SAA 16" 5.56 1:7 SOCOM Nitride, 15" C15M MLOK Free Float Forend, Complete AR-15 Upper Receiver
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The SOCOM profile barrel is an original Gov. profile barrel (pre M4 profile). It does not have the M4 cut in the barrel and is a more consistent medium-taper profile while also not being the heavier HBAR (heavy barrel) profile. It is also a Mid-Length gas system so the weapon's action is more reliable than a carbine-length gas system.