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 - H&K G3/91 Front Sight Tower - SURPLUS - HKP-22158 HK91, G3 Front Sight Tower - SURPLUS
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    HK91, G3 Front Sight Tower - SURPLUS

    H&K Heckler & Koch

    $16.95
    H&K G3/91 Front Sight Tower - SURPLUS UNIT QUALITY MAY VARY - SEE PHOTOS FOR EXAMPLE OF CONDITION RANGE Priced for ONE Unit - Sold Individually Used genuine H&K steel front sight tower for the G3 & HK91. Provides the front sight post assembly...
    HKP-22158
    $16.95
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    $16.95
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  • New - HKP SEF Skeletonized Franklin Armory Binary Aluminum Selectors - For Left Hand Shooters - HKP-20527 HK SEF Skeletonized Binary Aluminum Selectors - For Left Hand Shooters
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    HK SEF Skeletonized Binary Aluminum Selectors - For Left Hand Shooters

    HKP HK Parts

    $69.95
    HK Selector Lever Set for BFSIII HK Binary Trigger Pack - SEF Grip Frames - Aluminum Skeletonized SEF skeletonized style selector lever set modeled after the HK style selector lever for the Franklin Armory trigger packs.   With our new skeletonized...
    HKP-20527
    $69.95
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    $69.95
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  • New - H&K 91/G3 (7.62x51/.308) Complete Trigger Pack - Semi Auto - HKP-00217
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    HK91, G3 Trigger Pack - Complete - Semi-Auto

    H&K Heckler & Koch

    $348.95
    H&K G3/91 (7.62x51/.308) Complete Trigger Pack - Semi Auto HK German manufactured trigger pack complete with all the parts being professionally converted from a factory German F/A trigger pack to semi-only.  Compatible With: HK91, G3, PTR...
    HKP-00217
    $348.95
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    $348.95
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  • New - HK 91/G3 (7.62x51/.308) Heavy Recoil Buffer - HKP-01067
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    HK91, G3 Heavy Recoil Buffer

    USA

    $279.95
    HK Heavy Recoil Buffer For HK Style Firearms Made 100% in the USA by one of the best HK gunsmiths. Each unit is based on the original HK German 2-stage factory heavy buffer.  Compatible With: HK 91, G3, PTR SAR-3/8, FMP, Vector, SR9, PTR PDW, V51,...
    HKP-01067
    $279.95
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  • New - Choate Adjustable Folding Stock 1/2 inch Spacer - HKP-19032 Adjustable Folding Stock 1/2 inch Spacer
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    Adjustable Folding Stock 1/2 inch Spacer

    Choate

    $7.95
    Choate Adjustable Folding Stock 1/2 inch Spacer This spacer adds 1/2 inch to our HK Choate folding stocks that uses the adjustable length of pull spacer system. You can add up to 5 of these spacers to your stock.  
    HKP-19032
    $7.95
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    $7.95
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  • On Sale
    HK MP5, G3, PTR, HK93 Push Button for Magazine Catch H&K Heckler & Koch HKP-22325 HK MP5, G3, PTR, HK93 Push Button for Magazine Catch H&K Heckler & Koch HKP-22325
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    HK MP5, G3, HK93 Magazine Catch Push Button- Used

    H&K Heckler & Koch

    Now: $4.95
    Was: $8.95
    H&K MP5, G3, PTR, HK93 Push Button for Magazine Catch - Used   Factory original HK push button replacement part. Limited quantity available.   This is a used part, sold AS-IS, and is not eligible for return.  Compatible...
    HKP-99316
    Now: $4.95
    Was: $8.95
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    Now: $4.95
    Was: $8.95
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  • Out Of Stock
    New - H&K MP5, 93/53/33, 91 (9mm, .40/10, 5.56/.223, 7.62/.308) 3 Position (0,1,3 Pictogram) Universal Housing - Clipped & Pinned - HKP-19801 HK MP5, HK33, HK53, HK93, HK91 Housing - 3 Position 0,1,3 Pictogram - Clipped and Pinned

