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 MP5 Stock Locking Lever With Spring - HKP-02560 HK MP5, HK91, G3, HK33, HK53, HK93 A3 Buttstock Locking Lever with Spring

    HK MP5, HK91, G3, HK33, HK53, HK93 A3 Buttstock Locking Lever with Spring

    H&K Heckler & Koch

    $199.95
    HK MP5, HK91, G3, HK33/53/93 A3 Retractable Stock Locking Lever With Locking Spring Compatible With: MP5 (NOT compatible with MP5 .22 LR) HK G3, HK91 HK33, HK53, HK93
    HKP-02560
    $199.95
    Qty in Cart: 0
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    $199.95
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  • HK G3, HK417, HK33, HK53, HK93 Flash Hider - 5/8x24 - Plan B Taper Mount HK G3, HK417, HK33, HK53, HK93 Flash Hider - 5/8x24 - Plan B Taper Mount

    HK G3, HK417, HK33, HK53, HK93 Flash Hider - 5/8x24 - Plan B Taper Mount

    JMAC Customs

    $116.95
    5/8x24 - Plan B Taper Mount Flash Hider for HK G3, HK417, HK33, HK53, HK93  The 360HD is the latest evolution in JMac Custom's Recoil Reduction Device (RRD) family of muzzle brakes, designed to meet the needs of serious shooters...
    HKP-22412
    $116.95
    Qty in Cart: 0
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    $116.95
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  • On Sale
    Used - H&K G3/91 (.22LR) Caliber Conversion Kit - BLEMISHED - HKP-01147-B HK91, G3 Caliber Conversion Kit - .22LR - BLEMISHED

    HK91, G3 Caliber Conversion Kit - .22LR - BLEMISHED

    H&K Heckler & Koch

    Now: $409.46
    Was: $945.95
    Heckler and Koch HK G3, HK91 .22LR Caliber Conversion Kit - BLEMISHED THESE KITS INCLUDE A BENT BARREL AND ONE MAGAZINE. BLEMISHED PARTS ARE SOLD AS IS. THIS KIT IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Convert any HK91 or HK...
    HKP-01147-B
    Now: $409.46
    Was: $945.95
    Qty in Cart: 0
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    Now: $409.46
    Was: $945.95
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  • On Sale
    Used - HK G3 Buttpad - USED - HKP-99071 HK G3 Buttpad - USED

    HK G3 Buttpad - USED

    USA

    Now: $3.71
    Was: $14.95
    HK G3 Buttpad - USED HK G3 buttpad, condition will vary from part-to-part vs. the pictured unit. Compatible With: HK G3 THIS CLOSEOUT PART IS NOT ELIGIBLE FOR RETURN, REFUND, OR EXCHANGE.  SALE IS FINAL.
    HKP-99071
    Now: $3.71
    Was: $14.95
    Qty in Cart: 0
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    Now: $3.71
    Was: $14.95
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  • New - B&T HK G3 Side Rail - Short - HKP-21775 HK91, G3, MP7, G36 Side Rail - Short

    HK91, G3, MP7, G36 Side Rail - Short

    B&T Brugger & Thomet

    $42.00
    B&T HK G3/HK91, G36, MP7 Side Rail - Short Swiss made B&T short side rail for the B&T quad rail handguard. Compatible With B&T Handguards For: HK91/G3 G36 MP7
    HKP-21775
    $42.00
    Qty in Cart: 0
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    $42.00
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  • New - B&T HK91, G3 (7.62x51/.308) Flash Hider for M.A.R.S Suppressor - Threaded 15x1 RH - HKP-21518 HK91, G3 Flash Hider for M.A.R.S Suppressor - Threaded 15x1 RH

    HK91, G3 Flash Hider for M.A.R.S Suppressor - Threaded 15x1 RH

    B&T Brugger & Thomet

    $109.95
    B&T Brugger and Thomet Flash Hider for M.A.R.S Suppressor, Threaded 15x1 RH for HK91 and HK G3 7.62x51 / .308 Specifications: Made in Switzerland Threaded 15x1 RH Does not include face shims Compatible With: HK91, G3, PTR HK417, MR762 HK PSG1 7...
    HKP-21518
    $109.95
    Qty in Cart: 0
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    $109.95
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  • New - H&K / HKP V51 Fixed Stock - HKP-21270-M Vector Arms V51 Fixed Stock

