Dating old shotgun shells
The same is true for 12 gauge shot, which equates to a bore diameter of .729 inch.
As far as performance of factory loadings, if I miss a bird, it's probably not the ammo's fault.B 31714 COLONIAL AMMUNITION CO, SHOT SHELL BOX, 12 GAUGE, LONG RANGE, ONE PIECE, 2 3/4", NO. B 50814 PARKER BROTHERS SHOT SHELL BOX, EMPTY, 20 COUNT, PATENT DATES MAY 20, 1866, FEB 19, 1867, SEPT. 5.00 B 51331 PETERS SHOT SHELL BOX, TARGET, PICTURES QUAIL IN FLIGHT. 5.00 B 51086 PETERS SHOT SHELL BOX, REFEREE 28 GAUGE. Get the latest Firefox browser enhanced with Yahoo. The browser version that you are using is no longer supported. Please upgrade your browser now in order to access Yahoo.
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$22.00 B 36637 WINCHESTER, SHOT SHELL BOX, REPEATER PHEASANT, ONE PIECE, 12 GAUGE, 2 5/8" 1 1/8 OZ., N0.