Briley Spherical 1911 Government Barrel Bushing Mandrel

Mandrel threads into any Briley 1911 Barrel Bushing, holding it securely for easy turning on a lathe. Allows easy removal of material for a custom fit.Notes:Drop-In bushings are designed to fit in a 1911 slide with standard dimensions at bushing opening. Oversize bushings have extra material on outside diameter and will require fitting to insert into busing opening of slide.The spherical bushing is designed to increase accuracy and reliability by maintaining perfect alignment from barrel to slide by a unique system using a spherical ring. If the spherical bushing is disassembled, re-insert the ring in the horizontal cut and rotate to seat. Ensure that there is linear movement in the assembly. Lateral (axial) movement should be non-existent and is best checked in your gun when in the locked position to avoid misinterpreting axial movement with pivot.Ring to Barrel Fit: Simply measure barrel at the muzzle and ensure that the number on the ring is .001 of an inch larger than the outsid...