What really constitutes full choke? My Super-Fox 12-gauge 3-inch was of course targeted with the 1 3/8-ounce loads of 1928 and has .053" right and .051" left. My 1960 Model 12 Heavy Duck is marked full and mics .035" probably based on the 1 7/8-ounce loads in vogue then. Doesn't matter what it mics, it is what it patterns.
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