b'E X P L O R REXPLORR U-224 TAPER MOUNTDUAL-LOK 3-LUG A2EZ-LOK*EZ Brake and Plan-A mounts includedLENGTH.5.8 DB REDUCT.31dB 5.56mmWEIGHT.10.8oz MATERIAL.H900 & Cerakote finished 17-4SSDIAMETER1.5 MSRP$869CALIBER224CAL RATED FOR.Up to .22-250 REM'