WE M&P T8B Custom Big Bird AUTO GBB Pistol (Vented/ SV / TAN) Length-(mm)_1090 Quick Release Gear box for

Quick Release Gear box for individual Spring Change

Zipper Closure

Fits for 20mm Standard Rail System

Come With Hard Case

The EPG's distinctive texturing is optimized for strong and suitable grip under even adverse conditions

WE M&P T8B Custom Big Bird AUTO GBB Pistol (Vented/ SV / TAN) Length-(mm)_1090 Quick Release Gear box forThe M&P is a direct evolution of the unsuccessful Smith & Wesson Sigma design, however it does not share parts compatibility with the Sigma. The M&P design has an improved trigger, enhanced ergonomics that allow for end user customization. An industry standard picatinny rail, and a higher grip has been afforded with an improved grip and beavertail. Many of the ergonomic study elements that had been incorporated into the Sigma and the Smith & Wesson