I have an 1100 3 inch magnum barrel with one gas port. I want to enlarge the gas port to eject 2 3/4 inch shells for trap shooting. What size drill bit do I use to enlarge the gas port? Thanks for the help anyone can give me!
Hate to diagree with anyone, but I have drilled the second gas hole on at least two 3 inch barrels to use light loads and have had no problems drilling the holes and the barrels cycled the lighter loads just fine. If you do not feel comfortable drilling it yourself, take to a good gunsmith and ask him to do it. I use a piece of wire in the first hole to determine the correct angle of the drill bit and then use a new very high quality bit and a good variable speed drill and take your time. The hole is close to an 1/8" drill so that was what I used. Worked out ok for me. Or you could find a 2 3/4" barrel and then you would be able to use the gun for two things. Trap and hunting. Lots of options. Thanks.