    Vector Arms V51 Fixed Stock

    HKP HK Parts

    $279.95
    H&K / HKP V51 Fixed Stock HK Parts A2 style stocks for the Vector V51 platform. We start with a like-new backplate and convert it into a V51 collapsible style and pair it with a like-new, hand-picked stock.  The result, a complete A2 stock that...
    HKP-21270-M
    $279.95
    Qty in Cart: 0
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    $279.95
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  • New - HKP PTR PDW (7.62x51/.308) Complete Bolt Group - HKP-17389 HK PTR PDW Bolt Group - Complete

    HK PTR PDW Bolt Group - Complete

    HKP HK Parts

    $379.95
    US Made PTR Bolt Group Complete Semi-Auto 308. Factory correct bolt head and locking piece for use in the PTR PDW chambered in 7.62X51 or 308. Brand new May 2015 manufacture. This is the correct bolt for all PTR PDW with 8" barrels.
    HKP-17389
    $379.95
    Qty in Cart: 0
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    $379.95
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  • New - HK91, G3, PTR Folding Stock - HKP-00516 HK91, G3, PTR Folding Stock

    HK91, G3, PTR Folding Stock

    Choate

    $144.95
    HK 91, G3, PTR Side Folding Stock No gunsmith is needed as this is an easy install using your hardware from your existing fixed A2 stock. This counts as one US-made compliant part. Compatible With: HK91 G3 PTR91  Also fits HK93 and 33-style rifles...
    HKP-00516
    $144.95
    Qty in Cart: 0
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    $144.95
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  • New - H&K G3/91/PTR (7.62x51/.308) 4 Position (0,1,3,F Pictogram) Double Tang Trigger Housing- Clipped & Pinned - HKP-01515 HK91, G3 Trigger Housing - Double Tang 4 Position 0,1,3,F Pictogram - Clipped and Pinned

    HK91, G3 Trigger Housing - Double Tang 4 Position 0,1,3,F Pictogram - Clipped and Pinned

    H&K Heckler & Koch

    $534.95
    HK Heckler and Koch 4 Position 0,1,3,F Pictogram Double Tang Trigger Housing, Clipped and Pinned for HK G3 and HK91 and PTR  This ambidextrous HK trigger housing features a 4 position pictogram 0,1,3,F and is set up in a semi-auto clipped and pinned...
    HKP-01515
    $534.95
    Qty in Cart: 0
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    $534.95
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  • On Sale
    HK90 Series Cocking Tube End Cap - Aluminum - USED HK90 Series Cocking Tube End Cap - Aluminum - USED

    HK90 Series Cocking Tube End Cap - Aluminum - USED

    HKP HK Parts

    Now: $5.96
    Was: $12.95
    HK Cocking Tube End Cap - Aluminum - USED USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL USED PART SALES ARE FINAL. Made from weight-saving aircraft-grade aluminum alloy. US-made. Compatible With: All 90 series HK firearms and...
    HKP-02806-USED
    Now: $5.96
    Was: $12.95
    Qty in Cart: 0
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    Now: $5.96
    Was: $12.95
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  • New - MKE -4 Roller for Bolt Head 7.96mm - Under-sized - HKP-22238 MKE -4 Roller for Bolt Head 7.96mm - Under-sized MKE HKP-22238

    HK 90 Series Locking Roller for Bolt Head - 7.96mm

    MKE

    $28.95
    MKE -4 Roller for Bolt Head 7.96mm - Under-sized The proper roller size is essential for proper head spacing and bolt gap. Made in Turkey by MKE on HK tooling.  Please Note: The price listed is per roller. Order 2 (pair) for a complete set for the...
    HKP-22238
    $28.95
    Qty in Cart: 0
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    $28.95
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