HK416 / MR556 Series

HK416 / MR556 Series

Our extensive collection boasts a wide array of HK MR556 and HK 416 parts, including precision HK MR556 Barrels and durable HK 416 Stocks. Elevate your rifle's functionality with HK 416 Handguards and HK MR556 Triggers, designed for the discerning shooter seeking top-tier performance.

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • On Sale
    New - HK Universal Polymer 3.25" Rail - hkp-18489 Picatinny Rail Segment - 3.25" - Polymer
    Add to Cart

    Picatinny Rail Segment - 3.25" - Polymer

    H&K Heckler & Koch

    Now: $53.95
    Was: $59.95
    HK Universal Polymer Rail With Screws for the G36E, SL8, USC, UMP   HK German manufacture. New universal picatinny rail for forward section or forearm.   Compatible With: G36E SL8 USC UMP All variants Specifications: Length: 3.25"
    hkp-18489
    Now: $53.95
    Was: $59.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $53.95
    Was: $59.95
    Subtotal:
    Add to Cart
  • On Sale
    New - H&K HK MR556/416 Brass Catcher - HKP-18046
    Add to Cart

    HK416, MR556, HK417, MR762 Brass Catcher

    H&K Heckler & Koch

    Now: $536.95
    Was: $595.95
    HK 416, MR556 Brass Catcher The HK factory German brass catcher attaches quickly to firearms featuring a factory spec. Picatinny tri or quad rail.  Designed specifically for HK firearms with factory spec Picatinny quad rail handguards but will also...
    HKP-18046
    Now: $536.95
    Was: $595.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $536.95
    Was: $595.95
    Subtotal:
    Add to Cart
  • On Sale
    HK MR556 Bolt Head, Complete HK MR556 Bolt Head, Complete
    Add to Cart

    HK MR556 Bolt Head, Complete

    H&K Heckler & Koch

    Now: $346.95
    Was: $384.95
    H&K HK MR556 A1 Complete Bolt Head Brand new factory German bolt head with all the components to make the bolt head complete. Compatible With: HK MR556 A1/A4
    HKP-02712
    Now: $346.95
    Was: $384.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $346.95
    Was: $384.95
    Subtotal:
    Add to Cart
  • On Sale
    New - HKP HK MR556/416 DMR KeyMod Extended 15" Handguard - Black - HKP-18020
    Add to Cart

    HK416, MR556 DMR KeyMod Extended 15" Handguard

    HKP HK Parts

    Now: $224.95
    Was: $249.95
    HKP HK MR556/416 DMR KeyMod Extended 15" Handguard
    HKP-18020
    Now: $224.95
    Was: $249.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $224.95
    Was: $249.95
    Subtotal:
    Add to Cart
  • New - H&K HK MR556/MR762/416/417 Stock Release Lever Pin - HKP-16860
    Add to Cart

    HK416, MR556, HK417, MR762 Buttstock Release Lever Pin

    H&K Heckler & Koch

    $6.95
    HK 416  & MR556 E1/E2 & HK 417, MR762 Stock Release Lever Pin Brand new factory German production. A must have spare part that should be replaced each time you remove or install the roll pin. Made in Germany.
    HKP-16860
    $6.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $6.95
    Subtotal:
    Add to Cart
  • Out Of Stock
    New - Ergo KeyMod Hand Stop - HKP-17885

    Ergo KeyMod Handstop

    Ergo

    $51.95
    KeyMod Hand Stop/Barricade Stop in Black Aggressive textured front for enhanced traction on barricades and obstacles Features: Low profile base also functions as a comfortable hand stop Black anodized 6061-T6 aluminum Compatible With: All KeyMod style...
    HKP-17885
    $51.95
    Out Of Stock
    Qty in Cart: 0
    Quantity:
    Price:
    $51.95
    Subtotal:
    Out Of Stock
  • On Sale
    HK416, MR556 Handguard - A4 Style - 10" - USED HK416, MR556 Handguard - A4 Style - 10" - USED
    Add to Cart

