What kind of noise levels do these produce? And these are interesting in another way. Lewis and Clark carried one air-rifle on their exploration across the west.
Someone on a forum said the bigger bores are not backyard friendly in a neighborhood.
I’ve never used these. But, I’ve used pneumatic trainers (the kinds that are used to train tactical engagement techniques/fire discipline) quite a bit and those are surprisingly loud. As loud as a firearm? No. But, significantly louder than a pneumatic nailer or stapler.
Mine isn’t anywhere as large as those. It sounds like a .22 rilfe. I cannot shoot it in my town as I a sure I would get complaints.
I’ve fired a .45 caliber air rifle. The velocity was around 900 fps or so. All you heard was a “whoosh”. Very quiet.
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I have an AirForce Texan in .357. It is ~ .22 rife loud.