All of my ARs.
All three on LMT lowers with Geissele SSA triggers, and Magpul plastic.
The two uppers with Aimpoints are identical. 16" ELW, 13" MCMR, Colt BCGs, BCM Mod4 CH, Troy/BCM buis, Arisaka light, T-2 w/Geissele lower 1/3
The other is a 16" 1-7.7" SS410 Kyle Defoor upper, 13" MCMR, BCM BCG, BCM Mod4 CH, Troy buis, Nightforce NXS 1-4 FC3G in Nightforce Unimount 1.5" 20MOA, Atlas/Larue bipod.