Removing metal always makes the barrels thinner in the chamber area. In what world is that a better option than shooting low pressure loads? Worse when you measure the chambers and find 2 3/4” shells fit but fail to consider your gun was meant to shoot 7-8,000 psi ammo and you drop 10-11,000psi in it. Shoot what it was designed to handle instead of what just fits and is convenient.