/ Back Browning BBR Rifle, Bolt Assembly, .308 Winchester, 7mm-08 Remington, 257 Roberts   Quantity in Basket: none Code: B3578083 Price:$175.00       Quantity:   Description: Browning BBR Rifle Bolt Assembly. Browning Factory Original BBR Rifle Replacement Bolt Assembly. Requires installation by a qualified and properly trained gunsmith. Manufacturer: Browning Code - 3578083 Caliber - .308 Winchester, 7mm-08 Remington, 257 Roberts Note: It is recommended that all Browning parts be installed by a qualified and trained gunsmith.