Inception Designs Stella Barrel System Slimline Front - Spiral Rifle Porting Bore Size:0.689 The M4 Carbine features a

The M4 Carbine features a realistic flip-top break down design like a true M4/AR

Initial prototypes saw the removal of the "cup seal" on the front of the stock bolt

With the VIO’s interchangeable facemask available in dozens of colors

Integrated picatinny/weaver base mount

The pullstraps are very soft and enable a quick pulling of speedloaders

Inception Designs Stella Barrel System Slimline Front - Spiral Rifle Porting Bore Size:0.689 The M4 Carbine features aThe 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 Aerospace Aluminum, the Stella barrel system is the ultimate choice for superiority in customization and accuracy. Available in (2) different secondary control bores to maximize efficiency and to keep your sound signature to a minimum, the Slimline Stella fronts are currently available