The Gemtech MIST-22 series of Integrally Suppressed 10/22(R) barrels. Using Gemtech's patented G-Core(TM) Technology, we have created a lightweight, easily maintained, and unbelievably quiet package. The MIST-22 barrel is a great way to keep your rifle compact without adding the extra length of a standard suppressor. MIST barrels use a match grade 22LR chamber. They feature a 1-16" RH Twist for use with commercially available bull barrel stocks, with either MIST-22 barrel the Absolute Sound Level is 114dB.