This kit will increase the locking tension of swing-out cylinders in double-action revolvers chambered for heavy-recoiling calibers. The kit will also allow the revolver crane (holding the cylinder) to be better aligned in the frame, leading to more precise cylinder alignment with the barrel. Gunsmithing, including firearm machining and drilling, is required. This is intended for use on custom-made revolvers and will not work with stock applications. Kit comes with 20 crane balls, 20 springs and an installation punch.Stainless Steel Crane Lock Ball & Spring Kit- Conveniently add extra ball locks to your Custom Revolver.
Includes 10 springs and 10 balls.
Includes installation punch. Requires 1/8" ball end cutter to cut ball detent in frame product # 849549.