Up for sale is a NIB Windham Weaponry model number R16M4FTT comes complete with hardcase and limited lifetime warranty. Semi-auto, gas impingement system M4A4 type flat top upper receiver. Forged 7075 T6 aircraft aluminum receiver and trigger gaurd. Hardcoat black anodized finish 16" M4 profile chrome lined barrel w/A2 flash suppressor chrome vanadium 4150 steel barrel with 1/9 twist. No sights RFS picatinny rail gas block. 6 position stock and sling. 30 round mag. Please know your state laws before buying thanks.