Heckler & Koch MR223A3 Complete Upper Receiver | 11" Barrel

Heckler & Koch
SKU:
HK-MR223A3-10-CK
$3,000.00
(1 review)
Current Stock:

FINAL CLEARANCE SALE, NO MORE IMPORTS ANTICIPATED, WHEN SOLD NO MORE UPPERS WILL BE IMPORTED

German factory original Heckler & Koch MR223A3 complete upper receiver assembly, the civilian variant of the HK416A5.

Unlike the US made MR556 series, the MR223 is the true civilian legal HK416A5 offering, German made Heckler & Koch.

Package Contents:

  • Heckler & Koch MR223A3 11" Barreled Complete Upper Assembly
  • Complete Bolt Carrier Assembly
  • Charging Handle
  • Front & Rear Sights

Performance specifications:
High-class down to the smallest detail

  • Firing pin safety (drop test as per NATO AC225/D14)
  • Capable of withstanding barrel obstructions as per NATO AC225/D14 (steel core, soft core and tracer ammunition)
  • The weapon can be set to safety in any loading state.
  • Extended barrel nut for a snug-fitting and stable receiver connection of the handguard without play
  • NATO STANAG 4694 rail for mounting sights and sighting accessories
  • M-LOK or HKey QD handguard option
  • Day and night operation (image intensifier/thermal imaging)
  • HK precision barrel made of cold hammer-forged and hard chrome-plated special steel
Technical specifications:
Caliber: 5.56mm NATO / .223 Rem.
Operating principle: Semi-automatic
Bolt system: Locked rotating bolt head
Feed mechanism: Magazine
Cartridge case ejection: Right
Trigger pull: 25 N
Muzzle velocity: 890 m/s
Muzzle energy: 1580 J
Barrel profile/Twist: Groove/land profile, 6 grooves, right-hand twist, 178 mm / C.I.P.
Sights: Mechanical dioptre sight
Included Magazine Capacity: 10 rounds
 
Full Firearm Dimensions:
Length, min.: 711 mm
Length, max.: 807 mm
Width: 74 mm
Height: 191 mm
Barrel length: 11" (279.4 mm)
Buttstock adjustment travel: 96 mm

Reviews

  • 5
    H&K MR223A3 upper

    Posted by BH on 25th Feb 2025

    Great upper, example of excellent German engineering!