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HK MR556-A1 5.56x45mm Rifle. A semi-automatic rifle from Heckler & Koch using a gas piston system with a free-floating four-quadrant rail. Features a precision two-stage trigger, extended charging handle, and a telescoping stock. Includes one 30-round magazine, Troy Industries folding battle sights, HK multi-tool, tactical range bag, cable lock, and owner's manual. Specifications: Manufacturer HK; Model MR556A1; Caliber 5.56x45mm; Barrel Length 16.5"; Overall Length 33.9-37.68"; Trigger Pull 7.64 lbs; Barrel Profile 6 Lands & Grooves; 1:7" RH; Sight Radius 14.6"; Width 3.07"; Height 9.45"; Sights Troy Folding Battle Sights.
Specifications
- Manufacturer:
- Hk
- Category:
- lower-receiver
- Caliber:
- 5.56x45mm NATO
- Platforms:
- AR-15
- Length:
- 33.9" - 37.7"
- MPN:
- MR556-A1
- Required Component:
- Yes
- Complete Firearm:
- Yes
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