As to get a M1A in 30-06, I do not Believe There's been 1 created just before. Even so, the M1 Garand went by means of some experimentation after WWII (and I think even a bit in the course of the war) so as to add a detachable mag, which https://rowanydawq.blogsidea.com/23061196/federal-30-06-for-m1-garand-near-me-for-sale-for-dummies