cartridge Posted October 21, 2007 Report Share Posted October 21, 2007 US caliber Metric Equivalent Typical Actual Bullet Dia. .17 - 4.4 mm - .172 --------------------------------------------------------------------------------------------------------------------------------------------- .17 - 4.5 mm - .177 lead, .175 BB ---------------------------------------------------------------------------------------------------------------------------------------------- .20, .204 - 5 mm - .204 ---------------------------------------------------------------------------------------------------------------------------------------------- none - 5.45 - .218 ---------------------------------------------------------------------------------------------------------------------------------------------- .22, .220, --- 5.5, 5.56, 5.7 mm .223-.224 .221, .222,.223-- ---------------------------------------------------------------------------------------------------------------------------------------------- .24 - 6 mm -.243 ---------------------------------------------------------------------------------------------------------------------------------------------- .25 - 6.5 mm -.257, 6.527 mm ---------------------------------------------------------------------------------------------------------------------------------------------- .26 - 6.5 mm -.264, 6.7 mm ----------------------------------------------------------------------------------------------------------------------------------------------.27 - 6.8 mm, 7 mm - .277, 7.035 mm ---------------------------------------------------------------------------------------------------------------------------------------------- .28 - 7 mm - .284, 7.213 mm ---------------------------------------------------------------------------------------------------------------------------------------------- .30 - 7.62 mm - .308 ---------------------------------------------------------------------------------------------------------------------------------------------- .30 -7.62 mm - .311 ---------------------------------------------------------------------------------------------------------------------------------------------- .32 - 7.65 mm - .312 ---------------------------------------------------------------------------------------------------------------------------------------------- .325 - 8 mm - .323 ---------------------------------------------------------------------------------------------------------------------------------------------- .38, .357, .35 - 9 mm - .355-.357 ---------------------------------------------------------------------------------------------------------------------------------------------- .38 - 10 mm - .400 ---------------------------------------------------------------------------------------------------------------------------------------------- .40 -10 mm - .400 ---------------------------------------------------------------------------------------------------------------------------------------------- .41 - 10.25 mm - .410 ---------------------------------------------------------------------------------------------------------------------------------------------- .44 -10.8 mm - .429 ---------------------------------------------------------------------------------------------------------------------------------------------- .45 -11.45 mm - .451-.452 ---------------------------------------------------------------------------------------------------------------------------------------------- .45 - 11.6 mm - .458 ---------------------------------------------------------------------------------------------------------------------------------------------- .458, .46 -11.6 mm - .458 ---------------------------------------------------------------------------------------------------------------------------------------------- .475, .480 - 12 mm - .475 ---------------------------------------------------------------------------------------------------------------------------------------------- .50 -12.7 mm - .50 ---------------------------------------------------------------------------------------------------------------------------------------------- Quote Link to comment Share on other sites More sharing options...
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