I plan on purchasing a couple of lowers and using one to build up an AR15 with my son and it will be his rifle. This way he can understand the mechanics of it backward and forward.
Looking through the Brownells catalog reveals a Superior Arms lower for $96, Fulton Arms for $133 or a DPMS for $110.
Any reason to pick one above the other? So far I was told to pick the Superior but I know squat about lowers.