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 - 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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    $129.95
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  • New - HKP Front Sight Tower Ambi Sling Attachment Weldment - HKP-17881 HK MP5, MP5K Sling Attachment Weldment - Ambi - Front End
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    HK MP5, MP5K Sling Attachment Weldment - Ambi - Front End

    HKP HK Parts

    $14.95
    HKP Front Sight Tower Ambi Sling Attachment Weldment Ambi sling loop that is welled and installed on all MP5F model front sight tower. A great upgrade for that custom build or for those that want to have the ability to have an ambidextrous sling loop at...
    HKP-17881
    $14.95
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    $14.95
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  • Used - H&K G3 Complete Parkerized Rear Receiver Section w/ Rear Sight - SURPLUS - HKP-22164 HK G3 Rear Receiver Section with Rear Sight - Complete - Parkerized - SURPLUS
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    HK G3 Rear Receiver Section with Rear Sight - Complete - Parkerized - SURPLUS

    H&K Heckler & Koch

    $54.95
    H&K G3 Complete Parkerized Rear Receiver Section w/ Rear Sight - SURPLUS UNIT QUALITY MAY VARY - SEE PHOTOS FOR EXAMPLE OF CONDITION RANGE Sold Individually Genuine H&K parkerized steel rear receiver section with fully installed G3 rear sight...
    HKP-22164
    $54.95
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    $54.95
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  • New - RCM HK G3 & M61 (7.62x51/.308) Barrel - Threaded 15x1 RH - HKP-21353 HK G3, M61 Barrel - 7.62 - 17.7" - Threaded 15x1 RH
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    HK G3, M61 Barrel - 7.62 - 17.7" - Threaded 15x1 RH

    RCM

    $274.95
    RCM HK G3 & M61 (7.62x51/.308) Barrel - Threaded 15x1 RH Brand New Barrel for the Pre-G3 HK M61. The M61 was produced by H&K in Germany and has some aesthetic features that the final G3 rifles did not incorporate. A true piece of history can be...
    HKP-21353
    $274.95
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    $274.95
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  • New - H&K 93/91/33/53/G3 (5.56/.223) & (7.62x51/.308) Bolt Locking Lever Axle Pin - HKP-17624
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    HK33, HK53, HK93, HK91, G3 Bolt Locking Lever Axle Pin

    H&K Heckler & Koch

    $9.95
    HK Bolt Carrier Bolt Locking Lever Axle Pin - G3, 91, PTR & HK93, 33, 53 Brand new HK German bolt locking lever axle pin or cylinder pin for HK locking levers. Compatible With: G3, 91, PTR HK 93, 33, 53 HK21, 23, 11, 13 PSG1, MSG90
    HKP-17624
    $9.95
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    $9.95
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  • New - H&K 91/93/33/53/G3 (5.56/.223) & (7.62x51/.308) Internal Buffer With Break Springs - HKP-17424
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    HK33, HK53, HK93, HK91, G3 Internal Buffer With Break Springs

    H&K Heckler & Koch

    $17.95
    HK German G3, 91, PTR & HK 33, 93 Internal Buffer Brake Spring New HK German Brake Springs for the standard buffer found on the HK G3, 91, PTR & HK93, 33, 53 rear stocks. Compatible With: All standard A2 fixed stock buffers
    HKP-17424
    $17.95
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    $17.95
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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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    $79.95
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  • On Sale
    HK91, G3, PTR Magazine - 20 Round - Steel - USED HK91, G3, PTR Magazine - 20 Round - Steel - USED
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    HK91, G3, PTR Magazine - 20 Round - Steel - USED

    Rheinmetall

    Now: $24.95
    Was: $34.95
    Rheinmetall HK91, G3, PTR Magazine - 20 Round - Steel - USED VARYING CONDITION SHOWN - SOLD INDIVIDUALLY DENTS AND PITTING USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL USED PART SALES ARE FINAL. G3 steel mags were made for the...
    HKP-22495-USED
    Now: $24.95
    Was: $34.95
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    Now: $24.95
    Was: $34.95
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  • On Sale
    HK MP5, 90 Series, AP5 Sear - Friction - SEF and Navy Trigger Packs HK MP5, 90 Series, AP5 Sear - Friction - SEF and Navy Trigger Packs
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    HK MP5, 90 Series, AP5 Sear - Friction - SEF and Navy Trigger Packs

    MKE

    Now: $6.95
    Was: $8.95
    MKE AP5, MP5, 90 Series Friction Sear for SEF and Navy Trigger Packs Steel friction sear manufactured in Turkey for HK 90 Series trigger packs. Designed for use in SEF and Navy-style configurations, this component is commonly referred to as the catch...
    HKP-22521
    Now: $6.95
    Was: $8.95
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    Now: $6.95
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  • New - SchleTek Firearm Cleaning & Tuning Kit - HKP-21732 HK Firearm Cleaning and Tuning Kit
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    HK Firearm Cleaning and Tuning Kit

    SchleTek

    $69.95
    SchleTek Firearm Cleaning & Tuning Kit The SchleTek Firearm Cleaning & Tuning Kit is an all-in-one solution for maintaining peak performance and reliability in your firearms. Designed for both professionals and enthusiasts, this comprehensive kit...
    HKP-21732
    $69.95
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    $69.95
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  • New - HK91, G3 (7.62x51/.308) 4 Position (0,1,3,F) Burst Trigger Group - Push Pin - HKP-00208 HK91, G3 Trigger Group - Burst 4 Position 0,1,3,F - Push Pin
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    HK91, G3 Trigger Group - Burst 4 Position 0,1,3,F - Push Pin

    H&K Heckler & Koch

    $3,299.95
    HK Heckler and Koch 4 Position Burst Trigger Group - for HK G3, HK91, and HK PTR - German HK  HK G3 and HK91 4 Position 0,1,3,F burst trigger group is complete factory German. Rare and hard to find. Setup in 7.63/.308 for factory swing down HK G3...
    HKP-00208
    $3,299.95
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    $3,299.95
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  • New - H&K (5.56/.223) & (7.62x51/.308) Rifle Blank Firing Adapter- HK Barrels - HKP-15593 HK91, G3, HK33, HK53, HK93 Blank Firing Barrel Adapter - Threaded 15x1 RH
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    HK91, G3, HK33, HK53, HK93 Blank Firing Barrel Adapter - Threaded 15x1 RH

    H&K Heckler & Koch

    $39.95
    Heckler and Koch Blank Firing Adapter for HK Rifle Barrels 5.56 / .223 and 7.62x51 / .308) German blank firing adapter used from the German military. Best quality and price in the country by the best makers of US made HK components available anywhere...
    HKP-15593
    $39.95
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    $39.95
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