Custom MTW Upper Builder

Always dreamed of building your own MTW Upper from the ground up? Now you can!

Always wanted a second upper for a different mission set than your current MTW fills? Now you can!

MTW Custom Upper Builder

Upper Receiver Group

Required

Barrel Length (Outer Barrel)

Required

Hop and Barrel Assembly

Required

Engine

Optional

Engine Required Parts

Depends on Engine

Air Supply

Depends on Engine

Rail

Required

Muzzle Device

Optional

Sights

Optional - Multi-select

Rail Accessories

Optional - Multi-select

Optional Add Ons

Optional - Multi-select

Assembly

Required