Do all of you reloading .223 apply a crimp? (Sounds like it) I've only reloaded rifle for a few months (and have only been reloading pistol for almost a year) but have been using the Lee FCD to put at least a light crimp on my rifle rounds.
I just bought a .223 AR and am waiting on my reloading stuff for it to arrive. One old-timer at the range told me he never crimps his rifle cartridges, not even his .223. Is there enough "umph" holding a seated but uncrimped bullet in place if you're shooting say an AR with 20 or 30 round mags?
I like the idea of not crimping and thus perhaps getting more uses out of each brass casing, but it seems uncomfortably weird not to crimp especially when the bullets have a cannulure. I've had trouble with too lightly-crimped .357 revolver rounds before when the recoil would cause the last bullet to back out of the casing in the last one or two in the cylinder, locking up the pistol. Is the bullet backing out of an uncrimped rifle case an issue in the same way?