Aero Precision M4E1 Threaded 5.56 w/ ATLAS S-ONE Handguard

Specifications

Features:

• M4E1 Threaded Upper Receiver Features:
• New enhanced forging that gives the upper receiver a inbillet lookin
• 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 oclock positions
• Compatible with low profile gas blocks
• 1.3 Inside diameter
• 1.5 Outside diameter
• Compatible with mil-spec AR15 upper receivers and barrels
• Learn More about our NEW ATLAS S-ONE Hanguards
• 20in 5.56 Rifle Length CMV Barrel Features:
• 5.56 NATO 20in Rifle Length
• 1/7 twist
• 4150 CrMoV
• QPQ
• gas port drilled
• .750 gas block journal
• Government Profile
• Rifle length gas system
• .0785 gas port
• M4 Feed Ramp Extension
• HP and MPI tested