7"/ 10"/ 13"/ 15"/ 17"/ 19" M-lok Free Float Handguard For AR-15, Id 1.44", 9oz, Fits 223 / 5.56, Black

Steel Barrel nut & hardware included            Included: - Handguard in selected length - Steel barrel nut (1.250"-18 tpi for AR-15 .223/5.56) - Fixing screws & hex wrench - 2 x timing shims (so receiver and handguard rails are perfectly aligned) - 2 x M-LOK to 3 Picatinny slot rail - 2 x M-LOK to 7 Picatinny slot rail Fits AR-15 .223/5.56  Features - Free float / floating handguard - High quality CNC machined 6061-T6 aluminum alloy - LightweightMeasurements:Inner diameter:  1.44"Width  1.72" Height Height: 2.01"Width: 1.60"