Build Your Upper

How to use the Builder: Click through the numbered menu to select each component. You can also use the previous & next buttons below.

Quick reference:
1) retrofit option
2) upper type
3) upper colour
4) match lower
5) barrel calibre & length
6) cerakote paint barrel?
7) cerakote paint flash hider?
8) new barrel (retrofit #4 onlu)

Note: Upper Type refers to the cut of the holes along the upper. KEYMOD is key-shaped (as pictured) where MLOK is not.