Stella Barrel System Freak XL Insert Back - Matte Black CCI Phantom Threaded Barrels The M4 V2 has a

The M4 V2 has a metal receiver

or adding length

the Walther PPQ Tac gas blowback pistol features an ergonomic design that begs to be held in your hands

and for the price

Stella Barrel System Freak XL Insert Back - Matte Black CCI Phantom Threaded Barrels The M4 V2 has aThis listing is for an individual barrel back. The Stella Barrel system has arrived designed to be gentle on paint, consistent, efficient, quiet and as accurate as a paintball gun barrel can be. Constructed of CNC'd 6061 Aluminum, the Stella barrel system is the ultimate choice for superiority in customization and accuracy. Smooth rear styling to match more gun models. Front facets for easy grip and removal Compatible with XL Inserts only Color insert