Cooper Arms Model 52 Classic in 25-06 Remington. The 25-06 Remington is a 30-06 Springfield case necked to .257 caliber, producing one of the flattest-shooting and most versatile hunting cartridges in the standard-length class. Cooper's Model 52 pairs well with the 25-06's long ogive bullets, and the Classic-grade configuration produces a hunting rifle that excels from antelope country to mule deer ridges. Type: Rifle Action: Bolt-Action Caliber: 25-06 Remington Capacity: 1 Year introduced: 1991, USA Weight: 62 oz Overall length: 43.5" Status: Active Intended use: hunting