Aero Precision M4E1-T Threaded 18" 5.56 AR 15 Upper Assembly
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Aero Precision M4E1-T Threaded 18″ 5.56 AR 15 Upper Assembly
The AERO Precision M4E1-T 18″ 5.56 AR 15 Upper comes with the new ATLAS-S ONE M-LOK Handguard. AERO Precision’s ATLAS-S ONE handguard is designed to be lightweight without sacrificing size or overall strength. Boasts the slim profile AERO Precision ATLAS attachment system that is durable and a dependable mounting platform that customers have grown to love.
Complete Upper Assembly Includes:
- M4E1 Threaded Assembled Upper Receiver
- ATLAS S-ONE Handguard of choice
- 18″ 5.56 Rifle Length CMV Barrel
- Low Profile Gas Block and Rifle Length Gas Tube
- Product comes assembled
- This complete upper does not include the BCG or the Charging Handle.
M4E1 Threaded Upper Receiver Features:
- New enhanced forging that gives the upper receiver a “billet look”
- New picatinny profile that blends seamlessly with our Enhanced Series Handguards
- M4 Feed Ramps
- .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 the center of the top rail for weight reduction
- Indexing grooves in the 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
- Shop for the NEW ATLAS S-ONE Hanguards
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
Specifications
- Made in America
- Platform: AR-15
- Series: ATLAS S-One
- Caliber: 5.56 NATO
- Barrel Length: 18″
- Weight: 67 oz +/-
| Weight | 64 oz |
|---|---|
| Dimensions | 4 × 4 × 30 in |
| Barrel Finish | Nitride / Melonite |
| Barrel Profile | Government / SOCOM |
| Cartridge Compatibility | 5.56 NATO |
| Barrel Length | 18 |
| Gas System Length | Rifle |
| Twist Rate | 1:7 |
| BCG / Charging Handle | Not Included |
Compliance
NFA (National Firearms Act) compliance is crucial for legal ownership and transfer of regulated firearms and accessories like short-barreled rifles, suppressors, and certain types of ammunition, ensuring adherence to federal regulations to avoid legal penalties and ensure responsible firearm ownership.
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