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 Friction Sear For SEF, Navy Trigger Packs - HKP-16198 HK MP5, HK33, HK53, HK93 Catch with Roller for SEF and Navy Trigger Packs
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    HK MP5, HK33, HK53, HK93 Catch with Roller for SEF and Navy Trigger Packs

    H&K Heckler & Koch

    $8.95
    H&K Friction Sear For SEF, Navy Trigger Packs New 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.
    $8.95
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  • New - H&K Sling Hardware - HKP-19367 HK Sling Hardware
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    HK Sling Hardware

    H&K Heckler & Koch

    $4.95
    HK German Sling Hardware New Old Stock Slider and sling tension adjuster for HK style slings and other sling applications. Steel manufacture. 
    $4.95
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  • HK Semi Auto Trigger Box - Billeted
HK Semi Auto Trigger Box - Billeted
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    HK Semi Auto Trigger Box - Billeted

    HKP HK Parts

    $69.95
    HK 90 Series, Century, PTR, & Zenith Trigger Pack - USA This part is a perfect 922r compliant part as it counts as one of the needed US-made parts. Each unit comes with new style updates for ease of putting parts into the trigger pack, and your...
    $69.95
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  • New - HKP Enhanced Ambi Selector Set - Contoured SEF - HKP-18257 HK Selector Set - Enhanced Ambi - Contoured SEF
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    HK Selector Set - Enhanced Ambi - Contoured SEF

    HKP HK Parts

    $74.95
    Ambidextrous Selector Lever Set For Contoured SEF Polymer Grip Frames   Features: Billet machined enhanced left & right side selector lever set Latest HK style titanium detent, enhanced spring for positive movement between...
    $74.95
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  • Used - H&K G3/91 (7.62x51/.308) SEF Navy Style Trigger Housing - Push Pin - USED EXELLENT - HKP-18335 HK91, G3 SEF Navy Style Trigger Housing - Push Pin - USED EXELLENT
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    HK91, G3 SEF Navy Style Trigger Housing - Push Pin - USED EXELLENT

    H&K Heckler & Koch

    $49.95
    H&K G3/91 (7.62x51/.308) SEF Navy Style Trigger Housing - Push Pin - USED EXELLENT German made Heckler & Koch grip housing comes in black polymer. Accepts standard SEF or 0,1 style trigger packs & SEF longer axled selector levers. Priced to...
    $49.95
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  • Used - HKP HK 91/G3 (7.62x51/.308) Stock Set - Jungle Green - Surplus - HKP-16331 HK91, G3 Stock Set - Jungle Green - Surplus
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    HK91, G3 Stock Set - Jungle Green - Surplus

    H&K Heckler & Koch

    $26.95
    Original German Army Used Surplus G3, 91, PTR Tropical/Jungle Green Stock Set  Factory HK German production. Each stock set is used but in perfect working order. Each set is in overall good condition. Most will clean up nicely with a little TLC. A...
    $26.95
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  • Out Of Stock
    New - RCM HK G3, HK 91, PTR Trunnion - HKP-01289 HK91, G3, PTR Trunnion

    HK91, G3, PTR Trunnion

    RCM

    $64.95
    RCM Trunnion For The HK91/G3 Series - US Made This part is machined from ordnance grade 9310 enhanced steel and heat treated to exact HK specifications. This item is the best USA-made trunnion on the market. Machined to spec and are to the custom ground...
    $64.95
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  • Used - H&K 91/G3 (7.62x51/.308) Slimline Forearm - OD Green - Used - HKP-16265 HK 91, G3 Handguard - Slimline Style - OD Green - Used
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    HK 91, G3 Handguard - Slimline Style - OD Green - Used

    H&K Heckler & Koch

    $14.95
    H&K 91/G3 (7.62x51/.308) Slimline Forearm - OD Green - Used This is a used German Military surplus OD green Slimline Forearm with a heat shield. Each forearm is in good condition and can be restored with a bit of TLC. The conditions range from good...
    $14.95
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  • New - H&K 91/G3 (7.62x51/.308) Rubberized Cocking Handle - HKP-00509 HK91, G3 Cocking Handle - Rubberized
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    HK91, G3 Cocking Handle - Rubberized

    H&K Heckler & Koch

    $32.95
    HK German G3 & HK 91 Rubberized Cocking Handle - Newest Style A genuine Heckler & Koch part. This is the latest style cocking handle that replaces the standard plastic style cocking handle that chips, cracks, and eventually falls off. This new...
    $32.95
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  • New - H&K Soft Case 42" Single Rifle Case - Black - HKP-20228 HK Soft Case 42" Single Rifle Case - Black
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    HK Soft Case 42" Single Rifle Case - Black

    H&K Heckler & Koch

    $129.95
    H&K Soft Case 42" Single Rifle Case - Black Protects 42" rifles and shorter with dense padding and durable water resistant PET shell material. Velcro wraparound handle to combine carrying handles. Large zippered storage compartment. Compatible...
    $129.95
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  • On Sale
    New - MKE HK MP5 Hammer Axle - HKP-22227 MKE HK MP5 Hammer Axle MKE HKP-22227
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    HK MP5 Hammer Axle

    MKE

    Now: $1.98
    Was: $2.99
    MKE HK MP5 Hammer Axle MKE Hammer axle for the 90 series style of trigger packs. Each axle pin or pivot pin measures .237 inches (6.0mm). A great spare and must have spare part for anyone that owns an HK 90 series of firearm or trigger packs. Compatible...
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    Was: $2.99
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  • New - H&K Burst Trigger Group Armorers Manual - HKP-00102
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    HK Armorers Manual for Burst Trigger Groups

    H&K Heckler & Koch

    $19.95
    H&K Burst Trigger Group Armorers Manual This manual will help with the disassembly, repair, and maintenance of all HK burst trigger groups.
    $19.95
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