Nosler Partition Bullets 270 Caliber (277 Diameter) 140 Grain Spitzer (50pk) Type_505 These bullets were designed to

These bullets were designed to be fired at velocities up to 4000 fps

These Sierra projectiles are custom designed by AAC for optimal supersonic performance in the 300 AAC Blackout(7

Each ring is precision CNC machined from sintered steel technology

Lightweight

Nosler Partition Bullets 270 Caliber (277 Diameter) 140 Grain Spitzer (50pk) Type_505 These bullets were designed toThe bullet that started the company, Nosler Partition Bullets feature a fully tapered jacket that ruptures instantly at the thin jacket mouth, yet the gradual thickening along the bullet's axis controls expansion and curls the jacket uniformly outward at high or low velocities. Nosler's integral Partition supports the expanded mushroom and retains the rear lead alloy core. The enclosed rear core retains more than half the original bullet weight for