From a 12/1956 GUNS Magazine, Flaig's adv:

BARRELS
BOEHLER BARRELS, proof steel, semi-octagon, ribbed,
matted entire length. Mode by FRANZ SODIA of
Ferlach Austria in .35 .270 7mm .30 8mm and
.375. 26" Highly accurate-in the white, $45.00.
(Fitted to your action, with sheard bead, complete
price $60.00)
New Springfield 4-groove barrels.. ........... $13.00
FRANZ SODIA Boehler proof steel barrels 24"
gradual taper. About 2 1/2 Ibs.; highly accurate 1-10
twist, caliber 25, .270, 7mm or .30 $30.00.
(Fitted to your action, headspaced and
test fired, $10.00 more).


http://gunsmagazine.com/1956issues/G1256.pdf

Fun read if nothing else...I find the ads interesting.
Maybe I'll order out one of the Boys A/T rifles for $79.95