CYMA Metal Outer Barrel for M4 Series Airsoft AEG Rifles High Power Airsoft It's fully compatible with most Specna RED colored Four Reticle BB Weight:.20 4571443178756

It's fully compatible with most aftermarket soft and hard rubber buckings without sacrificing FPS or dropping BBs

and polished to ensure that the BB is seamless and has no surface imperfections

and other “lower 1/3” optics*

This folding stock can be attached to SIG MCX and other models equipped with a Picatinny rail on the rear of the gun

add to this a 3-dot sight system that gives the shooter a quick and easy target acquisition

CYMA Metal Outer Barrel for M4 Series Airsoft AEG Rifles High Power Airsoft It's fully compatible with most Specna RED colored Four Reticle BB Weight:.20 4571443178756 It's fully compatible with most aftermarket soft and hard rubber buckings without sacrificing FPS or dropping BBs and polished to ensure that the BB is seamless and has no surface imperfections