The SOLGW L89 5.56mm 11.5" No BCG/CH Upper Receiver M4L89UPPER-11.5-556 is engineered for tactical applications requiring a compact and reliable upper. This upper features an 11.5-inch barrel with a carbine-length gas system, constructed from 4150 CMV steel for durability and accuracy. The L89 handguard provides extensive M-LOK mounting options and integrated QD sockets. The upper is built using a forged receiver and includes a V2 button-rifled barrel and V2 4140 gas block. Ideal for AR-15 builds, this upper does not include a bolt carrier group or charging handle, allowing for personalized customization. SOLGW L89 5.56mm 11.5" No BCG/CH Upper Receiver M4L89UPPER-11.5-556