American Defense MFG 13.5″ Low Light Handguard and Criterion Barrel Combo. Choose from 16″ 300 Blackout pistol length gas nitride finished, 16″ .223 Wylde hybrid profile mid-length gas chrome lined or 16″ .223 Wylde government profile mid-length gas chrome lined barrels. Buy the barrel, get the handguard for free!