Winchester BC Max .308 Wincehster 175 gr Brass Rifle Ammo 20 Round. 308 Wincehster 175 gr Brass Rifle Ammunition online at OpticsPlanet. This Winchester Ammunition features bullets that deliver powerful stopping power pinpoint accuracy and predictability. With premium brass cases . With great promotions on Ammunition and other superior rifle ammo from trusted brands like Winchester you re sure to find the best round for your field or range use. Stock up today to save big on ammo and other top-tier tactical hunting and outdoor gear at OpticsPlanet. Specifications for Winchester BC Max .308 Wincehster 175 gr Brass Rifle Ammunition: Manufacturer: Winchester Caliber: .308 Winchester Number of Rounds: 20 Bullet Weight: 175 grain Cartridge Case Material: Brass Muzzle Velocity: 2620 ft/s Shot Size: 7 Package Contents: Winchester BC Max .308 Wincehster 175 gr Brass Rifle Ammunition Winchester S308BC: BC Max .308 Wincehster 175 gr Brass Rifle Ammo 20 Round