    HK MP5, HK33, HK53, HK93, HK91 Housing - 3 Position 0,1,3 Pictogram - Clipped and Pinned

    H&K Heckler & Koch

    $249.95
    H&K MP5, 93/53/33, 91 (9mm, .40/10, 5.56/.223, 7.62/.308) 3 Position (0,1,3 Pictogram) Universal Housing - Clipped & Pinned Introducing the universal 3 position burst pictogram housing for HK MP5, SP5, and .40/10 firearms. This new factory...
    HKP-19801
    $249.95
    Out Of Stock
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    $249.95
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  • Out Of Stock
    Used - FMP HK 91/G3 (7.62x51/.308) Complete Bolt Head - HK Contract FMP - Used - HKP-17628 HK91, G3 Complete Bolt Head - HK Contract FMP - Used

    HK91, G3 Complete Bolt Head - HK Contract FMP - Used

    H&K Heckler & Koch

    $59.95
    HK CONTRACT FMP - HK G3 & HK 91 & PTR Bolt Head Complete Made on HK tooling & prints in Portugal in the 1980's. Each used bolt head is complete with all parts installed & 100% functional. Removed from de-milled FMP HK G3 rifles. Each bolt...
    HKP-17628
    $59.95
    Out Of Stock
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    $59.95
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  • Used - H&K 91/G3 (7.62x51/.308) 20 Round Magazines - Shooter Value - 36 Pack - Steel - HKP-17390 HK91, G3 20 Round Magazines - Shooter Value - 36 Pack - Steel
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    HK91, G3 20 Round Magazines - Shooter Value - 36 Pack - Steel

    H&K Heckler & Koch

    $349.95
    HK 91, G3, PTR Shooter Pack - 36 Quantity 20 Round Magazines  All STEEL MAGS - RARE!!! For all those shooters or collectors out there this is the deal for you. For a limited time or while supplies last we have a case of 3 dozen shooter grade all...
    HKP-17390
    $349.95
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  • Out Of Stock
    Used - XS Front & Rear Night Sight System - HK - HKP-00883 HK MP5, HK90 Series Night Sight System - Front and Rear

    HK MP5, HK90 Series Night Sight System - Front and Rear

    XS Sights

    $153.99
    XS Front & Rear Night Sight System - HK Compatible With: HK MP5, 94 HK MP5K, SP89 HK 90 series or Clones HK 91, G3, PTR HK 93, 33, 53 HK MP5 40/10 HK21 HK 416 Other HK 90 series custom builds that use the diopter-style sights.
    HKP-00883
    $153.99
    Out Of Stock
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    $153.99
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  • New - H&K Extended Selector Lever - Burst 3 Position - HKP-16973 HK MP5, HK90 Series Extended Selector Lever - Left Side ESSL - Ambi Burst Trigger packs
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    HK MP5, HK90 Series Extended Selector Lever - Left Side ESSL - Ambi Burst Trigger packs

    H&K Heckler & Koch

    $94.95
    Heckler and Koch Extended Selector Lever - Burst 3 Position Brand new, genuine German HK extended ambi left side safety selector with axis for all ambidextrous burst lowers. This is a LEFT side EXTENDED Safety Selector Lever ESSL for ambidextrous...
    HKP-16973
    $94.95
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    $94.95
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  • On Sale
    HK MP5SF Bushing Sleeve - Elbow Spring with roller - USED HK MP5SF Bushing Sleeve - Elbow Spring with roller - USED
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    HK MP5SF Bushing Sleeve - Elbow Spring with roller - USED

    H&K Heckler & Koch

    Now: $2.96
    Was: $5.95
    HK MP5SF Bushing Sleeve - Elbow Spring with roller - USED   VARYING CONDITION SHOWN - SOLD INDIVIDUALLY   USED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN.  Features: Precision-machined elbow spring...
    HKP-03330-USED
    Now: $2.96
    Was: $5.95
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    Now: $2.96
    Was: $5.95
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