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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  • Used - G3 Incomplete Backplate - Threaded - HKP-20860 HK91, G3 Backplate, Incomplete
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    HK91, G3 Backplate, Incomplete

    H&K Heckler & Koch

    $29.95
    G3 Incomplete Backplate Each backplate is refinished and parkerized as issued to the German military. This refinished backplate comes with a threaded end to accept a threaded recoil rod stop screw. With a quick and easy removable recoil rod stop you will...
    HKP-20860
    $29.95
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  • New - H&K German Ambidextrous Sling Pin Replacement O-Ring - HKP-19985
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    HK German Ambidextrous Sling Pin Replacement O-Ring

    H&K Heckler & Koch

    $5.95
    H&K German Ambidextrous Sling Pin Replacement O-Ring HK ambidextrous sling pin replacement O-ring for all ambidextrous sling pins. Brand new factory German manufacture. This item is a common wear/breakage part that does need to be replaced from time...
    HKP-19985
    $5.95
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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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  • 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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  • 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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  • 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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  • On Sale
    Used - H&K HK G3, 91, PTR Bolt Head Complete - Used - HKP-21902 HK91, G3, PTR Bolt Head Complete - Used
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    HK91, G3, PTR Bolt Head Complete - Used

    H&K Heckler & Koch

    Now: $78.95
    Was: $99.95
    German HK G3 & HK 91 & PTR Bolt Head Complete - Used German Date Coded Made in Germany. Each used bolt head is complete with all parts installed & 100% functional. Taken from live demilled German HK G3 rifles. Each bolt head is in good shape...
    HKP-21902
    Now: $78.95
    Was: $99.95
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    Now: $78.95
    Was: $99.95
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  • Out Of Stock
    New - SchleTek Firearm Cleaning & Tuning Kit - HKP-21732 HK Firearm Cleaning and Tuning Kit

    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
    Out Of Stock
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    $69.95
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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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