BUY ATI MIL-SPORT AR15 UPPER COMPLETE 16″ BBL PIC RAIL GB .750 DIAM 1X7 5.56 DROP IN QUAD RAILS

American Tactical AR-15 Upper

100% Made in USA and Assembled in Summerville, SC!

This drop in ready, assembled upper receiver features a forged aluminum, AR15 pattern upper receiver, with a 16” M4 profile with 1:8 button cut rifling, magnesium phosphate finish, and chambered for the 5.56 NATO cartridge.  This upper is completed with a carbine length, drop in quad rail, a rail height gas block with picatinny rail on top for mounting back up sights, an A2 style compensator, and a black nitride finished bolt carrier group.  Fits to any AR15 pattern lower receiver.

·         5.56 NATO Caliber

·         16” M4 Profile Barrel with Magnesium Phosphate Finish

·         7075-T6 Forged Aluminum Upper Receiver

·         Carbine Length Drop In Quad Rail System

·         Carbine Length Gas System (DGIS)

·         A2 Style Compensator

·         Black Nitride Finish Bolt Carrier Group