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 (5.56/.223) & (7.62x51/.308) Rifle Blank Firing Adapter- HK Barrels - HKP-15593 HK91, G3 HK33, HK53, HK93 Blank Firing Barrel Adapter
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    HK91, G3 HK33, HK53, HK93 Blank Firing Barrel Adapter

    H&K Heckler & Koch

    $39.95
    H&K (5.56/.223) & (7.62x51/.308) Rifle Blank Firing Adapter- HK Barrels German blank firing adapter used from the German military. Best quality & price in the country by the best makers of US made HK components available anywhere. Compare...
    HKP-15593
    $39.95
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  • New - H&K Trigger Pack Housing - Semi 0,1 - HKP-02177
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    HK Trigger Pack Housing - Semi 0,1

    H&K Heckler & Koch

    $129.95
    H&K 2 Position (0,1) Semi-Auto Trigger Pack Housing This trigger pack housing is professionally converted to semi-auto with all legal and correct modifications, including a semi-sear hole and trigger stop. It is designed to provide reliable...
    HKP-02177
    $129.95
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  • HK91, G3, PTR Magazine - 20 Round - Alloy - Like New HK91, G3, PTR Magazine - 20 Round - Alloy - Like New
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    HK91, G3, PTR Magazine - 20 Round - Alloy - Like New

    Rheinmetall

    $19.95
    Rheinmetall HK G3, HK91, and PTR91 20 Round Magazine - Like New G3 alloy mags were made for the German Army and are no longer in production. Once they are gone, they are gone for good. Compatible With: HK G3 HK91 PTR91 In-spec. clones and custom builds
    HKP-22495
    $19.95
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  • New - H&K HK MP5/91/93/53/33/G3 Sear/Catch - HKP-01459
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    HK91, G3, MP5 Sear Catch - Steel - New Build

    H&K Heckler & Koch

    $69.95
    Heckler & Koch's Sear Catch Release - Complete For HK 90 Series Trigger Packs New HK German manufacture. Sear/Catch complete with installed detent, spring, and roll pin. Compatible With: HK MP5, HK MP5K HK91 HK G3 HK33, HK53, HK93 PTR Other 90...
    HKP-01459
    $69.95
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  • Used - H&K 91/G3 (7.62x51/.308) Fixed Stock with Enhanced Heavy Buffer - Dark OD Green - Surplus - HKP-18933 HK91, G3 Fixed Stock with Enhanced Heavy Buffer - Dark OD Green - Surplus
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    HK91, G3 Fixed Stock with Enhanced Heavy Buffer - Dark OD Green - Surplus

    H&K Heckler & Koch

    $129.95
    HK 91, G3 Fixed Stock with Enhanced Heavy Buffer Installed - Dark OD Green - Surplus Used Dark Olive Drab Green German surplus stock complete with Enhance DMR buffer installed. This Stock is so dark it looks to be brown. The stock and the buttpad on this...
    HKP-18933
    $129.95
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  • On Sale
    Used - HK G3 .22 20 Round Conversion Magazine - BLEMISHED - HKP-20750-B
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    HK91, G3 Conversion Magazine - .22LR - 20 Round - BLEMISHED

    H&K Heckler & Koch

    Now: $149.95
    Was: $199.95
    H&K Heckler & Koch's Conversion Magazine for HK91, G3 - Conversion Kit - 20 Round - BLEMISHED CONDITION MAY VARY. DENTS VISIBLE BUT MAGAZINES ARE STILL FUNCTIONAL. REFER TO PHOTOS TO ASCERTAIN CONDITION. Priced for ONE Conversion Magazine -...
    HKP-20750-B
    Now: $149.95
    Was: $199.95
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    Was: $199.95
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  • New - B&T SchleTek Suppressor Cleaner Evolution 1000ml - HKP-21726
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    Suppressor Cleaner Evolution - 1000ml

    SchleTek

    $70.00
    SchleTek Suppressor Cleaner Evolution 1000ml Keep your suppressors clean and optimally functioning with SchleTek suppressor cleaner.  
    HKP-21726
    $70.00
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    $70.00
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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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  • New - Picatinny to Harris Bipod Adapter - HKP-00909 Harris Bipod Adapter - Long - Picatinny
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    Harris Bipod Adapter - Long - Picatinny

    HKP HK Parts

    $34.95
    Harris Bipod Adapter  This mounts to any Picatinny rail and proves a stable platform to add a Harris bipod or other similar-style bipod. This will fit any Picatinny spec rail or rail system. Made in the US out of aircraft-grade aluminum and steel.
    HKP-00909
    $34.95
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  • On Sale
    Used - H&K (7.62/.308) & (5.56/.223) Flash Hider - USED - BLEMISHED - HKP-00717-B HK33, HK53, HK93, HK91, G3 Flash Hider - Threaded 15x1 RH - USED - BLEMISHED
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    HK33, HK53, HK93, HK91, G3 Flash Hider - Threaded 15x1 RH - USED - BLEMISHED

    H&K Heckler & Koch

    Now: $7.95
    Was: $15.95
    Heckler and Koch Flash Hider for (7.62/.308) & (5.56/.223) - 15x1 RH - USED - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Used surplus HK German...
    HKP-00717-B
    Now: $7.95
    Was: $15.95
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  • New - Timney Triggers HK91/G3 .308 2-Stage Trigger - Complete - HKP-20513-CP HK91, G3 2-Stage Trigger Group - Complete
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    HK91, G3 2-Stage Trigger Group - Complete

    Timney Triggers

    $478.95
    Timney Trigger for .308 - HK91 SEF Timney trigger group comes completely assembled and ready to drop in your receiver. Set up with a German ejector lever, new SEF selector lever, and a brand new factory German housing for the best trigger group available...
    HKP-20513-CP
    $478.95
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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 (9mm, .40/10, 5.56/.223, 7.62/.308) 3 Position (0,1,3 Pictogram) Universal Housing - Clipped & Pinned

    HK MP5, HK33, HK53, HK93, HK91 (9mm, .40/10, 5.56/.223, 7.62/.308) 3 Position (0,1,3 Pictogram) Universal Housing - Clipped & 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
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    $249.95
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