Originally Posted by
shiv
You’d probably think this is out there, but a brake/comp/flash hider is installed at the most critical point for accuracy on a rifle. Sometimes the weight can “tune” the barrel. I’ve had barrels that shot better with the addition of a brake or comp. In fact, some Rimfire BR shooters use adjustable “tuners” on the muzzle to dial in their loads as rimfire ammunition isn’t tunable like reloaded centerfire.
I’ve experienced this effect with rifles myself which the harmonica were taped with the application of a muzzle device. I’ve one particular BCM SS410 that had the accuracy suffer once I pulled the factory comp off in favor of a flash hider (so I could mount a Surefire suppressor).
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