Oversize For Fitting & Correcting Timing
No more heating and bending factory hands to correct faulty
cylinder timing. Oversize dimensions can be easily fitted to all
S&W "K", "L" and "N" frame revolvers. Machined from tool
steel, heat treated and then precision ground to final dimensions.
Big Book Catalog, Issue:66, Page:223
SPECS: Tool steel, in-the-white. Gunsmith fitting required.