I change the A2 front sight from pinned on to a set screw due to a barrel change
Shooter, caster, handloader
I guess I never thought about the differences in barrels, and how some barrels have pinned gas blocks, and some take setscrews. Thanks for sharing this, J.P. Personally, I had enough of the A2 front sights from 20 years of using them, and nowadays just use magnified optics and stay away from the A2 sights. But I’ve been thinking about changing the 16″ ‘A4’ barrel for a 20″, and that will require me to remove the current gas block and carbine gas system, and reinstall the gas block and put in a rifle length gas tube. I don’t know if… Read more »
Ya , a 20 ” barrel could come with a mid length or a rifle length gas system . A pinned or set screw style gas block . You need to read the fine print I guess .