Sierra Varminter Bullets 30 Caliber (308 Diameter) 135 Grain Hollow Point (500PK)The Sierra 30 caliber 135 Grain Hollow Point Varminter was created specifically for explosive expansion and instant kills on larger varmints and predators. This light weight, thin jacketed hollow point bullet is devastatingly effective, but requires velocities to remain under 3,200 FPS. For 300 Blackout and reduced recoil loads, this new offering adds another excellent hunting bullet option. This is not loaded ammunition. Technical Information