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K4THRYN · November 19, 2012, 02:52 AM

A supersonic round is almost twice as loud as a subsonic round. even if the difference is only 50 fps.

barrel-cylinder gaps and/or barrel porting, both amp up the sound quite a bit too.

November 19, 2012, 02:52 AM	#3
K4THRYN Member Join Date: November 13, 2012 Posts: 31	A supersonic round is almost twice as loud as a subsonic round. even if the difference is only 50 fps. barrel-cylinder gaps and/or barrel porting, both amp up the sound quite a bit too.