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
  • On Sale
    Used - H&K 90 Series Trigger German HK - Refinished - HKP-20678 HK90 Series Trigger - Refinished
    Add to Cart

    HK90 Series Trigger - Refinished

    H&K Heckler & Koch

    Now: $17.95
    Was: $19.95
    Refinished German 90 Series Trigger Compatible With: HK91, G3, PTR HK93, 33, 53 HK MP5, 94, Zenith, POF, MKE Clone or other custom builds
    Now: $17.95
    Was: $19.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $17.95
    Was: $19.95
    Subtotal:
    Add to Cart
  • On Sale
    New - HKP 2 Point Leather Sling - Brown - HKP-20162 HKP 2 Point Leather Sling - Brown
    Add to Cart

    HKP 2 Point Leather Sling - Brown

    HKP HK Parts

    Now: $39.96
    Was: $49.95
    2 Point Leather Sling - Brown These new HK Parts 2-point slings are based off of the original German HK design that are no longer offered. This is a 1st time offering, handcrafted by a German artisan. Made in the USA from quality leather and hardware for...
    Now: $39.96
    Was: $49.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $39.96
    Was: $49.95
    Subtotal:
    Add to Cart
  • On Sale
    New - H&K 91/G3/MSG90 (7.62x51/.308) 2x20 Round Aluminum Mags W/ Cloth Mag Pouch - HKP-15792 HK91, G3, PTR TWO Magazines with Cloth Mag Pouch - 20 round
    Add to Cart

    HK91, G3, PTR TWO Magazines with Cloth Mag Pouch - 20 round

    H&K Heckler & Koch

    Now: $44.96
    Was: $49.95
    H&K 91/G3/MSG90 (7.62x51/.308) 2x20 Round Aluminum Mags W/ Cloth Mag Pouch  2 X New/like new HK German 20 round aluminum magazine with green cloth mag pouch combo deal: 2 X 20 round aluminum magazines and green cloth mag pouch. Compatible...
    Now: $44.96
    Was: $49.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $44.96
    Was: $49.95
    Subtotal:
    Add to Cart
  • On Sale
    Used - H&K G3 Parts Kit - RCM Barrel - HKP-16577 HK91, G3 Parts Kit - RCM Barrel
    Add to Cart

    HK91, G3 Parts Kit - RCM Barrel

    H&K Heckler & Koch

    Now: $467.06
    Was: $518.95
    HK German G3 .308/7.62 X 51mm Surplus Parts Kit Finally, after more than 4 years of searching the globe, we have HK German Surplus G3 parts kits available to offer. Each parts kit comes complete with all parts from a functional HK G3 full auto rifle that...
    Now: $467.06
    Was: $518.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $467.06
    Was: $518.95
    Subtotal:
    Add to Cart
  • Out Of Stock
    On Sale
    New - PTR HK G3/91 (7.62x51/.308) GI Barrel - Threaded 5/8x24 - HKP-18435 HK91, G3 Barrel - 7.62 / .308 - 18" - Threaded 5/8x24

    HK91, G3 Barrel - 7.62 / .308 - 18" - Threaded 5/8x24

    PTR

    Now: $193.45
    Was: $214.95
    PTR HK G3/91 (7.62x51/.308) GI Barrel - Threaded 5/8x24 New PTR91 US made G.I. spec 18" barrel. Perfect for any barrel threaded 5/8x24. New production perfect for new builds. This part counts as one US made compliant part. Specifications: Overall Lenght...
    Now: $193.45
    Was: $214.95
    Out Of Stock
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $193.45
    Was: $214.95
    Subtotal:
    Out Of Stock
  • On Sale
    Used - FMP HK G3 (7.62x51/.308) Parts Kit (HK Contract) - HKP-17694 HK G3 Parts Kit - FMP (HK Contract)
    Add to Cart

    HK G3 Parts Kit - FMP (HK Contract)

