Aero Precision M4E1 Custom AR-15 5.56 NATO, 16 in Barrel, ATLAS R-ONE M-LOK, Magpul ACS, Muzzle Brake, 60+1
This custom Aero Precision M4E1 AR-15 is built on a matched receiver set with an integrated trigger guard and threaded bolt-catch pin, finished in Type III hard-coat anodized black. It features a 16-inch threaded barrel with an installed multi-port muzzle brake, an Aero ATLAS R-ONE free-float M-LOK handguard, and Magpul ACS furniture. The build is rounded out with a bright/silver-finished bolt carrier and comes with one 60-round magazine plus three 30-round magazines.
Condition
Overall Condition: Excellent condition, showing only faint signs of any prior use or handling.
Bore Overall Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: Light signs of wear and handling are present.
What’s Included
- 1x 60-round American Tactical/Schmeisser S60 polymer magazine
- 3x 30-round aluminum STANAG/USGI-type magazines
- Angled polymer foregrip (installed)
- M-LOK rail cover panels on handguard (installed)
- Multi-port muzzle brake (installed)
Built on the Aero Precision M4E1 receiver set, this rifle uses 7075-T6 aluminum with a Type III hard-coat anodized black finish. The receiver incorporates an integrated trigger guard and a threaded bolt-catch pin. It is a direct-impingement, semi-automatic AR-15 pattern rifle made in the USA.
The 16-inch barrel is threaded and fitted with a multi-port muzzle brake. The upper includes M4 feed ramps and a T-marked top rail. A bright/silver-finished bolt carrier is installed.
An Aero ATLAS R-ONE free-float handguard made from 6061-T6 aluminum provides M-LOK slots with a full-length 12 o'clock Picatinny rail and QD sling sockets. An angled polymer foregrip and M-LOK rail cover panels are installed on the handguard.
Furniture includes a Magpul ACS carbine stock with telescoping adjustment, a friction lock, storage compartments, and a rubber buttpad, plus a Magpul pistol grip. Length of pull is listed at 11.0 inches.
The rifle uses the standard AR-15/STANAG magazine interface and is listed at a 60+1 capacity. No iron sights or optic are included.




