Heckler and Koch MR556 A4 Gray 5.56 / .223 Rem 16.5 Barrel 10-Rounds

Heckler and Koch MR556 A4 Features The Heckler and Koch MR556 A4 .223 Rem 5.56 NATO rifle utilizes a short stroke gas piston system derived from the HK416 platform to enhance reliability and reduce fouling in demanding conditions. This Gray Cerakote HK MR556 A4 piston rifle features a fully ambidextrous lower receiver with an ambidextrous safety lever for intuitive manipulation from either side. An M-LOK handguard provides modular accessory mounting while HK416 slimline furniture maintains a streamlined profile. The 16.5 threaded barrel with 1/2x28 thread pattern supports muzzle device compatibility and the collapsible folding stock allows adjustable length of pull. No sights are included allowing users to configure optics to their preference. Heckler and Koch MR556 A4 Specifications Manufacturer: Heckler and Koch Model: MR556 A4 Type: Rifle Action: Semi-Auto Caliber: .223 Rem 5.56 NATO Capacity: 10+1 Barrel Length: 16.5 Twist Rate: 1-in-7 Thread Pattern: 1/2x28 Barrel Feature: Threaded Operating System: Short Stroke Gas Piston Upper Receiver: HK416 Pattern Handguard: M-LOK Stock: Collapsible Folding Furniture: HK416 Slimline Overall Length: 33.25 to 36.5 Weight: 7.67 lbs Finish: Gray Cerakote Safety: Ambidextrous Safety Lever Lower Receiver: Fully Ambidextrous Sights: None Magazines Included: 1 Shipping Weight: 14.3 lbs