Charlie's Custom Clones - M4A1 Block-1 SOPMOD clone...Ive since replaced the Aero Precision 'M4 Carbine' lower receiver with a Colt M4A1 marked 80% but everything else is still the same. Dru
S&W M&P 15 Sport II 223Rem/5.56NATO 16" Barrel 30+1 - Gunbuyer
NEW Colt M4A1 SOCOM 14.5" Block 1 Custom Complete AR15 Upper w/o BCG - AR15 Parts at GunBroker.com : 939522710
M4A1 RIS High Detail - FlippedNormals
M4 Build, just got the Acog in boiiiiis : r/ar15
M4 / Master Key – azmgo
M4A1 Block I | 1911 Firearm Addicts
COLT M4 Classic Series - YouTube
Daniel Defense, M4, Carbine, M4A1, 5.56 | Daniel Defense