ar build

So I just got done building a precision AR in 5.56 and im trying to find a factory load the rifle likes but im finding it hard to find heavier ammo other than hornady. Black hills is sold out everywhere. So ive decided im going to start reloading my own hunting/match ammo. The bullets I choose...

I'm doing my first AR build and I was wondering if anyone has ever used the Luth ar modular buttstock. Is it durable? Is it made of good quality plastic? If anyone suggests any other adjustable A2 stocks (mainly cheek weld) for a decent price, that would be great! Thanks, Ryan PS. I'd prefer...

Can someone help me? I'm doing my first ar build and I'm looking for a specific barrel type and I haven't been able to find one. The barrel I'm looking for needs to be a 20" stainless .223 wylde with a 1:7 twist as well as a 1/2 x 28 thread on the muzzle. Preferrably one that is known to be good...

I am a relatively new "builder". I have learned tons just from reading from all of you experienced shooters/ builders on the hide. I am looking into building a 300 black out. I am in the process of getting my suppressor just waiting for the ATF to give me the GTG. Anyways, my question is as...