Thanks for taking the time to make this post! Useful information, just created a new Word document with this as a starting point to make a useful tool when at gun shows, etc.
Schuetzendave wrote on Jan 16
th, 2016 at 9:03pm:
Note: a .408 diameter bullet can be used in a rifle with a .406 to .408 diameter groove-to-groove barrel.
.408 diameter:
.40-60 Maynard (*modern*), .40-70 Peabody, .40-90 Peabody, 450/400 Nitro (3 inch)
.407 diameter:
.401 Winchester Self Loading, 450/400 NE for BP (2 3/8 inch)
.406 diameter:
.40-65 Winchester, .40-72 Winchester, .40-75 Winchester, .40-82 Winchester, 401 Winchester SL
.405 diameter:
.40-70 Remington, .40-70 Winchester, 450/400 Magnum Nitro (3 1/4 inch), 400 Purdy (3 inch)
.404 diameter:
.40-60 Winchester, 10.25x69 R Hunting - Express
.403 diameter:
.40-50 Sharps Necked, .40-50 Sharps Straight, .40-60 Marlin, .40-60 Colt, .40-63 Ballard, .40-65 Ballard Everlasting, .40-70 Ballard, .40-70/75 Bullard, .40-70 Sharps Necked, .40-70 Sharps Straight, .40-85/90 Ballard, .40-90 Sharps Necked, .40-90 Sharps Straight, .40-110 Winchester Express, 10.15mm Jarmann
* .40-60 Maynard started as a .422 diameter (1873) and then went to .416 (18882); modern barrels may have a .408 groove-to-groove diameter but my CPA has a .410 diameter Douglas barrel.