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To add further injury to your shooting accuracy, the barrel not only vibrates, but, because of the twisting rifling, the bullet imparts a torque on the barrel which can make it wobble as well as sine-wave oscillate.
Anyhoo, the vibrating string thing is an apt teaching tool. But the idea of reducing the vibration is only part of the deal. If you look at a sine wave or a vibrating guitar string, you will notice that there are nodes, places where the string does not vibrate. The rifle barrel does not necessarily vibrate only at, say, the recoil lug. It will have nodes all the way down the barrel at regular intervals (does anyone remember that old film clip of a suspension bridge oscillating in many places during an earthquake (or was it a wind storm?)?
Now, let's say we could adjust those isolations (with a BOSS adjustment or bullet change or powder change or primer change) so that we could move that non-vibrating node closer to or right on the muzzle of the barrel. The barrel would be vibrating all over the place behind the muzzle but the muzzle would be relatively calm.
Unfortunately, most of us, without a BOSS cannot simply dial this in as if we had a rheostat and a CRT to monitor the results. We have to play hit or miss with reloading techniques, five rounds at a time.
Rick
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