Originaly they intended to put bottom loaded magazines in Garands. Somone, in the Pentagon thought it would make troops wast ammo. so they came up with the en bloc clip. and closed bottom It would seem a not to hard project to change a Garrand to a magazine for the .30-06 or 7-62x54 round. they did this very change for the .308 round. Has anyone run across someone that does a conversion or has parts and instructions we could do it ourselves with? I had considered changing it over to the .308 but would really like to keep the .30-06 round.