    HK416, MR556 Handguard - A4 Style - 10" - USED

    H&K Heckler & Koch

    Now: $379.95
    Was: $479.95
    H&K HK416, MR556 A4 10" Quick Disconnect Handguard Factory HK A4 handguard featuring HK's A4 quick disconnect latch.  Compatible with A1 and A4 rifles. THESE HANDGUARDS ARE SLIGHTLY USED AND WILL HAVE COSMETIC BLEMISHES.  PLEASE REFER TO...
    HKP-22426-USED
    Now: $379.95
    Was: $479.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $379.95
    Was: $479.95
    Subtotal:
    Add to Cart
  • On Sale
    HK416, MR556 Bayonet Adapter - M27 Style HK416, MR556 Bayonet Adapter - M27 Style
    Add to Cart

    HK416, MR556 Bayonet Adapter - M27 Style

    H&K Heckler & Koch

    Now: $62.95
    Was: $69.95
    Heckler and Koch Bayonet Adapter HK416, MR556 for M27 Build OEM bayonet adapter for HK416 and MR556 rifles for M27-style builds. Mounts to the barrel assembly to accept a standard bayonet. Specifications Bayonet adapter only (roll pin sold...
    HKP-22191
    Now: $62.95
    Was: $69.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $62.95
    Was: $69.95
    Subtotal:
    Add to Cart
  • Out Of Stock
    New - H&K 417/MR762/G28 Complete Buffer Tube - HKP-21872 HK416, MR556 Buffer Tube

    HK416, MR556 Buffer Tube

    H&K Heckler & Koch

    $176.95
    H&K HK416, MR556 Complete Receiver Extension/Buffer Tube Genuine German complete receiver extension for the HK416 5.56/.223 platforms. Compatible With: HK416 MR556 ***Packaging may say "G26".  This was a typo by HK.
    HKP-21872
    $176.95
    Out Of Stock
    Qty in Cart: 0
    Quantity:
    Price:
    $176.95
    Subtotal:
    Out Of Stock
  • On Sale
    New - Nefarious Arms HK MR556/416 11" A5 Barrel - HKP-21839 HK416 A5, MR556 A4 Barrel - 5.56 - 11" - Threaded 1/2"x28 - A5
    Add to Cart

    HK416 A5, MR556 A4 Barrel - 5.56 - 11" - Threaded 1/2"x28 - A5

    Nefarious Arms

    Now: $535.95
    Was: $594.95
    Nefarious Arms HK MR556/HK416 11" A5 Barrel ***THE BARREL EXTENSION RIM IS MARKED "HAUS" DUE TO AN ERROR BY THE BARREL EXTENSION SUPPLIER.  THE MARKING IS NOT VISIBLE ONCE INSTALLED.  THESE BARRELS ARE GENUINE NEFARIOUS BARRELS AS NEFARIOUS...
    HKP-21839
    Now: $535.95
    Was: $594.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $535.95
    Was: $594.95
    Subtotal:
    Add to Cart
  • On Sale
    HK G36C, SL8 Flash Hider - 4 Prong - Threaded 15x1 RH HK G36C, SL8 Flash Hider - 4 Prong - Threaded 15x1 RH
    Add to Cart

    HK G36C, SL8 Flash Hider - 4 Prong - Threaded 15x1 RH

    GSG9

    Now: $73.95
    Was: $86.95
    GSG9 4 Prong Flash Hider - 15x1 RH Finest quality 4-prong flash hider that is threaded 15x1 right-hand twist (factory HK thread pitch). Perfect for the SL8, G36C, or other type of HK conversion. It also counts as one US-made part for 922R compliance...
    HKP-00631
    Now: $73.95
    Was: $86.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $73.95
    Was: $86.95
    Subtotal:
    Add to Cart
  • On Sale
    New - B&T HK416, HK MR223 M-LOK Handguard (11") with Overgrip - Black - HKP-20403 HK416, MR556 M-LOK Handguard with Overgrip - 11"
    Add to Cart

    HK416, MR556 M-LOK Handguard with Overgrip - 11"

    B&T Brugger & Thomet

    Now: $249.95
    Was: $365.00
    B&T M-LOK Handguard OG for HK416/MR556 (11") with "Overgrip" Free-cut Top Rail B&T's one-piece 11-inch M-LOK handguard for the Heckler & Koch HK416 and civilian equivalent MR556 is an amazing improvement for the combat value of these rifles...
    HKP-20403
    Now: $249.95
    Was: $365.00
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $249.95
    Was: $365.00
    Subtotal:
    Add to Cart
  • Total: items /

Adding your products to cart

View Cart Continue Shopping