HK MR223 A3 .223 Rem Semi-Auto Rifle, 16.5 in Cold-Hammer-Forged Hard-Chrome-Plated Barrel, Short-Stroke Piston, German-Made, Flip-Up Diopter Sights
This German-made HK MR223 A3 stands out for its proven short-stroke gas piston system, premium 16.5 in cold-hammer-forged, hard-chrome-plated, free-floating barrel, and A3 ambidextrous control layout. It features a Slim Line HKey free-float handguard with a continuous top Picatinny rail marked with white position numbers, HK flip-up diopter sights, and a threaded muzzle with a four-prong flash suppressor. CIP proof, matching serials on the upper and lower, and HK factory markings provide clear provenance.
Condition
Overall Condition: Excellent condition, showing only faint signs of any prior use or handling.
Bore Overall Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: There are minimal markings from previous handling and use. Please review the photos for close-up views of surfaces and markings.
What's Included
- HK-branded factory hard case
- HK MR223 operator's manual (Bedienungsanleitung Selbstladegewehr MR223)
- Three 30-round Magpul PMAG polymer magazines for 5.56x45
Built in Germany and CIP proofed, this MR223 A3 carries correct factory identifiers including the HK logo, HK MR barrel roll marks, and a DE suffix on the upper serial number. The upper and lower receivers have matching serial numbers, reinforcing its complete, original configuration.
Its operating system is the HK short-stroke gas piston, paired with a gas regulator marked N/S. The A3 configuration provides ambidextrous magazine and bolt controls, with an ambidextrous magazine release for straightforward handling from either side.
The 16.5 in barrel is cold-hammer-forged, hard-chrome-plated, and free-floating, with a threaded muzzle wearing a four-prong flash suppressor. The bolt carrier is marked "HK MR," consistent with the rifle's factory markings and features.
The Slim Line free-float HKey handguard integrates a continuous top Picatinny rail with white position numbers for accessory placement, and the rifle comes with HK flip-up front and diopter rear sights. Furniture includes a slimline collapsible, adjustable polymer stock and an HK polymer pistol grip with textured panels, all on an aluminum-alloy receiver. Capacity is 30+1 in .223 Rem.