Bolt Action Rifles by Frank DeHaas It not only has the various action screws, but also the barrel shank dimensions. There are a few editions, but any will work for the older guns and milsurps. Mine is at home.

Home now:
1/4 - 26 Lee Enfield
1/4 - 25 US Springfield, US Krag
1/4 - 30 US M1917, P-14, Rem 30
1/4 - 32 Win 70, 54
1/4 - 27 Greek Mannlicher Schoener
1/4 - 22 93,94,95,96,98 mauser, FN
1/4 - 28 Savage, Rem 700,788 etc, Ruger 77
Some of these have smaller screws as well.

Last edited by sbrmike; 03/12/13.

PA Bear Hunter, NRA Benefactor Member