HK91 / G3 / HK51 Receivers / Uppers

HK91 / G3 / HK51 Receivers / Uppers

Upgrade the core of your HK G3/91 or PTR 91. Choose from genuine HK receivers, high-quality US-made options, and custom receivers for specialized builds.

 

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • Flat Bending Jig Set For All HK Style Flats - RENTAL HKP HK Parts HKP-19595-RENTAL HK Receiver Flat Bending Set Jig - RENTAL
    Choose Options

    HK Receiver Flat Bending Set Jig - RENTAL

    HKP HK Parts

    $99.95
    Flat Bending Jig Set For All HK Style Receiver Flats - RENTAL Receiver flat bending jig RENTAL for all HK receiver flats.  Our rental jigs are crafted in the US from billeted steel and include the latest revisions with proper dowel spacing for the...
    HKP-19595-RENTAL
    $99.95
    Choose Options
    Qty in Cart: 0
    Quantity:
    Price:
    $99.95
    Subtotal:
  • Used - H&K G3 Complete Parkerized Rear Receiver Section w/ Rear Sight - SURPLUS - HKP-22164 HK G3 Rear Receiver Section with Rear Sight - Complete - Parkerized - SURPLUS
    Add to Cart

    HK G3 Rear Receiver Section with Rear Sight - Complete - Parkerized - SURPLUS

    H&K Heckler & Koch

    $54.95
    H&K G3 Complete Parkerized Rear Receiver Section w/ Rear Sight - SURPLUS UNIT QUALITY MAY VARY - SEE PHOTOS FOR EXAMPLE OF CONDITION RANGE Genuine H&K parkerized steel rear receiver section with fully installed G3 rear sight assembly, two stock...
    HKP-22164
    $54.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $54.95
    Subtotal:
  • HK German Bayonet Adapter With Hardware HK German Bayonet Adapter With Hardware
    Add to Cart

    HK German Bayonet Adapter With Hardware

    H&K Heckler & Koch

    $159.95
    H&K German Bayonet Adapter With Hardware HK German Bayonet Adapter W/ Hardware made under a Turkish contract. The HK bayonet adapter replaces the cocking tube end cap (dust cap). Then the bayonet slides into the spring-loaded mechanism in the...
    HKP-00021
    $159.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $159.95
    Subtotal:
  • On Sale
    HK MP5, G3, PTR, HK93 Push Button for Magazine Catch H&K Heckler & Koch HKP-22325 HK MP5, G3, PTR, HK93 Push Button for Magazine Catch H&K Heckler & Koch HKP-22325
    Add to Cart

    HK MP5, G3, HK93 Magazine Catch Push Button- Used

    H&K Heckler & Koch

    Now: $4.95
    Was: $8.95
    H&K MP5, G3, PTR, HK93 Push Button for Magazine Catch - Used   Factory original HK push button replacement part. Limited quantity available.   This is a used part, sold AS-IS, and is not eligible for return.  Compatible...
    HKP-99316
    Now: $4.95
    Was: $8.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $4.95
    Was: $8.95
    Subtotal:
  • HK91, G3 Magazine Release Set, Complete - USED HK91, G3 Magazine Release Set, Complete - USED
    Add to Cart

    HK91, G3 Magazine Release Set, Complete - USED

    H&K Heckler & Koch

    $24.95
    Heckler and Koch Magazine Release Set (Left to Right) for HK91 and G3 This HK German manufactured, used magazine release set for HK .308 pattern rifles consists of 6 pieces. Complete left-to-right mag catch assembly with both push-button and paddle...
    HKP-22466
    $24.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $24.95
    Subtotal:
  • HK91, G3 Trunnion - New Old Stock HK91, G3 Trunnion - New Old Stock
    Add to Cart

