TAC-41 Variable Mass Piston (Red) | Piston Cup NBR 70 (Black) SP-WII-49 Features bidirectional adjustment for a

Features bidirectional adjustment for a comfortable fit and integrated MOLLE system to add natural vegetation in the field

The quick-release weapon mount attaches to the thermal optic and secures it to any Picatinny rail system without the need for additional tools or release levers

Angry Gun AK Hard Kick Gas Piston for Tokyo Marui AKM GBBR x1

Special Designed TAC-41 Kraken Silent Cylinder Head with anti shock rubber pads on the back and front of the cylinder head

TAC-41 Variable Mass Piston (Red) | Piston Cup NBR 70 (Black) SP-WII-49 Features bidirectional adjustment for aTAC 41 variable mass piston Piston cup NBR (70) Piston head CNC AL 6061 T6 Piston body CNC AL 6061 T6 CNC steel piston end CNC aluminum counterweight (4 pieces) CNC steel counterweight (4 pieces) PTFE grease Tools included This special piston allows you to adjust the muzzle energy of your TAC 41 by varying the piston mass from 39 to 135 grams across 15 different configurations. Follow the tutorial video. For optimal performance, use our spreadsheet.