Gray Matter Interactive Studios, Inc. was acquired by Activision in June 2002.
The Bushmaster BA50 is a bolt action , magazine fed rifle designed to shoot the .50 BMG cartridge .. Bushmaster. Bushmaster Firearms International. magazine. Magazine ( firearms ). bolt action. bolt action. rifle. rifle. It has a 22 -LRB- carbine -RRB- or 30 inch , match grade Lothar Walther free-floating barrel with a 1 in 15 inch twist rate -LRB- standard for the .50 BMG cartridge -RRB- .. free-floating barrel. free-floating barrel. twist rate. twist rate. match grade. match grade. The rifle weighs 30 pounds -LRB- without a magazine or ammunition -RRB- and has a muzzle brake to help tame the recoil .. magazine. Magazine ( firearms ). rifle. rifle. ammunition. ammunition. muzzle brake. muzzle brake. Bushmaster literature says that the rifle recoils like a .243 Winchester .. Bushmaster. Bushmaster Firearms International. rifle. rifle. The barrel has a MIL-STD-1913 rail -LRB- Weaver style -RRB- for mounting a rifle scope .. rifle. rifle. MIL-STD-1913. MIL-STD-1913. rifle scope. rifle scope. The BA50 was the original design of Cobb Manufacturing .. Cobb Manufacturing. Cobb Manufacturing. Bushmaster purchased the design and upgraded it and released it as the Bushmaster BA50 .. Bushmaster. Bushmaster Firearms International. Bushmaster states that the rifle is capable of shooting 1 MOA with M33 ball ammunition , indicating that accuracy can be improved with match grade ammunition .. Bushmaster. Bushmaster Firearms International. rifle. rifle. ammunition. ammunition. ball ammunition. ball ammunition. match grade. match grade