Jerry & Lena-Mossberg 940 JM Pro Setup
This guide details how to adjust the stock fit of a Mossberg 940 JM Pro shotgun, a process crucial for accurate aiming as shotguns lack a traditional rear sight. Expert Lena Miculek demonstrates how to modify length of pull, cast, and drop using included adjustment kits. Proper fit ensures the shooter's eye aligns correctly with the rib and bead, significantly improving shooting performance.











