M4e1 5.56 Assm Uppr 11.5” Carbine 9” Atlas S-One Hg Blk

Description

This complete upper includes Aero Precision’s new ATLAS S-ONE Handguard! The S-ONE line of handguards are designed with size and weight in mind, providing the perfect addition to your lightweight build. Aero Precision’s proprietary ATLAS attachment system is a durable and dependable mounting platform, maintaining a slim profile while still providing the strength and stability customers have grown to love from Aero Precision handguards. M4E1 Threaded Assembled Upper Receiver Choice of 12” or 15” M-LOK ATLAS S-ONE Handguard 16″ 5.56 Mid CMV Barrel, 18” Rifle Barrel Low Profile Gas Block and Mid-Length/Rifle Length Gas Tube Depending on Configuration Product comes assembled This complete upper does not include BCG or Charging Handle New enhanced forging that gives the upper receiver a “billet look” New picatinny profile that blends seamlessly with our Enhanced Series Handguards M4 Feedramps .250 takedown pin holes Laser engraved T-marks Includes port door and forward assist installed ATLAS S-ONE Handguard Features: Front and rear picatinny rail Eliminated center of top rail for weight reduction Indexing grooves in 12:00 position for positive grip control Quick disconnect sling socket at the 3, 6 and 9 o’clock positions Compatible with low profile gas blocks 1.3” Inside diameter 1.5” Outside diameter Compatible with mil-spec AR15 upper receivers and barrels 16″ 5.56 Mid Barrel Features: 5.56 NATO 16″ Barrel, 1/7 twist, 4150 CrMoV, QPQ, gas port drilled Mid-length gas system, .0785 gas port M4 Feed Ramp Extension HP and MPI tested Standard A2 flash hider 18″ 5.56 Rifle Length Barrel Features: 5.56 Nato 18″ Rifle Length Barrel 4150 CrMoV w/ QPQ finish 1/7 twist .750 gas block journal Rifle length gas system M4 Feed Ramp Extension HP and MPI tested Standard A2 flash hider