TNT M.A.V. 44 VSR UPGRADE KIT (45°)

●Aluminum enlarged upper receiver *1
●Stainless steel cylinder (44.3 c.c.), steel cylinder tail section
●Steel cylinder head
●Aluminum enlarged piston body
●Steel piston tail section, available in 45 degrees and 90 degrees (please advise which type you need whenordering)
●Piston is equipped with aluminum piston head (10g), and steel heavy piston head (30g) can be purchasedseparately
●Steel 9mm spring guide (SRS spring or AEG spring can be used)
●The trigger assembly fixing screw washer*4 included to prevent the bolt from being too long and stuck the bolt.