September 2018 Battleworn Nickel Boron Builder Sets
The September Builder Sets feature a Battleworn Nickel Boron finish by Legal Manufacturing. These sets are available for both the AR15 and M5 (.308) platforms. The AR15 sets feature our new M4E1 Lower Receiver and are available in 9" or 15" ATLAS S-ONE and R-ONE or Enhanced Handguard options! Or go big with our M5E1 Builder Set, perfect for your .308 or 6.5 Creedmoor build.