Aero Precision AR15 Complete Upper with 12.5" 5.56 Carbine Length Barrel & 10.3" ATLAS R-ONE Handguard - Sniper Grey Anodized with Stripped Lower Receiver - APSL100561S

Aero Precision APSL100561S: The R-ONE line of handguards are designed with size and weight in mind, providing the perfect addition to your lightweight build. Areo 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. This complete upper does not include BCG or Charging Handle. 

INCLUDES:

• AR15 Stripped Lower Receiver in Sniper Grey Cerakote
• AR15 Assembled Upper Receiver in Anodized Black
• 10.3" ATLAS R-ONE M-LOK Handguard in Sniper Grey Cerakote
• 12.5" 5.56 CMV Barrel, Carbine Length
• Low Profile Gas Block and Carbine Length Gas Tube
• VG6 GAMMA 556 Muzzle Device
• Product comes assembled
• The muzzle brake that comes with this complete upper receiver is NOT pinned nor welded to this barrel.

AR15 ASSEMBLED UPPER RECEIVER FEATURES:

• M4 Feedramps
• .250 takedown pin holes
• Includes port door and forward assist installed

ATLAS R-ONE HANDGUARD FEATURES:

• Full top picatinny rail
• 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

12.5" 5.56 BARREL FEATURES:

• 5.56 Nato 12.5" Barrel, 1/7 twist, 4150 CrMoV, QPQ, gas port drilled
• Government Profile
• .750 gas block journal
• Carbine length gas system, .0785 gas port
• M4 Feed Ramp Extension
• HP and MPI tested