11-16-2021, 03:28 AM
I accidentally brought some 5.56 ten round mags to the range once when I was intending to test some 6.5 Grendel hand loads. At first I thought I was screwed and would have to drive 45 minutes back home having wasted my time. Turns out 5 Grendel rounds would fit just fine in the ten round mags.

