Barrel Crowning Tool

Eight precision machined flutes give smooth chatter free cuts to help eliminate extra lapping or stoning.

Barrel crowning tool.

Made in white city oregon usa. Shop our vast selection and save. Then i used this to cut the crown. Highest quality gunsmithing tools barrel crown tools at pacific tool and gauge.

We have a great online selection at the lowest prices with fast free shipping on many items. Gives good rifling protection without going too deep. We have a great online selection at the lowest prices with fast free shipping on many items. 20 thread fits brownells muzzle chamfering handles.

A perfectly consistent concentric crown allows propellant gases to disperse evenly. The muzzle crown is the last point of contact between the barrel and a fired bullet. Any defect in the crown will result in uneven lateral forces on the bullet causing it to yaw which ruins accuracy and repeatability. 90 11 79 hence the name.

If the barrel is not squared off and the bullet exits the barrel on for example the right side before it does on the left side the asymmetrical gas escape can cause the bullet to yaw and accuracy will be poor. A facing cutter a crowning cutter and caliber specific pilot. After cutting the barrel on my mosin i used the 90 degree crowning tool to square up the muzzle to the bore. Brownells is your source for barrel crowning tool at brownells parts and accessories.

Squaring the barrel requires specialized tools.