Re: Bad brass
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Feyrman</div><div class="ubbcode-body">I'm getting doughnut rings in 50% of my brass. not turning necks just neck sizing. </div></div>the main reason to extend the turning of the necks a little bit on the shoulder is originated to avoid the effects of the flowing of the brass, from the base, forward_the flowing of the brass thicken the junction between shoulder and neck,and/or lenghten the neck_this happen during the shooting,and is frequent in high intensity catridges coupled with tight chambers_at the instant of the shooting,the brass can't flow "outside",because the chamber is tight,therefore flows "inside",causing the donut_hotter the charge,more frequent the donut,even someone has encountered donuts in brand new brass,probably caused from the forming of the neck at the factory_