Lyman Neck Expanding Rifle 31L M Die for 7.65mm Arg Mauser/.303 British 7349005 The Lyman Neck Expanding Rifle 31L M Die for 7.65 mm Arg Mauser/.303 British improves accuracy of cast and jacketed bullet reloads. It doesn't stretch cases like standard expander button style dies do. It works in a two-step process; the first step expands the inside of the case neck to just under bullet diameter, the second step expands the case mouth to bullet diameter or slightly over, so that the bullet can be started perfectly centered. Specifications: - Compatibility: 7.65mm Arg Mauser/.303 British
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