Got a question for the experts. When my Dad passed away, one of his most prized possessions was a Remington 870 Wingmaster 12 gauge , that was given to him for Christmas 1957. I have decided to have the gun re-blued and to refinish the stock to bring the gun back to it’s original condition. Out of curiosity I picked up a box of Winchester Nitro 27’s #8 shot and set up a pattern board. The barrel is 28 inch with mod stamped on the barrel. At 35 yards I was amazed to see a 30 inch pattern that a humming bird couldn’t have flown through. So I then measured the chock to see what it really was, expecting it to have been a little shot out after a half century of use. To my surprise it measured .0701 which is right between a full (.691) and modified (.709) choke according to the Remington web site. Sorry it took so long to get to the question but my question is, has choke standards changed since this gun was manufactured and if so why. My only guess at this point is that shot shell quality has gotten so much better that they are shooting tighter patterns than they did 50 years ago so chock restrictions have changed also. Am I on the right track? I thought about replacing the barrel with a 26 inch tube with RemChokes but this gun has such a beautiful pattern at 35-40 yards I may just stick with it as is. Thanks in advance.
Jerry
Jerry