Aero Precision M4E1 .300 AAC Blackout AR Pistol, 10.5-inch Barrel, Free-Float M-LOK Handguard, SB Tactical Brace
This Aero Precision M4E1 AR pistol is a compact .300 AAC Blackout build centered on Aero's enhanced M4E1 architecture. It features a 10.5-inch barrel, a free-float aluminum M-LOK handguard with a continuous top Picatinny rail, and an SB Tactical stabilizing brace. The pistol shows very good overall condition with an excellent bore and comes with a 30-round Hexmag polymer magazine.
Condition
Overall Condition: Very good condition, showing only light, superficial signs of prior handling or use.
Bore Overall Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: This Aero M4E1 pistol shows minimal evidence of prior handling, with slight cosmetic markings on the exterior. It remains in excellent working order and functions as intended. Any minor surface wear does not affect performance or reliability. Please refer to the photos for a closer look at its condition.
What’s Included
- Aero Precision M4E1 .300 AAC Blackout AR pistol with 10.5-inch barrel
- 1x 30-round Hexmag polymer AR-15 magazine (hex-pattern body)
The M4E1 platform provides Aero Precision’s enhanced lower receiver features, including an integral trigger guard and a flared magwell for fast, consistent reloads. The receiver set is aluminum with a matte black anodized finish for a clean, uniform look.
Its free-float aluminum M-LOK handguard offers modern accessory attachment points while maintaining rigidity. A full-length 12 o'clock Picatinny rail runs across the top for mounting sights or other compatible accessories.
The pistol uses a direct-impingement AR-15 operating system in .300 AAC Blackout, paired with a 10.5-inch barrel for a compact, maneuverable profile. A fluted linear compensator/flash-can style muzzle device is installed at the muzzle.
Ergonomics and control are rounded out with an SB Tactical stabilizing brace on a pistol receiver extension and a Magpul MOE pistol grip. The package includes a 30-round Hexmag, bringing stated capacity to 30+1.