I would say your subs are not actually subsonic if it is that loud.
The heavier the projectile and the shorter the barrel the louder they will be as muzzel pressures are higher.
With a 90grn xtp...
Type: Posts; User: veitnamcam
I would say your subs are not actually subsonic if it is that loud.
The heavier the projectile and the shorter the barrel the louder they will be as muzzel pressures are higher.
With a 90grn xtp...