Underwood Ammo Rifle Ammunition Features The Underwood Ammo Rifle Ammunition .444 Marlin load uses a 220 grain Xtreme Penetrator bullet machined from solid copper a design built to drive deep and straight through heavy muscle and bone without the risk of jacket separation found in traditional cup-and-core bullets. At a muzzle velocity of 2660 feet per second this load generates substantial energy for dropping large tough-skinned game quickly and humanely. The monolithic copper construction retains essentially all of its original weight through impact which means consistent penetration depth shot after shot. Underwood s reputation for pushing conventional cartridges to higher performance levels is evident in this load s aggressive velocity figures for the .444 Marlin chambering. Packaged in a 20-round box this load gives dangerous game and large game hunters enough ammunition to practice and still head afield with a reliable supply. The .444 Marlin cartridge has long been valued by lever action hunters for its stopping power at moderate ranges and Underwood s loading pushes that performance further. Reliable function through lever action rifles chambered in .444 Marlin makes this a practical choice for hunters who need consistency when it counts most. This Underwood .444 Marlin 220 grain copper solid load is available for sale at GrabAGun for hunters seeking maximum penetration on big game. Underwood Ammo Rifle Ammunition Specifications Manufacturer: Underwood Ammo Model: Rifle Ammunition Caliber: .444 Marlin Bullet Type: Copper Solid Bullet Weight: 220 Grains Muzzle Velocity: 2660 fps Rounds Per Box: 20 Available At: GrabAGun