From the 2014 SHOT Show, an overview of the HK MR556A1 Competition Rifle.
HK MR556A1 Competition Rifle Specs:
- Caliber: 5.56x45mm
- Principle of Operation: gas operated
- Length, maximum (stock extended): 37.00 in.
- Length, minimum (stock retracted): 33.75 in.
- Overall Width: 3.07 in.
- Height: 9.45 in.
- Barrel Length: 16.5 in.
- Rifle (with empty magazine): 8.81 lb.
- Magazine (empty 30 round HK polymer): .32 lb
- Magazine Capacity: 30 rounds
- Trigger Pull: 7.64 lb
- Barrel Profile: 6 lands & grooves, right twist, 1 in 7 in
- Sight Radius: 14.81 in.
- Sights: none supplied