Remington Speer Impact, 300 Winchester Magnum, 190 Grain, Polymer Tip, 20 Round Box R21346 Exclusively from Remington, Speer's groundbreaking Impact bullet is now available for the first time in loaded ammunition. Tough bonded construction penetrates deep on closer targets, while the patented Slipstream tip initiates expansion at velocities 200 fps lower than standard polymer tips. The projectile's sleek construction and tightly-tapered hybrid ogive combined with its boat-tail ensures a high ballistic coefficient and all the advantages of match-grade accuracy