I'd wait a while before doing that. A clean 12 ga. DHE like yours doesn't come along that often. The 12 gauge M21 my late father gave me in 1981-- mfg. 1940- 28" IC. Mod. field grade with SST and AE has "3 inch chambers" stamped on the left side barrel breech, but it NOT a M21 duck gun-- I have never shot any 3" loads in it though. RWTF


"The field is the touchstone of the man"..