressure shank.  Compatible with 2 and 3-round burst trigger packs: (0,1,3,F), (0,1,2,F), (0,1,3), (0,1,2). Compatible With: HK MP5, MP5K HK SP5, SP5K HK91,...
    HKP-00851
    $349.95
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    $349.95
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  • PTR PDW MOE PR Stock Magpul HKP-22347 HK51, PTR PDW MOE PR Stock
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    HK51, PTR PDW MOE PR Stock

    Magpul

    $249.95
    Magpul HK51, PTR PDW MOE PR Stock - Black Designed for the PTR PDW platform, this adapter ensures a precise fit and secure lockup for stock installation. Features: Secure lockup for repeatable seating and zero retention High-strength aluminum...
    HKP-22347
    $249.95
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  • Used - H&K 91/G3 (7.62x51/.308) Navy Style Trigger Group (SEF) - Used Good - HKP-00930 HK91, G3 Navy Style Trigger Group (SEF) - Used Good
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    HK91, G3 Navy Style Trigger Group (SEF) - Used Good

    H&K Heckler & Koch

    $354.95
    H&K 91/G3 (7.62x51/.308) Navy Style Trigger Group (SEF) - Used Good These are pulled from German military HK G3 rifles. These work great as spares or for collectible items. These are used but in good shape overall. Includes: SEF Black Polymer...
    HKP-00930
    $354.95
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    $354.95
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  • New - H&K 3 Position Ambidextrous Selector Lever - BURST ONLY - HKP-01294 HK MP5, HK94 Selector Lever - Burst Ambi 3 position - Right Side ONLY - BURST ONLY
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    HK MP5, HK94 Selector Lever - Burst Ambi 3 position - Right Side ONLY - BURST ONLY

    H&K Heckler & Koch

    $99.47
    H&K 3 Position Ambidextrous Selector Lever - BURST ONLY This selector lever will convert any 4 position 0, 1, 2, F or 0, 1, 3, F trigger group to non-full auto BURST capability only, making the rotation 3 position instead of 4 position. This selector...
    HKP-01294
    $99.47
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  • On Sale
    HK91, G3 A2 Stock - Tan - Saudi Contract - Rare HK91, G3 A2 Stock - Tan - Saudi Contract - Rare
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    HK91, G3 A2 Stock - Tan - Saudi Contract - Rare

    Other

    Now: $168.95
    Was: $279.95
    VARYING CONDITION SHOWN - SOLD INDIVIDUALLY Original Saudi Arabian contract G3 A2 fixed stock in tan. Don't miss your chance to get a rare contract G3 stock assembly in this condition. Compatible With: HK91, G3 In spec. clones and custom builds THIS...
    HKP-99424
    Now: $168.95
    Was: $279.95
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    Now: $168.95
    Was: $279.95
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  • Rail Panel Cover - M-LOK - 3 Slot Rail Panel Cover - M-LOK - 3 Slot
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    Rail Panel Cover - M-LOK - 3 Slot

    JMK

    $18.95 - $23.95
    JMK Rail Panel Cover - M-LOK - 3 Slot JMK M-LOK rail panels are compatible with platforms featuring M-LOK slots. These modular panels are suited for numerous applications. Each panel is sold individually. M-LOK panels are CNC-machined from solid...
    HKP-22403-M
    $18.95 - $23.95
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    $18.95 - $23.95
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