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bladesmith 1 · March 25, 2019, 07:23 AM

Shotgun barrels are thicker at the breech because of higher pressures at the breech. Also the chamber is at the breech, which is larger than the bore, so everything considered, the breech will naturally have a larger outside diameter than the muzzle. Then manufactures tapper the barrel thickness to the muzzle to save weight. All a straight edge on the top of the barrel is going to show is how much the barrel tappers, nothing else. Trap guns are usually made to shoot 70/30, 80/20, or 100% high. How ? The vent rib is higher at the breech end and closer to the bore at the muzzle. This is the same as raising the rear sight. This means your eye has to be higher, so a stock with higher dimensions is used. Trap guns are sometimes made with adjustable ribs and/or combs. Skeet, SCs, and field guns are made to shoot 50/50, or flat. Out at 40yds the pattern is more of a problem than drop. Even if there was 6, 8, or 10" of drop [ which there isn't ] with a 30" pattern the head of a turkey would still be in the pattern. Worry about the pattern first. You're shooting a shotgun, not a rifle. I'd throw the RD away. Good luck - Paul

March 25, 2019, 07:23 AM	#14
bladesmith 1 Senior Member Join Date: July 14, 2018 Posts: 240	Shotgun barrels are thicker at the breech because of higher pressures at the breech. Also the chamber is at the breech, which is larger than the bore, so everything considered, the breech will naturally have a larger outside diameter than the muzzle. Then manufactures tapper the barrel thickness to the muzzle to save weight. All a straight edge on the top of the barrel is going to show is how much the barrel tappers, nothing else. Trap guns are usually made to shoot 70/30, 80/20, or 100% high. How ? The vent rib is higher at the breech end and closer to the bore at the muzzle. This is the same as raising the rear sight. This means your eye has to be higher, so a stock with higher dimensions is used. Trap guns are sometimes made with adjustable ribs and/or combs. Skeet, SCs, and field guns are made to shoot 50/50, or flat. Out at 40yds the pattern is more of a problem than drop. Even if there was 6, 8, or 10" of drop [ which there isn't ] with a 30" pattern the head of a turkey would still be in the pattern. Worry about the pattern first. You're shooting a shotgun, not a rifle. I'd throw the RD away. Good luck - Paul Last edited by bladesmith 1; March 25, 2019 at 12:35 PM.