I took the new barrel out last night. This barrel shots completely different, the original barrel would not group any tighter than 3 inches at 50-100 yards no matter what type load I put in it. I attibuted it to my shooting, but I was able to zero this barrel in with just 4 shots and the groups are within 1 inch at 50 and 100 yards.
Last night I was shooting 80g Of Premium select FFGwith a 370g T/C maxi-hunter and a winchester primer ( not 777 primer)switched over to max-balls and the group raised up an inch but was still very tight