    H&K Heckler & Koch

    Now: $269.95
    Was: $299.95
    HK Contract Portuguese FMP G3 .308/7.62 X 51mm Surplus Parts Kit Each parts kit comes complete with all parts from a functional HK G3 full auto rifle that was demilled into a parts kit with the exception of the barrel and receiver. As per BATFE import...
    Now: $269.95
    Was: $299.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $269.95
    Was: $299.95
    Subtotal:
    Add to Cart
  • On Sale
    Used - H&K 91/G3 (7.62x51/.308) Slimline Forearm - Black - Used Surplus - HKP-18315 HK91, G3 Handguard - Slimline Style- Used Surplus
    Add to Cart

    HK91, G3 Handguard - Slimline Style- Used Surplus

    H&K Heckler & Koch

    Now: $13.46
    Was: $14.95
    Used Authentic German Military Surplus Black Slim Line Forearm With Heat Shield In used condition. For the money, these are a nice addition to the collection. Compatible With: All full forearm length HK 91, G3, PTR style firearms
    Now: $13.46
    Was: $14.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $13.46
    Was: $14.95
    Subtotal:
    Add to Cart
  • New - PTR HK 91/G3 (7.62x51/.308) Trigger Group - 5 U.S. 922 Parts - HKP-02643 HK91, G3 Trigger Group - 5 U.S. 922 Parts
    Add to Cart

    HK91, G3 Trigger Group - 5 U.S. 922 Parts

    PTR

    $369.95
    HK 91, G3, & PTR91 Semi Auto Trigger Group Complete This lower is ready to drop on your semi-auto HK firearm. It comes complete with the US-made parts already installed. The remaining parts are all German HK parts to make up the rest of the trigger...
    $369.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $369.95
    Subtotal:
    Add to Cart
  • On Sale
    New - Full AutoTrigger Pack Elbow Spring W/ Roller - HKP-02438 HK MP5, HK91, G3 Elbow Spring with Roller - Trigger Pack - Full Auto
    Add to Cart

    HK MP5, HK91, G3 Elbow Spring with Roller - Trigger Pack - Full Auto

    H&K Heckler & Koch

    Now: $40.46
    Was: $44.95
    Full AutoTrigger Pack Elbow Spring W/ Roller This item is a factory HK German replacement part.
    Now: $40.46
    Was: $44.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $40.46
    Was: $44.95
    Subtotal:
    Add to Cart
  • Out Of Stock
    On Sale
    New - RCM HK G3/91 Threaded Barrel - 5/8x24 - CHF - HKP-21838 HK91, G3 Barrel - 7.62x51 - 17.7" - Threaded 5/8x24

    HK91, G3 Barrel - 7.62x51 - 17.7" - Threaded 5/8x24

    RCM

    Now: $238.49
    Was: $264.99
    RCM HK G3/91 Threaded Barrel - 5/8x24-CHE Machined by RCM from a Mil-Spec 41V50 Hammer Forged Blank. These blanks are considered to be one of the finest made. 1:10 twist, Nitride finish. Perfect for that HK build or to replace that shot out barrel. Each...
    Now: $238.49
    Was: $264.99
    Out Of Stock
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $238.49
    Was: $264.99
    Subtotal:
    Out Of Stock
  • Out Of Stock
    On Sale
    New - Left Side Ambidextrous Selector Lever FBI - 0,1 - HKP-00121 Left Side Ambidextrous Selector Lever FBI - 0,1

    Left Side Ambidextrous Selector Lever FBI - 0,1

    H&K Heckler & Koch

    Now: $112.49
    Was: $124.99
    Left Side Ambidextrous Selector Lever FBI - 0,1 Compatible with all ambi style housings and ambidextrous 0,1, trigger packs and housings.
    Now: $112.49
    Was: $124.99
    Out Of Stock
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $112.49
    Was: $124.99
    Subtotal:
    Out Of Stock
  • On Sale
    New - H&K Burst Roller Type Trip Lever - Latest Style - HKP-01846 HK Burst Roller Type Trip Lever - Latest Style
    Add to Cart

    HK Burst Roller Type Trip Lever - Latest Style

    H&K Heckler & Koch

    Now: $89.95
    Was: $99.95
    H&K Burst Roller Type Trip Lever - Latest Style Compatible With: 0,1,3,F 0,1,2,F 0,1,3 0,1,2
    Now: $89.95
    Was: $99.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $89.95
    Was: $99.95
    Subtotal:
    Add to Cart
  • Total: items /

Adding your products to cart

View Cart Continue Shopping