Jonathan Spencer (email@example.com), copyright © December 2001
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NOTE: English lead shot is presumed throughout this document unless stated otherwise. There is a mix of Imperial and SI units, so you need to pay attention. The Imperial diameters in Table 1 are from The Shot Gun by TDS and JA Purdey; all other values in Table 1 were calculated by the author (me). The mass and shot counts are based on pure lead shot whereas most shot is lead alloyed with other metals which means that either:
Normal manufacturing tolerances mean that what is marked as Number 6 shot may, in fact, be Number 5½ shot. Many of the shot sizes given in Table 1 are not presently commercially loaded in ammunition.
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