Jeremy, I had Magnaport do the 4 port job (rifle style) on my 8&3/8 mod 29 & it made a large difference with 320gr loads in the 1340fps range. I'd do it again in a heart beat.
Vance in AK.
Matthew 6:33 "But seek first the kingdom of God and His righteousness, and all these things shall be added to you."
