AERO PRECISION M4E1 ~ 5.56X45 NATO ~

Aero Precision M4E1 Pro 5.56x45mm 16", Black

Aero Precision M4E1 5.56 16 Barrel 30-Rounds 15 R-ONE M-LOK Handguard

Aero Precision APCR640437 M4E1 223 Rem/5.56 NATO 30+1 16 Black QPQ Steel Threaded Barrel, Black Anodized Receiver, 15 ATLAS R-ONE M-LOK Handguard, Black Synthetic Magpul SL Stock & Grip, Rifle

Aero Precision M4E1 5.56 16 Barrel 30-Rounds SL Carbine Stock

Aero Precision M4E1 Pro Kodiak Brown 5.56 16 Barrel 30-Rounds

Aero Precision M4E1 5.56 16 Barrel 30-Rounds Ambi Charging Handle/Safety

Aero Precision APCR640450 M4E1 Pro 5.56 NATO 30+1 16 Black Anod Steel Threaded BBL, OD Green Anod Pic Rail Alum Rcvr, M-LOK Handguard, Magpul SL Black Synthetic Stock, Black Magpul Grip,Tactical Rifles