I have a PSA 16" CHF Mid-Length 5.56 NATO 1/7 13" Geissele MK14 M-lok Upper - No BCG or CH and Geissele Super Semi-Automatic Enhanced (SSA-E) Trigger & PSA AR15 MOE Lower Build Kit - Without FCG and PSA 5.56 Premium Full Auto Bolt Carrier Group & PSA AR15/M16 7075 T6 Forged Mil-Spec Charging Handle on an anderson lower! An amazing combo!