    HK91, G3 Trunnion - New Old Stock

    H&K Heckler & Koch

    $79.95
    Heckler and Koch Trunnion for HK91, G3 - New Old Stock Original Heckler and Koch trunnion for HK91 and G3 rifles. This is a new old stock, original-production component from older HK manufacturing runs and has not been previously installed. Ideal for...
    HKP-99363
    $79.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $79.95
    Subtotal:
  • Used - H&K HK G3 Early Style Backplate with Recoil Rod - Used - HKP-19556 HK G3 Early Style Backplate with Recoil Rod - Used
    Add to Cart

    HK G3 Early Style Backplate with Recoil Rod - Used

    H&K Heckler & Koch

    $24.95
    G3 - Early Production CETME, G3 HK91 Backplate - Used  
    HKP-19556
    $24.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $24.95
    Subtotal:
  • HK G3 Complete Parkerized Rear Receiver Section - SURPLUS FMP HK CONTRACT HKP-22375 HK G3 Complete Parkerized Rear Receiver Section - SURPLUS FMP HK CONTRACT HKP-22375
    Add to Cart

    HK FMP G3 Rear Receiver Section - SURPLUS

    FMP HK CONTRACT

    $24.95
    H&K G3 Complete Parkerized Rear Receiver Section without Rear Sight - SURPLUS UNIT CONDITION WILL VARY  Steel rear receiver section manufactured by FMP on HK tooling. Does not include the rear sight.  Compatible with: HK G3, HK91 In-spec...
    HKP-22375
    $24.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $24.95
    Subtotal:
  • HK91, G3, HK33, HK93 Bayonet Adapter Replacement Kit - Turkish Contract HK91, G3, HK33, HK93 Bayonet Adapter Replacement Kit - Turkish Contract
    Add to Cart

    HK91, G3, HK33, HK93 Bayonet Adapter Replacement Kit - Turkish Contract

    Other

    $14.95
    Turkish Contract Bayonet Adapter Replacement Kit for HK91, HK G3, HK33, HK93 Turkish contract replacement hardware kit for early-style bayonet adapters. Intended for use with pre-ban pattern adapters on compatible HK roller-delayed rifle platforms...
    HKP-22518
    $14.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $14.95
    Subtotal:
  • HK91, G3, HK33, HK53, HK93 Paddle Magazine Release - Anti-Rattle HK91, G3, HK33, HK53, HK93 Paddle Magazine Release - Anti-Rattle
    Add to Cart

    HK91, G3, HK33, HK53, HK93 Paddle Magazine Release - Anti-Rattle

    MKE

    $32.95
    MKE Anti Rattle Paddle Magazine Release for HK91, HK G3s and HK33, HK53, HK93 Upgrade your rifle with MKE's anti-rattle style paddle mag release. Compatible With: HK91, G3 HK33, HK53, HK93 PSG1, MSG90 In-spec clones and custom builds
    HKP-99348
    $32.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $32.95
    Subtotal:
  • Used - HK G3 - FMP Early Type Demilled Front End - HKP-20845 HK G3 - FMP Early Type Demilled Front End
    Add to Cart

    HK G3 - FMP Early Type Demilled Front End

    FMP HK CONTRACT

    $99.95
    HK G3 - FMP Early Type Demilled Front End Early style G3 front end with no hanger. These are the perfect option for those doing custom builds. Good condition over all. Includes: Cocking tube Complete cocking handle assembly Trunnion Barrel pin
    HKP-20845
    $99.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $99.95
    Subtotal:
  • Out Of Stock
    New - MM HK PSG1/MSG90/91/G3 (7.62x51/.308) T-Rail Reinforcement Set For Receiver - HKP-00236

    HK91, G3, PSG1, MSG90 T-Rail Reinforcement Set for Receiver

    Michaels Machines

    $299.95
    HK Receiver Reinforcement T-Rail Set For Left and Right Sides T-rails are used to strengthen HK receivers or for custom builds. These are the finest T-rails available on the market. Made from enhanced steel and perfect for that custom HK project...
    HKP-00236
    $299.95
    Out Of Stock
    Qty in Cart: 0
    Quantity:
    Price:
    $299.95
    Subtotal:
  • Total: items /

Adding your products to cart