something to consider on an SBR is if you go w/ a mag well block vs a dedicated lower, you can change caliber later should you tire of the 9mm and not have to re-register something else...
-rvb
something to consider on an SBR is if you go w/ a mag well block vs a dedicated lower, you can change caliber later should you tire of the 9mm and not have to re-register something else...
-rvb
Why did you choose the side-charger out of curiosity?I went with the NFA lower and Matrix side charging upper for mine. Still not complete yet but it's getting there.