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The BOSS (Ballistic Optimizing Shooting System) is an accuracy enhancing, anti-vibration and recoil reducing system that includes an adjustable muzzlebrake/weight. Choose from the following factory new steel parts.
WINCHESTER | 70 NEW MODEL MADE IN SOUTH CAROLINA, 70 POST 64
WINCHESTER | 70 POST 64 PUSH FEED, CONTROL ROUND FEED, CONTROL ROUND PUSH FEED