Hey

I was zeroing a buddies' Wilson AR-10 when it suddenly stopped feeding. I mean every damn shot was getting jammed at the base of the ramp. It was feeding absolutely fine for the first 10-12 shots. I swapped out ammo and not a single shot Ould get up the ramp...even FMJ. We swapped mags and same issue. Clues? Speculation? Again, this isn't the gas system, it won't feed the first shot out of the mag whether you cycle it manually or drop bolt for bolt release.