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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  • Refurbished - HK G3/91 (7.62x51/.308) 15 Round Steel Magazine - Refinished - HKP-21922 HK G3/91 (7.62x51/.308) 15 Round Steel Magazine - Refinished
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    HK G3/91 (7.62x51/.308) 15 Round Steel Magazine - Refinished

    H&K Heckler & Koch

    $84.95
    HK G3/91 (7.62x51/.308) 15 Round Steel Magazine - Refinished HK G3 factory steel 15-round magazine, expertly restored to its former glory. This magazine has been meticulously refinished inside and out, featuring a polished follower along with a fully...
    HKP-21922
    $84.95
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  • New - H&K A3 Stock Release Lever Rebuild Kit - HKP-21851
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    HK A3 Stock Release Lever Rebuild Kit

    H&K Heckler & Koch

    $14.95
    H&K A3 Stock Release Lever Rebuild Kit This A3 collapsible stock rebuild kit is designed for the release lever on MP5, SP5, 93/53/33, and G3/91 collapsible stocks.  With A3 stocks becoming more expensive it's a great idea to keep this kit on...
    HKP-21851
    $14.95
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    $14.95
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  • HK 20 Round HK91, G3 Rare LEO Laser Marked Steel Magazine - Parkerized HK 20 Round HK91, G3 Rare LEO Laser Marked Steel Magazine - Parkerized
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    HK 20 Round HK91, G3 Rare LEO Laser Marked Steel Magazine - Parkerized

    H&K Heckler & Koch

    $59.95
    20 Round Steel Magazine HK L.E.O - HK 91, G3, PTR .308- LEO Laser Marked  Perfect for the avid collector, HK .308 factory steel 20-round all-steel magazine. Each magazine starts as a handpicked unit and is expertly broken down and refinished, inside...
    HKP-19333
    $59.95
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  • New - PTR PDW (7.62x51/.308) 9 inch Barrel - HKP-02788 PTR PDW Barrel - 7.62 / .308 - 9" - SBR
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    PTR PDW Barrel - 7.62 / .308 - 9" - SBR

    PTR

    $189.99
    PTR PDW .308 Pistol or SBR Barrel- USA This part comes new in the white, never installed, and ready for the HK project. Features: Just under 9" inches long 1:10 twist U.S. made barrel counts as one 922r compliant part Please Note: Front sight towers...
    HKP-02788
    $189.99
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  • Out Of Stock
    New - HKP PTR-32 (7.62x39) Complete Bolt Group - PDW - HKP-17387 HK PTR-32 Bolt Group - Complete - PDW

    HK PTR-32 Bolt Group - Complete - PDW

    HKP HK Parts

    $379.95
    US Made PTR 32 PDW Bolt Group Complete Semi-Auto. Factory correct bolt head and locking piece for use in the PTR 32 chambered in 7.62X39. Brand new May 2015 manufacture. This is the correct bolt for all PTR PDW with 8" barrels.
    HKP-17387
    $379.95
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    $379.95
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  • New - H&K 91/G3 (7.62x51/.308) 4 Position (0,1,3,F Pictogram) Trigger Housing - Push Pin - HKP-17823 HK91, G3 4 Position (0,1,3,F Pictogram) Trigger Housing - Push Pin
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    HK91, G3 4 Position (0,1,3,F Pictogram) Trigger Housing - Push Pin

    H&K Heckler & Koch

    $459.95
    H&K 91/G3 (7.62x51/.308) 4 Position (0,1,3,F Pictogram) Trigger Housing - Push Pin This authentic German HK trigger housing features a 4 position pictogram (0,1,3,F) and is designed for push pin style G3 or Zenith firearms. It is configured for use...
    HKP-17823
    $459.95
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    $459.95
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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: $4.95
    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: $4.95
    Was: $8.95
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    Now: $4.95
    Was: $8.95
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  • Muzzle Brake - 5.56 and .308 - Threaded 5/8x24 RH Muzzle Brake - 5.56 and .308 - Threaded 5/8x24 RH
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    Muzzle Brake - 5.56 and .308 - Threaded 5/8x24 RH

    HKP HK Parts

    $29.95
    HKP muzzle brake threaded 5/8x24 RH for 5.56/.223 and 7.62x51/.308 firearms This HKP muzzle brake is manufactured in the USA to HK specifications and is designed for use on 5.56 and .308 rifles. It features a partially milled birdcage-style design...
    HKP-22508
    $29.95
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  • Out Of Stock
    On Sale
    HK Linear Compensator - Threaded 5/8x24 RH - (5.56 & .308) - USED HK Linear Compensator - Threaded 5/8x24 RH - (5.56 & .308) - USED

    HK Linear Compensator - Threaded 5/8x24 RH - (5.56 & .308) - USED

    HKP HK Parts

    Now: $65.95
    Was: $149.95
    HK Linear Compensator - Threaded 5/8x24 RH - (5.56 & .308) - USED ONLY 1 UNIT AVAILABLE - AS PICTURED USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Linear compensators give you the best of both...
    HKP-19338-USED
    Now: $65.95
    Was: $149.95
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    Now: $65.95
    Was: $149.95
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  • On Sale
    HK91, G3, PTR Stock - Wood - BLEMISHED HK91, G3, PTR Stock - Wood - BLEMISHED
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    HK91, G3, PTR Stock - Wood - BLEMISHED

    H&K Heckler & Koch

    Now: $142.95
    Was: $199.95
    HK91, G3, PTR Stock - Wood - BLEMISHED ONLY 1 UNIT AVAILABLE - AS PICTURED CRACKED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Complete rear stock for...
    HKP-19275-B
    Now: $142.95
    Was: $199.95
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    Now: $142.95
    Was: $199.95
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  • HK91, G3 Retractable Buttstock Retaining Ring - 19x1.2mm
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    HK91, G3 Retractable Buttstock Retaining Ring - 19x1.2mm

    H&K Heckler & Koch

    $12.95
    HK91, G3 19x1.2mm Retaining Ring for A3 Retractable Buttstocks This 19x1.2 retaining ring (circlip-style) is used in the G3 and HK91 A3 retractable buttstock assembly to help retain the locking components in place for proper fit and function. Compatible...
    HKP-22482
    $12.95
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    $12.95
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  • On Sale
    AIM HK 91 Carbine Length Handguard - Keymod - BLEMISHED AIM HKP-18178-B AIM HK 91 Carbine Length Handguard - Keymod - BLEMISHED AIM HKP-18178-B
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    HK91 Handguard - Carbine Length - Keymod - BLEMISHED

    AIM

    Now: $48.95
    Was: $69.95
    AIM HK 91 Carbine Length Handguard - Keymod - BLEMISHED ONLY 1 UNIT AVAILABLE - AS PICTURED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. This sleek streamlined...
    HKP-18178-B
    Now: $48.95
    Was: $69.95
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    Now: $48.95
    Was: $69.95
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