T-N.T. M.A.V. 44 VSR upgrade kit 45°

Most popular sniper rifles based on the VSR system have been an part of airsoft for many years. VSR mechanism is easy to upgrade and is very reliable. Thanks to a wide range of models from various manufacturers, VSR series weapons are still a very popular and demanded platform.
Nevertheless, even VSR has it's shortcoming. The big drawback is that the VSR original cylinder is slotted too long, resulting in an effective volume only about 34c.c., which is really weak compared to other mainstream systems. You can eliminate this shortcoming right now thanks to the Taiwanese parts manufacturer T-N.T. and it's Max Air Volume System!

M.A.V. The system will increase the volume of air in the cylinder by 23%, which will increase the potential performance of the weapon. In combination with other improved power and sealing parts of this kit, you will use this increased volume to 100% and completely change the characteristics of your weapon. This is not just an upgrade, this is the maximum use of the potential of the VSR-10 system!
Upper receiver now working more smoothly with smaler tolerances and whole M.A.V. System can directly use the original VSR outer barrel and hop-up chamber, upper receiver rail, handle, bolt tail cover, trigger assembly and other parts.

M.A.V. Kit contains:
- Aluminum CNC enlarged upper receiver for enlarged cylinder
- Stainless steel cylinder with enlarged air-volume 43.9 c.c.
- Aluminum enlarged piston with 2 mm thickness of the inner wall
- Steel piston tail section for 45 degrees*
- Aluminium pistons head (10g)**
- Pre-designed the screw hole on the piston head with Hexagon socket screws, suitable for any 4mm VSR air-brake on the market
- Steel 9mm spring guide***
- Four pieces of trigger assembly fixing screw spacers are included in the set to avoid excessively long screws from getting stuck the bolt
- VSR spring M130
 

* 90 degrees steel tail section can also be purchased separately
** heavier steel piston head (30g) can also be purchased separately
***check T-N.T. M150 and M170 springs for M.A.V. System