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Aero Precision M4E1 16" 5.56mm ATLAS R-ONE Mid-Length Upper Receiver

KGM R-556I 16" OAL Upper Receiver w/ 5.56mm Integral Suppressor
Aero Precision M4E1 15" Atlas S-ONE M-LOK Complete Upper - 16" - 5.56 NATO
Aero Precision M4E1 15" Atlas S-ONE M-LOK Complete Upper - 16" - 5.56 NATO
Availability: Out of stock
This complete upper receiver incudes an HBAR profile barrel that is laser marked "HBAR".
Includes:
- M4E1 Threaded Assembled Upper Receiver
- 15" ATLAS S-ONE M-LOK Handguard
- 16" 5.56 HBAR barrel
- Low Profile Gas Block and Mid-Length Gas Tube
- Product comes assembled
- This complete upper does not include BCG or Charging Handle. These products may be selected as add-ons under the FINISH YOUR BUILD tab.
M4E1 Threaded Upper Features:
- 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
- 1.3" Inside diameter
- 1.5" Outside diameter
- Compatible with mil-spec AR15 upper receivers and barrels
- MLOK attachment points
16" 5.56 HBAR Barrel
- 5.56 Nato 16" Barrel, 1/7 twist, 4150 CrMoV, QPQ, gas port drilled
- .750 gas block journal
- Mid-Length Gas System
- M4 Feed Ramp Extension
- HP and MPI tested
- Standard A2 flash hider
More Information UPC Code | 840014616442 |
Manufacturer | Aero Precision |
Caliber | .223 Rem |
Barrel Length (in) | 16" |
Rifling | 1:7" |
Accessory Rail | Not Applicable |
Warranty | Warranty provided by product manufacturer. |
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