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Aero Precision M4E1 Barreled Upper, 16" 5.56 Mid-Length Barrel, 15" M-LOK ATLAS S-ONE
Aero Precision M4E1 Barreled Upper, 16" 5.56 Mid-Length Barrel, 15" M-LOK ATLAS S-ONE
Description
Aero Precision M4E1 Barreled Upper, 16" 5.56 Mid-Length Barrel, 15" M-LOK ATLAS S-ONE
This assembled upper includes the 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'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.
Includes:
- M4E1 threaded upper receiver
- Forged 7075-T6 aluminum
- Assembled forward assist and dust cover
- 15” ATLAS S-ONE M-LOK handguard
- Hardcoat anodized
- 16” 5.56 NATO barrel
- Machined from Chrome Moly Vanadium
- Mid-length gas system
- 1:7 twist rate
- Threaded 1/2x28
- A2 flash hider
- Salt Bath Nitride finished
The muzzle brake that comes with this upper receiver is NOT pinned nor welded to this barrel.
This upper does not include BCG or Charging Handle.
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-Length Barrel Features:
- 5.56 NATO 16" Midlength, 1/7 twist, 4150 CrMoV, QPQ, gas port drilled
- .750 gas block journal
- Mid-length gas system, .0785 gas port
- M4 Feed Ramp Extension
- HP and MPI tested
- Standard A2 flash hider