AR15 Partial Upper with Superlative Arms Adjustable Gas Block
Assembled AR15 upper with Superlative Arms adjustable gas block, available with or without bolt carrier group and charging handle. Simply install the handguard and muzzle device of your choice and you're ready to go.
Features CPWSA fluted 16" barrel, with mid-length gas, 1 in 9 twist, M4 ramps and 5.56 NATO chamber, and Superlative Arms adjustable gas block. Price is $649, or $549 without bolt carrier group and charging handle.