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
  • New - H&K A3 Parkerized Stock Protective Cover - HKP-20649 HK A3 Buttstock Protective Cover - Parkerized
    Add to Cart

    HK A3 Buttstock Protective Cover - Parkerized

    H&K Heckler & Koch

    $19.95
    H&K A3 Parkerized Stock Protective Cover The perfect replacement part for all HK G3, HK33, and MP5 collapsible stocks issued with steel covers. Complete with locking spring clips welded in place. 
    HKP-20649
    $19.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $19.95
    Subtotal:
  • Out Of Stock
    New - Kinetic Development Group Sidelok Modular Optic Mount - 30mm - HKP-19062 Sidelok Optic Mount - 30mm - Modular

    Sidelok Optic Mount - 30mm - Modular

    KDG Kinetic Development Group

    $224.95
    Kinetic Development Group Sidelok Modular Optic Mount - 30mm The new KDG Modular Optic Mount is based off the proven Sidelok family of quick detach optic mounts and features the same user-friendly, tool-free design. KDG set out to design a Sidelok mount...
    HKP-19062
    $224.95
    Out Of Stock
    Qty in Cart: 0
    Quantity:
    Price:
    $224.95
    Subtotal:
  • On Sale
    New - H&K 4 Position Burst To 0,1 Only - Conversion Selector Lever Set - HKP-17996 HK MP5 Selector Lever Conversion Set - 4 Position Burst To 0,1
    Add to Cart

    HK MP5 Selector Lever Conversion Set - 4 Position Burst To 0,1

    H&K Heckler & Koch

    Now: $129.95
    Was: $179.95
    HK 4 Position Burst To Semi ONLY Conversion Selector Lever Set - German HK The German HK selector lever set will allow the use to convert the following: 0,1,3,F Trigger packs 0,1,2,F Trigger packs To safe, semi only as far as the way the selector...
    HKP-17996
    Now: $129.95
    Was: $179.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $129.95
    Was: $179.95
    Subtotal:
  • Used - HK G3 Incomplete Backplate - Painted - HKP-21541 HK G3 Incomplete Backplate - Painted
    Add to Cart

    HK G3 Incomplete Backplate - Painted

    H&K Heckler & Koch

    $29.95
    HK G3 Incomplete Backplate -  Factory German G3 refinished backplate. A great replacement or spare to have around to replace your broken or worn out backplates.  Please note you will need two rivets, nylon ring, recoil spring in order to...
    HKP-21541
    $29.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $29.95
    Subtotal:
  • New - Blitzkrieg PTR Flat Tip Front Sight Gen 2 - Orange - HKP-21103 PTR Flat Tip Front Sight - Gen 2 - Orange
    Add to Cart

    PTR Flat Tip Front Sight - Gen 2 - Orange

    Blitzkrieg Components

    $84.95
    Blitzkrieg PTR Flat Tip Front Sight Gen 2 - Orange The Blitzkrieg Gen 2 HK-style front sight delivers a fast and precise aiming point with its conventional flat-tipped post and bright orange stripe. Designed for easy installation, it utilizes a roll pin...
    HKP-21103
    $84.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $84.95
    Subtotal:
  • New - HKP Single Point Leather Sling - OD Green - HKP-20163 HK Single Point Leather Sling - OD Green
    Add to Cart

    HK Single Point Leather Sling - OD Green

    HKP HK Parts

    $49.95
    Single Point Leather Sling - OD Green Our leather sling utilizes two HK style sling hooks to attach to a single mounting point. Designed to replicate the original, out of production, German HK offering. Each sling is handcrafted in the US by a German...
    HKP-20163
    $49.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $49.95
    Subtotal:
  • Used - H&K German Leather Sling - Well Used with No Loop - HKP-20583 HK G3 Leather Sling - Well Used with No Loop
    Add to Cart

    HK G3 Leather Sling - Well Used with No Loop

    H&K Heckler & Koch

    $39.80
    Original Surplus German HK Leather - Well Used with No Loop Pulled from German military G3 rifles. Last of the remaining units, get them before they are gone. Compatible With: HK91, G3 PTR91, CETMEHK93 HK33, HK53 HK94 MP5 HK clones Other custom...
    HKP-20583
    $39.80
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $39.80
    Subtotal:
  • New - HKP HK 91/G3 (7.62x51/.308) Key Mod Handguard - HKP-17178 HK91, G3 Key Mod Handguard
    Add to Cart

    HK91, G3 Key Mod Handguard

    HKP HK Parts

    $149.95
    HK G3, HK91 & PTR Low Profile Key Mod Forearm The KeyMod tactical hand guard easily installs on your firearm with minimal effort and locks up solid. No fitting required. Designed from the ground up by roller lock & HK enthusiasts with your...
    HKP-17178
    $149.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $149.95
    Subtotal:
  • On Sale
    New - HK MP5 8" Cocking Tube Extrusion - Gunsmith Special - HKP-99061
    Add to Cart

    HK MP5 Cocking Tube - Extrusion - 8" - Gunsmith Special

    USA

    Now: $19.95
    Was: $54.95
    HK MP5 8" Cocking Tube Extrusion - Gunsmith Special  This 8" 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...
    HKP-99061
    Now: $19.95
    Was: $54.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $19.95
    Was: $54.95
    Subtotal:
  • New - HKP PTR HK91 / PTR-91 Bolt Head Complete - HKP-20140 HK91, PTR-91 Bolt Head Complete
    Add to Cart

    HK91, PTR-91 Bolt Head Complete

    PTR

    $179.95
    HKP PTR HK91 / PTR-91 Bolt Head Complete New PTR bolt head complete with extractor, extractor spring, roller retainer plate, pair of 8mm rollers. Ready to drop in to replace your worn out bolt head. Bolt head counts as 1 US made compliance part for the...
    HKP-20140
    $179.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $179.95
    Subtotal:
  • Out Of Stock
    Used - H&K 91/G3 (7.62x51/.308) Slimline Forearm - Black - Used Excellent Condition - HKP-18317 HK91, G3 Handguard - Slimline Style - Used Excellent Condition

    HK91, G3 Handguard - Slimline Style - Used Excellent Condition

    H&K Heckler & Koch

    $0.00
    Used Authentic German Military Surplus G3 Black Slim Line Forearm With Heat Shield Used in excellent shape. For the money, these are a nice addition to the collection. Each item will fit all full forearm length HK 91, G3, PTR style firearms. Used...
    HKP-18317
    $0.00
    Out Of Stock
    Qty in Cart: 0
    Quantity:
    Price:
    $0.00
    Subtotal:
  • On Sale
    HK Handguard Sling Pin - Ambi - Small - USED HK Handguard Sling Pin - Ambi - Small - USED
    Add to Cart

    HK Handguard Sling Pin - Ambi - Small - USED

    H&K Heckler & Koch

    Now: $42.95
    Was: $61.95
    Heckler and Koch Handguard Sling Pin - Ambi - Small - USED VARYING CONDITION SHOWN - SOLD INDIVIDUALLY USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL USED PART SALES ARE FINAL. This ambidextrous pin will allow the user to attach a...
    HKP-00077-USED
    Now: $42.95
    Was: $61.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $42.95
    Was: $61.95
    Subtotal:
  • Total: items /

Adding your products to cart