Advanced Marksmanship changing muzzle brakes

chansen49

Sergeant
Full Member
Minuteman
Mar 26, 2009
415
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Sunny Socal
Does changing from the GI flash hider on an M1a to a Smith Enterprise brake change the POI and if so by how much? I went to the range yesterday and my scope was about 6 feet left and 4 feet low @ 100 yards after the brake change, That was the only difference..
I bottomed my windage all the way right and was still 2 feet left!!!
Everything was tight and torqued..

Im perplexed to say the least.

Any Ideas? Its a Pride Folwer Rapid Reticle Scope

Thanks Guys.