Why is there an 11 degree target crown?

11 degrees was picked as that was supposed to be the angle that gas exited the bore when the bullet cleared the bore.

What is the best rifle crown?

The best crown is a burr-free, indicated off of bore. Recessed crowns is just to protect rifling. Most benchrest shooters use just flat.

Do rifle crowns matter?

Yes, it can. Bear in kind what accuracy means, how close we are to the target. We can have a precise rifle that isn’t accurate and an accurate rifle that isn’t precise. If you have a zero on your rifle and damage the crown you’ll most likely have a POI change which in turn affects accuracy.

What is a target crown on a rifle?

The primary purpose of a firearm muzzle crown is to provide propellant gases a resistance free path away from all parts of the projectile as it exits the bore of the barrel. The muzzle of the 11 degree crown is sunk at an angle of 11 degrees from square (79 degrees of barrel). …

Why do you need an 11 degree target crown?

11 Degree Target Crown. Without a doubt, the crown of a rifle is essential for accuracy. A crown that does not run true to the bore can not only destabilize the projectile as it leaves the barrel, but also causes erratic behavior of the pressurized gases as they escape the bore.

How big is the crown on a rifle?

The top photo you have indicated looks like it is an 11 degree crown with a 45 degree chamfer at the edge where it meets the bore. That being said, it is really the edge of the crown,where the crown intersects with the bore) that is spoken of to have the most effect,good or bad) on accuracy.

How do you cut a 11 degree Crown?

With the desired crown now cut with the 11 degree cutter, we use the de-burring tool on the pilot to break the outside edge of the barrel. Once completed, we loosen the pilot and use our hands to remove it. The finished 11 degree target crown. The entire process took around an hour and is quite rewarding.

How to cut and crown a rifle barrel?

With the desired crown now cut with the 11 degree cutter, we use the de-burring tool on the pilot to break the outside edge of the barrel. Once completed, we loosen the pilot and use our hands to remove it. The finished 11 degree target crown.