This guide details the process of installing gas tube shims on a Springfield Armory M1A rifle to correct looseness and improve accuracy. The instructor demonstrates how to remove the flash hider and gas nut, measure for the correct shim thickness, and reinstall components without specialized castle nut pliers. The process emphasizes achieving a snug fit that prevents binding, especially as the barrel heats up.
You've reached the end! 1 videos loaded.
Gun Laws by State
Read firearms regulations for all 50 states + D.C.
Find Gun Dealers
Search licensed FFL dealers near you.
