<b>REDDING .290IN TITANIUM NITRIDE NECK SIZING BUSHING</b><br /><br /> The <b>Redding .290in Titanium Nitride Neck Sizing Bushing </b> freely interchange in all Redding Bushing-Style Sizing Dies.<br /> By selecting the correct bushing, you are now able to provide the right amount of neck tension to properly hold the bullet without excessive resizing. All bushings are marked with size I.D.<br /><br /> The easiest way to determine the proper diameter bushing, is to measure the neck diameter of several loaded or dummy cartridges with an accurate micrometer.<br /> Subtract .001”–.002” from the average neck diameter and this diameter bushing will generally size case necks to create the proper press fit for the bullet.<br /><br /> Redding bushings are hand polished with a surface hardness of Rc 60-62 . <br />Titanium Nitride bushing feature titanium nitride to further increase the surface hardness and reduce sizing friction. <br /><br />