In one of Ted's later videos he commented about the bore diameter being noticeably larger than the actual bore of the barrel. This is correct and I agree with his statement that it is desirable. This may make some shooters wonder about the manufacturing, but in reality it shouldn't.
My current experience is with the SIG series of suppressors, installed on MCX .223, 11-inch barrelled rifles. Ever shoot a straight 11-inch .223 (Un-suppressed)? Brother, that is LOUD. With a suppressor it is approximately equal to a 22LR (mid-range load).
The bore of the suppressor is actually fairly large compared to the muzzle/bore of a standard .223. .224" .vs. .300" (measured with a caliper). Fortunately, we had a SIG rep going through the next day. He took the time to explain not only the simple baffle system they were using (and some of their proprietary mfr'g methods), but also explained that they had shot with clearances from .002" on up, before they decided on their current configuration.
The conclusion was that due to ammunition variances and probability of an unstable bullet entering the suppressor off-center or wobbling, a clearance over bore diameter gave a minimal increase in decibels, but would continue in service much longer. The specific numbers SIG referenced were in the range of 2-7% depending on ammunition variables, for 3-4 calibers over actual bore diameter. Yes it is louder, but the reliability is exponentially greater- an acceptable trade off. And of course if you don't get baffle strikes, accuracy also continues at original levels. (More or less what Ted was saying). An acceptable trade off.
My current experience is with the SIG series of suppressors, installed on MCX .223, 11-inch barrelled rifles. Ever shoot a straight 11-inch .223 (Un-suppressed)? Brother, that is LOUD. With a suppressor it is approximately equal to a 22LR (mid-range load).
The bore of the suppressor is actually fairly large compared to the muzzle/bore of a standard .223. .224" .vs. .300" (measured with a caliper). Fortunately, we had a SIG rep going through the next day. He took the time to explain not only the simple baffle system they were using (and some of their proprietary mfr'g methods), but also explained that they had shot with clearances from .002" on up, before they decided on their current configuration.
The conclusion was that due to ammunition variances and probability of an unstable bullet entering the suppressor off-center or wobbling, a clearance over bore diameter gave a minimal increase in decibels, but would continue in service much longer. The specific numbers SIG referenced were in the range of 2-7% depending on ammunition variables, for 3-4 calibers over actual bore diameter. Yes it is louder, but the reliability is exponentially greater- an acceptable trade off. And of course if you don't get baffle strikes, accuracy also continues at original levels. (More or less what Ted was saying). An acceptable trade off.