For rifles in 6mm caliber, deadly Hollow Point construction and legendary Sierra accuracy combine to make this bullet an outstanding choice for most varmint hunting. Designed for high velocities, the bullet features a gaping hollow point to ensure positive expansion even at long range. Capable of outstanding accuracy from a wide variety of 6mm rifle cartridges. For handguns, as the Varminter name implies, these are excellent varmint and small game bullets. The Varminter construction lends itself well to the velocities attainable with cartridges such as the 6mm TCU, 6mm PPC and 6mm BR. This Sierra bullet features precision accuracy and are best utilized at short to medium ranges for varmints and small game. The #1510 was introduced in 1956.