Sons of Liberty Gun Works M4-L89 5.56 NATO Barreled Upper Receiver - 10.5" - No Muzzle Device

Start your next AR-15 build with the Sons of Liberty Gun Works barreled upper receiver, featuring a compact 10.5" barrel and the SOLGW L89 M-LOK handguard. The 10.5” barrel is chambered in 5.56 NATO, constructed from 4150 CMV steel, and uses a carbine length gas system. The barrel is threaded 1/2x28 and ready to accept your favorite muzzle device.

Features:

• 10.5" 4150 CMV steel barrel
• Chambered in 5.56 NATO
• Carbine-length gas system
• 1/2x28 threaded barrel, no muzzle device included
• L89 free-float M-LOK handguard with titanium barrel nut
• Seven sides of M-LOK slots for accessory mounting
• Integrated QD sling sockets

The L89 handguard features a titanium barrel nut, which maximizes strength while keeping the weight down. It features M-LOK slots on all seven sides for accessory mounting and includes two integrated steel QD sling sockets.