11-01-2011, 08:57 PM
smokey27 Wrote:If you dont have grendel mags what are the best 556 mags to use, even with just 3-4 rounds in them I heard they will work? I have aluminum 20 and 30 rounders, steel 20 and 30s, and even some thermold 20 and 30s.Have you tried loading 6.5 rounds in your 5.56 mags and cycled them by hand in the rifle to see if they'll feed?
I ask cause I got the gun built and have ammo, but the mags are on order, and I would like to sight it in and function test (albiet with 556 mags), without having to shoot it like a single shot.

), without having to shoot it like a single shot.