Originally Posted by
Simon G
When they first hit the market in 1972, they were designated as a .44cal, using a bore of .443" and a groove of .451". Accuracy was not really what was hoped for using .454 ball, the standard for .44 cal B/P revolvers.
Research then suggested that the best accuracy was obtained using balls of .457" and so, this was ammended in the manuals. However, problems still persisted because of confusion with the .44 designation. This was dropped, stating the calibre was .45, forcing the "old sweats" to ignore general convention and seek projectiles of the recommended size.
A .44 marked specimen will indicate one of very early manufacture. The Ruger Old Army is a .45 calibre, so that's the variation you'll need.
Smurf me up!
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