101% chamber seal for SRS, HTI & Tac41

-suitable ONLY for SRS, HTI and Tac-41 rifles

-updated rubber blend for wear reduction

-updated design with improved durability

-esier assembly

-lips fit to the CNC chamber, provide perfect seal around the nozzle

-no need of any tape or other addition to achive sealing (can be added but not required)

-external and internal dimensions changed to fit perfectly in both standard, F.A.S.T. & MAXX SRE chambers

-flat inside to make it R-hop ready (and required)

-fits all inner barrels

-increased hardness to expand pressure on the whole R-hop