Palmetto State Armory has lower parts kits in stock: PSA STR Lower Build Kit Palmetto State Armory ACS-L Lower Build Kit PSA MOE Lower Build Kit Upper assembly: 6.8 spcii - PSA 14.7" 6.8 SPCII 1:11 Mid-Length CHF CMV MP Lighter Profile Upper 6.8 stainless upper - PSA 6.8 Stainless Madness...