This guide debunks the myth that bronze bore brushes damage modern firearm barrels. Experts from Brownells explain that bronze is softer than barrel steel and that perceived damage is often due to pre-existing defects or other cleaning errors like rod flex. They present experimental evidence and recommend safe alternatives for peace of mind.
This video from Kentucky Ballistics, featuring Scott, tests the ballistic resistance of a 45lb barbell plate against various firearm calibers. The experiment reveals that while most handgun rounds are stopped, high-powered rifle rounds and magnum handgun cartridges can penetrate. The testing also highlights that older cast iron plates may be significantly more durable than modern ones.
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