Aero Precision M4E1 Threaded 18" .223 Wylde SS QPQ Complete Upper Receiver with 15" M-LOK ATLAS R-ONE Handguard - Anodized Black - APAR700705M73
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Aero Precision M4E1 Threaded 18″ .223 Wylde SS QPQ Complete Upper Receiver with 15″ M-LOK ATLAS R-ONE Handguard – Anodized Black
This complete upper features the best of the best, including a fluted accuracy-enhancing 223 Wylde chambered and QPQ-treated stainless steel barrel, the acclaimed ATLAS R-ONE Handguard, and the ever-popular and stylish M4E1-Threaded upper receiver.
Fire match accurate 223 Remington specification ammunition while maintaining the safety and reliability capability of 5.56 NATO specification ammunition, a winning combo at whatever contest you enter.
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 R-ONE Handguard Features
- Full top picatinny rail for optional attachments
- 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
- Learn More about our NEW ATLAS Handguards
18″ .223 Wylde Barrel Features
- .223 Wylde 18″ Rifle Length Barrel, 1/8 Twist
- QPQ Corrosion-Resistant Finish
- .750 gas block journal
- Rifle-length gas system
- M4 Feed Ramp Extension
- HP and MPI tested
- Standard A2 flash hider
| Weight | 68.5 oz |
|---|---|
| Dimensions | 31.4 × 16 × 4.4 in |
| Barrel Finish | Nitride / Melonite |
| Barrel Profile | SPR |
| Cartridge Compatibility | .223 Wylde |
| Barrel Length | 18 |
| Gas System Length | Rifle |
| Twist Rate | 1:8 |
| BCG / Charging Handle | Not Included |
| MPN | APAR700705M73 |
| UPC | 840014613205 |
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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