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.

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • HK51, PTR PDW Stock - AR15 Style
HK51, PTR PDW Stock - AR15 Style
    Add to Cart

    HK51, PTR PDW Stock - AR15 Style

    PTR

    $339.95
    HK51, PTR PDW Magpul Stock - AR-15 Style AR15/M16 to HK 90 series stock adapter for the HK51 and PTR PDW. This is a perfect compliment for those that want to use the popular Magpul Moe stock. Each adapter includes the proprietary locking ring, Magpul MOE...
    HKP-15753
    $339.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $339.95
    Subtotal:
  • New - X Products HK 91/G3/MSG90 (7.62x51/.308) 50 Round Drum Magazine - HKP-01283 HK91, G3, PTR Drum Magazine - 50 Round
    Add to Cart

    HK91, G3, PTR Drum Magazine - 50 Round

    X Products

    $278.95
    50 Round Drum HK91, G3, & PTR The X-91 drum replicates the original HK G8 drum to give you 50 rounds of .308 power housed in a compact, aluminum body.  The X-91 utilizes X Products’ ultra-compact single-stack coil system, delivering...
    HKP-01283
    $278.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $278.95
    Subtotal:
  • New - H&K 91/G3/MSG90 (7.62x51/.308) 5 Round Magazine - Steel - HKP-00220 HK91, G3, PTR Magazine - 5 Round - Steel
    Add to Cart

    HK91, G3, PTR Magazine - 5 Round - Steel

    H&K Heckler & Koch

    $174.95
    New HK German 5 Round Factory G3 and HK91 .308 Steel Magazine Factory German steel magazine.  This is an original German 5 round magazine from HK, not a modified assembly/cut-down magazine.  These mags are long out of production and only a...
    HKP-00220
    $174.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $174.95
    Subtotal:
  • M-LOK Rail Panel Cover - 2 Slot M-LOK Rail Panel Cover - 2 Slot
    Choose Options

    M-LOK Rail Panel Cover - 2 Slot

    JMK

    $13.95 - $18.95
    JMK Rail Panel Cover - M-LOK - 2 Slot JMK M-LOK rail panels are compatible with platforms featuring M-LOK slots. These modular panels are suited for numerous applications. Each panel is sold individually. M-LOK panels are CNC-machined from solid...
    HKP-22402-M
    $13.95 - $18.95
    Choose Options
    Qty in Cart: 0
    Quantity:
    Price:
    $13.95 - $18.95
    Subtotal:
  • Out Of Stock
    New - KNS Precision HK Push Button Take Down Pin - Small - HKP-21389 HK MP5, HK33, HK91 Take Down Pin - Push Button - Small

    HK MP5, HK33, HK91 Take Down Pin - Push Button - Small

    KNS Precision

    $24.99
    KNS Precision HK Push Button Take Down Pin - Small .234" This 6mm (.234") diameter take-down pin has a spring-loaded push button. When the button is depressed, the stainless steel keeper detents retract for easy pin removal. The pin is designed to...
    HKP-21389
    $24.99
    Out Of Stock
    Qty in Cart: 0
    Quantity:
    Price:
    $24.99
    Subtotal:
  • Out Of Stock
    Used - H&K MP5, 93/53/33, G3/91 (9mm, 40/10, 5.56/.223, 7.62/.308) 3 Position Navy Style Universal Trigger Housing - Clipped & Pinned - HKP-19712 HK MP5, HK33, HK53, HK93, HK91, G3 Trigger Housing - 3 Position Navy Style - Clipped and Pinned

    HK MP5, HK33, HK53, HK93, HK91, G3 Trigger Housing - 3 Position Navy Style - Clipped and Pinned

    H&K Heckler & Koch

    $449.95
    H&K MP5, 93/53/33, G3/91 (9mm, 40/10, 5.56/.223, 7.62/.308) 3 Position Navy Style Universal Trigger Housing - Clipped & Pinned Introducing the new 3 Position trigger housing, designed for versatility and performance across multiple applications...
    HKP-19712
    $449.95
    Out Of Stock
    Qty in Cart: 0
    Quantity:
    Price:
    $449.95
    Subtotal:
  • Out Of Stock
    New - PTR HK G3/91 (7.62x51/.308) Match Grade Barrel - Threaded 15x1 - HKP-00873 HK91, G3 Barrel - 7.62 / .308 - 18" - Threaded 15x1 - Match

    HK91, G3 Barrel - 7.62 / .308 - 18" - Threaded 15x1 - Match

    PTR

    $199.95
    PTR HK G3/91 (7.62x51/.308) Match Grade Barrel - Threaded 15x1 Each barrel is current PTR production and has the proper number and depth of flutes for optimum functionality. This barrel is a medium contour barrel that is larger in diameter than a...
    HKP-00873
    $199.95
    Out Of Stock
    Qty in Cart: 0
    Quantity:
    Price:
    $199.95
    Subtotal:
  • On Sale
    New - Ergo Harris Bipod Mount - KeyMod Handguard - HKP-17874
    Add to Cart

    Harris Bipod Mount - KeyMod Handguard

    Ergo

    Now: $9.95
    Was: $38.95
    Ergo Harris Bipod Mount - KeyMod Handguard   Features: KeyMod Bipod Mount Black anodized 6061-T6 Alum. Compatible With: Harris-style bipods
    HKP-17874
    Now: $9.95
    Was: $38.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $9.95
    Was: $38.95
    Subtotal:
  • Muzzle Brake - 5.56 and .308 - Threaded 5/8x24 RH Muzzle Brake - 5.56 and .308 - Threaded 5/8x24 RH
    Add to Cart

    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
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $29.95
    Subtotal:
  • On Sale
    New - HKP 2-Point Leather Sling - Brown - BLEMISHED - HKP-20162-B HKP 2-Point Leather Sling - Brown - BLEMISHED
    Add to Cart

    HKP 2-Point Leather Sling - Brown - BLEMISHED

    HKP HK Parts

    Now: $32.95
    Was: $49.95
    HKP 2 Point Leather Sling - Brown - BLEMISHED ONLY 5 UNITS 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. These new HK Parts 2-point...
    HKP-20162-B
    Now: $32.95
    Was: $49.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $32.95
    Was: $49.95
    Subtotal:
  • On Sale
    New - HK MP5 4" Cocking Tube Extrusion - Gunsmith Special - HKP-99060
    Add to Cart

    HK MP5 Cocking Tube - Extrusion - 4" - Gunsmith Special

    USA

    Now: $14.95
    Was: $39.95
    HK MP5 4" Cocking Tube Extrusion - Gunsmith Special This 4" cocking tube extrusion is ideal for custom HK-style firearm builds, repairs, or refurbishments, providing a solid foundation for restoring or fabricating cocking tubes on HK MP5, G3, and similar...
    HKP-99060
    Now: $14.95
    Was: $39.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $14.95
    Was: $39.95
    Subtotal:
  • Out Of Stock
    New - KNS Precision HK Push Button Take Down Pin - Large - HKP-21388 HK MP5, HK33, HK91 Take Down Pin - Push Button - Large

    HK MP5, HK33, HK91 Take Down Pin - Push Button - Large

    KNS Precision

    $24.99
    KNS Precision HK Push Button Take Down Pin - Large .275" This 7mm (.275") diameter take-down pin has a spring-loaded push button. When the button is depressed, the stainless steel keeper detents retract for easy pin removal. The pin is designed to...
    HKP-21388
    $24.99
    Out Of Stock
    Qty in Cart: 0
    Quantity:
    Price:
    $24.99
    Subtotal:
  • Total: items /

Adding your products to cart