Aero Precision X15 Gen 2 Custom AR-15 Semi-Auto Rifle 5.56mm NATO 16-inch
This Aero Precision Model X15 Gen 2 is a custom-assembled AR-15 configuration built around an Aero Precision X15 lower receiver. It is chambered in 5.56mm NATO with a 16-inch barrel and a direct impingement action. Notable build details include a free-float M-LOK-style handguard, a flat-top upper with a Picatinny top rail and T-number index markings, and a B5-marked collapsible carbine-style stock.
Condition
Overall Condition: Excellent condition, showing only faint signs of any prior use or handling.
Metal Condition: Excellent condition, showing only faint signs of any prior use or handling.
Wood Condition: Excellent condition, showing only faint signs of any prior use or handling.
Bore Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Action Condition: Excellent condition, showing only faint signs of any prior use or handling.
Overall Mechanical Condition: Excellent condition, showing only faint signs of any prior use or handling.
Specific Condition Notes: There are minor scuffs and light wear from prior handling.
What’s Included
- 1x 30-round Magpul PMAG AR/M4 Gen M3 windowed polymer magazine
This rifle is built on an Aero Precision X15 lower receiver marked with the stylized "A" logo, "MODEL X15," and "CAL MULTI," with right-side markings reading "AERO PRECISION" and "LAKEWOOD, WA" along with selector pictograms. It is a Gen 2 X15-series lower, used here as the foundation for a mixed-component custom AR-15 assembly.
The upper is a flat-top configuration with a Picatinny top rail and T-number index markings, providing consistent reference points along the rail. A dust cover/ejection port cover is present.
Up front, it features a free-float handguard with M-LOK-style slots and rail capability for mounting compatible accessories. The rifle is fitted with a 16-inch barrel with partial markings showing "5.56" and "N..." near the muzzle, along with a muzzle device featuring multiple longitudinal ports/slots.
Ergonomics are set up with a B5-marked collapsible carbine-style stock and a textured polymer pistol grip. Length of pull is listed at 13.25, and the rifle is configured to feed from standard-capacity magazines with a stated capacity of 30+1.




