Hardware: Ruger AR-556 MPR .450 Bushmaster
Ruger now chambers its popular AR-556 MPR rifle in .450 Bushmaster, offering hunters all of the benefits and fun of an AR while gaining twice as much umph downrange.
Ruger now chambers its popular AR-556 MPR rifle in .450 Bushmaster, offering hunters all of the benefits and fun of an AR while gaining twice as much umph downrange.