GM Oversized Cylinder Latch for Ruger® Single Action

Manufactured from heat treated A-2 tool steel with a stainless steel stud. Fits all New Model (Small and Large Frame) Ruger® Single Action revolvers including Blackhawks®, Vaqueros®, Bisleys™ and Single-Six®. Will not fit Bearcat®. Should be used with an oversized base pin properly fitted to cylinder and frame. Part is oversized in profile and thickness and requires fitting and installation by a qualified gunsmith.

installation video of RSA O/S cylinder stop.