B BANG New member Jun 24, 2010 #1 What is the twist ratio of the rifling in 12 and 20 ga rifled barrels? I was trying to figure out what it is in a Mossberg 500 12 ga, 24-inch barrel, by looking down the barrel. It appears to be 1:37. Is that close?
What is the twist ratio of the rifling in 12 and 20 ga rifled barrels? I was trying to figure out what it is in a Mossberg 500 12 ga, 24-inch barrel, by looking down the barrel. It appears to be 1:37. Is that close?
