Aero Precision APAR308505AC Assembled Receiver 308 Win 7075-T6 Aluminum Flat Dark Earth Cerakote Receiver for M5 Platform $209.99
Aim Sports AR5CUB3 Complete Upper Assembly 5.56x45mm NATO 16" Black Nitride Barrel 7075-T6 Aluminum Black Hard Coat Anodized Receiver 15" M-LOK Free-Float Handguard for AR-15 $329.54
Alexander Arms UST17 Upper Parts Kits 17 HMR 18" Black Cerakote Aluminum Receiver M-LOK Handguard for AR-15 Includes 2 Mags $840.31
Aero Precision APAR308503AC Assembled Receiver 308 Win 7075-T6 Aluminum Black Hard Coat Anodized Receiver for M5 Platform $194.99