Full spikes tactical build with midlenth 16” chrome lined 1:7 twist barrel. Trigger changed to CMC 4.5 lb flat trigger. Buttstock and grip, and foregrip are magpul. Magpul BUIS. Handguard is a Troy Alpha 15” Freefloat. I have 720 rounds of 55gr brass FMJ from different manufacturers. Some rounds have been in storage for a while and the brass is tarnished but rounds function and cycle without an issue. Also come with 3-20rd Pmags and 3-30 rd Pmags.