Closing the Loophole in Silencer Testing
Cleve Doyen Reviews the ASTM-E477 Testing
The sole purpose behind a test standard is to establish a means by which data is uniformly obtained and communicated. In North America, ASTM E447 is the most common standard used for the testing and cataloging of silencers. This standard is often specified ambiguously and this ambiguity can then be exploited by manufacturers.