01-10-2019, 01:37 AM
jurassic Wrote:I had the same problem with the BA barrel, I think I went up to .063-.065. I used a new drill bit with a wooden dowel that fit the bore to protect the rifling. Invest in a set of numbered HSS drill bits, I've used them several times to open up gas ports.
The 12" BA barrel or the 16" pencil?

