Picatinny Base for Winchester Model 70

For .860" (rear hole spacing) standard and short mag hole spacing between receiver holes 2 and 3 (the closest holes on either side of the ejection port ... Long 3.8" PLx252702, ..... Short 3.5" PSx252702, ....... Short (Pre-2009) 3.25" P0x252702 Rear Hole Spacing .860" (Short action) 308 win length actions / (Long action) 30-06 Spgf length actions / Rear Hole Spacing .330" (Magnum action) 375 H&H length actions and other African Magnum Length Actions Comes with four 6-48 mounting screws and torx head L wrench... can be drilled out and supplied with 8-40 mounting screws on request. I realize this can be confusing so email me at scoperings@gmail.com if you need help sorting this out