11-11-2023, 06:40 AM
MachV Wrote:It groups just fine and no baffle strike but the group is 1.5 feet low and a foot left at 25 yards! This only happens in 7 inch configuration on the 06. One other anomaly is that all other goups run a consistant 1 to 1.5 inches low left at 100 yards with the suppressor and it matters very little calibar or suppressor
Mach,
Sounds like your 30-06 barrel's muzzle thread is not allowing the 7" suppressor to square with the bore. The interface between the 30-06 muzzle and the 7" is off somehow.
Sounds like the two suppressors (7" and 9") are perfectly fine. I say this because your 7" works fine on the Blackout, and the 9" works fine on everything. Blackout is the same bullet diameter as a 30-06, and if the problem was the suppressor then you'd have rounds going off axis in the Blackout also. You're only seeing wildly off groups in the 30-06. The more clearance in the smaller diameter calibres: 6.5 and 223 means any runout issues will be more forgiving. But, comparing the Blackout with the 30-06 suggests the problem is the 30-06 muzzle.
All suppressors change the MPI about 1-2" at 100, so that's normal. But 1.5ft at 25yds is clearly an off axis suppressor. Rounds don't have to strike the baffles to be deflected. Gas can escape more on one side than the other, throwing the bullets off axis. Suppressors only have about 0.5mm clearance between bullets and baffles so it doesn't take much runout to throw bullets off.