*TDC HOP-UP PRESSURE ADJUSTMENT
*HOP-UP ADJUSTMENT BY 2MM ALLEN KEY DESIGN
*USES A STEPLESS SCREW FOR PRECISE HOP-UP ADJUSTMENT
*HOP-UP BUCKING WARP-AROUND DESIGN, MAKES A BETTER SEAL
*7075 ALUMINUM ALLOY CNC PROCESS ONE PIECE HOP-UP CHAMBER
*C-CLIP WITH SCREW DESIGN MAKE INNER BARREL MORE FIXED AND CENTER