A standard-capacity 30-round magazine keeps your AR-15 fed, but there’s basically two conditions of which we can be aware: Full and Empty. Both are easy, binary conditions: Either the magazine has so much ammo you can’t get any more, or there’s none to be found. Color-coded counters give a visual indication of how many rounds remain in the magazine.
When in use, though, there are myriad reasons why you might want a handy gauge between those two extremes. Whether you’re battling a friend picking off orange clays at the 100 yard berm, taking a carbine class or in the middle of the …read more