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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  • HK G3K, HK33K Flash Hider - 4 Prong - Open
HK G3K, HK33K Flash Hider - 4 Prong - Open
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    HK G3K, HK33K Flash Hider - 4 Prong - Open

    RCM

    $187.95
    RCM HK G3K/HK33K Flash Hider - 4 Prong - Open The RCM G3K and HK33K flash hider can be welded to a 12.69" barrel to achieve a non-SBR OAL of 16 plus inches or add to any other configuration. Made in the US from ordnance grade steel and counts as 1 922r...
    HKP-21599
    $187.95
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    $187.95
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  • Out Of Stock
    Used - H&K G3K/51 (7.62x51/.308) Rear Sight Drum - HKP-02049

    HK G3K, 51 Rear Sight Drum - 7.62 / .308

    H&K Heckler & Koch

    $104.95
    HK German G3K, HK51, SL6, & SL7 Rear Sight Drum Hard to find and no longer made or imported. Compatible With: G3K HK51 SL6 SL7
    HKP-02049
    $104.95
    Out Of Stock
    Qty in Cart: 0
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    $104.95
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  • New - PTR PDW (7.62x39) & (7.62x51/.308) Semi-Auto Bolt Carrier - HKP-14140 PTR PDW Bolt Carrier - Semi-Auto - 7.62x39, 7.62x51, and .308
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    PTR PDW Bolt Carrier - Semi-Auto - 7.62x39, 7.62x51, and .308

    PTR

    $260.95
    US-Made PTR PDW Semi Auto Carrier Made by PTR using the same blueprints and materials the German HK factory uses, has allowed PTR91 to manufacture the finest of HK-style firearms here in the US. The PDW semi-carrier is another example of superior...
    HKP-14140
    $260.95
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    $260.95
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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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    $189.99
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  • Used - H&K 91/G3 (7.62x51/.308) Complete Bolt Head - Used - HKP-00206 HK91, G3 Complete Bolt Head - Used
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    HK91, G3 Complete Bolt Head - Used

    H&K Heckler & Koch

    $179.95
    German HK G3 & HK 91 & PTR Bolt Head Complete - Used German "IC" Date Coded Made On HK tooling & prints in Germany in 1983 . Each used bolt head is complete with all parts installed & 100% functional. Taken from live demilled German HK G3...
    HKP-00206
    $179.95
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    $179.95
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  • Out Of Stock
    New - H&K German Bayonet Adapter With Hardware - HKP-00021 HK German Bayonet Adapter With Hardware

    HK German Bayonet Adapter With Hardware

    H&K Heckler & Koch

    $0.00
    H&K German Bayonet Adapter With Hardware HK German Bayonet Adapter W/ Screw & Hardware. The HK bayonet adapter replaces the cocking tube end cap (dust cap). Then the bayonet slides into the spring-loaded mechanism in the bayonet adapter. ...
    HKP-00021
    $0.00
    Out Of Stock
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  • Out Of Stock
    New - H&K 91/93/33/53/G3 (5.56/.223) & (7.62x51/.308) 1200 Meter Rear Sight - 3rd Generation - HKP-00561 HK33, HK53, HK93, HK91, G3 1200 Meter Rear Sight - 3rd Generation

    HK33, HK53, HK93, HK91, G3 1200 Meter Rear Sight - 3rd Generation

    H&K Heckler & Koch

    $0.00
    HK German 3rd Gen 1200 Meter Rear Sight. New HK German Manufacture. No longer in production
    HKP-00561
    $0.00
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    $0.00
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  • Out Of Stock
    Used - HK Locking Roller -4 , 7.96mm - HKP-17558 HK Locking Roller -4 , 7.96mm

    HK Locking Roller -4 , 7.96mm

    HKP HK Parts

    $8.95
    7.96mm - Undersized -4 Roller For HK Roller Lock Bolt HeadHK spec under-sized roller that will fit all HK bolt heads including HK91/G3, HK93/33/53, HK94, MP5, SP89 all clones and the Cetme & Cetme clones. An easy way to remember the size you need to...
    HKP-17558
    $8.95
    Out Of Stock
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    $8.95
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  • On Sale
    HK91, G3 Fixed Stock Complete with Enhanced Heavy Buffer - Black - BLEMISHED HK91, G3 Fixed Stock Complete with Enhanced Heavy Buffer - Black - BLEMISHED
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    HK91, G3 Fixed Stock Complete with Enhanced Heavy Buffer - Black - BLEMISHED

    HKP HK Parts

    Now: $206.95
    Was: $279.95
     HK91, G3 Fixed Stock Complete with Enhanced Heavy Buffer - Black - BLEMISHED ONLY 1 UNIT AVAILABLE - AS PICTURED SCRATCHES AND SMALL DINGS COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL...
    HKP-18937-B
    Now: $206.95
    Was: $279.95
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    Now: $206.95
    Was: $279.95
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  • On Sale
    Century Arms AP5 3-Point Sling - Complete - OD Green - BLEMISHED
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    Century Arms AP5 3-Point Sling - Complete - OD Green - BLEMISHED

    MKE

    Now: $25.95
    Was: $34.99
    Century Arms AP5 3-Point Sling - Complete - OD Green - 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 is a...
    HKP-21187-ODG-B
    Now: $25.95
    Was: $34.99
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    Now: $25.95
    Was: $34.99
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  • On Sale
    HK MP5, HK33,  HK91 3 Position (0,1,3 Pictogram) Universal Housing - Push Pin - BLEMISHED HK MP5, HK33,  HK91 3 Position (0,1,3 Pictogram) Universal Housing - Push Pin - BLEMISHED
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    HK MP5, HK33, HK91 3 Position (0,1,3 Pictogram) Universal Housing - Push Pin - BLEMISHED

    H&K Heckler & Koch

    Now: $176.95
    Was: $249.95
    HK MP5, HK33, HK91 3-Position (0, 1, 3) Universal Trigger Housing - Push Pin - 9mm, .40/10, 5.56/.223, 7.62/.308 VARYING CONDITION SHOWN - SOLD INDIVIDUALLY COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR...
    HKP-99376
    Now: $176.95
    Was: $249.95
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    Now: $176.95
    Was: $249.95
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  • On Sale
    HK Ambidextrous Sling - Green - USED HK Ambidextrous Sling - Green - USED
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    HK Ambidextrous Sling - Green - USED

    H&K Heckler & Koch

    Now: $108.95
    Was: $149.95
    HK Ambidextrous Sling - Green - 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. This sling is the factory HK Green 1.25" Ambi Sling with dual HK sling hooks...
    HKP-00183-USED
    Now: $108.95
    Was: $149.95
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    Now: $108.95
    Was: $149.95
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