Originally Posted by
SPQR476
Yes you can usually force 31 in. Not intended to be used that way, though. It does force some deflection of the left feed lip to do so, and depending on ammunition spec, it may be harder or easier to get it in there, but we found that leaving less room gave us some inconsistencies in seating force in some guns with some ammo. "Top round right" is the ditty to keep it straight. It doesn't hurt the mag if you accidentally do it, and the feed lip goes back to exactly where it should be, but it requires a lot of force to strip that round and of course closed bolt seating with 31 is a no go.
Bookmarks