Question: what is the difference between modified and full choke?
Answer: Full: This choke has tight constriction and a dense pattern, delivering approximately 70 percent of a shell's total pellets in a 30-inch circle at 40 yards. ... Modified: This choke has less constriction than a full choke, delivering approximately 60 percent of a shell's total pellets in a 30-inch circle at 40 yards.