b'EXPLORR U-300 TAPER MOUNTDUAL-LOK 3-LUG A2EZ-LOK*EZ Brake and Plan-A mounts includedLENGTH.5.8 LENGTH.6.3 DB REDUCT. 29dB 7.62mmWEIGHT.10.8oz MATERIAL.H900 & Cerakote finished 17-4SS WEIGHT.11.8oz MATERIAL.H900 & Cerakote Finished 17-4SSDIAMETER1.5 MSRP$869 DIAMETER1.5 MSRP$969CALIBER224CAL RATED FOR.Up to .22-250 REM CALIBER300CAL RATED FOR.Up to .300 WIN MAG'