Aero Precision M5 AR-10 Custom Semi-Auto Rifle in .308 Win with 18" Barrel and ATLAS S-ONE M-LOK Handguard
This Aero Precision M5 is a custom-configured AR-10 platform semi-auto rifle chambered in .308 Win. It features an 18" barrel, a direct impingement action, and an Aero Precision ATLAS S-ONE M-LOK free-float handguard. Notable build components include an Aero Precision BREACH ambidextrous charging handle, a Magpul ACS adjustable carbine stock, and a Magpul K2 XL pistol grip, along with a flat-top upper with a full-length Picatinny rail.
Condition
Overall Condition: Good condition, showing some signs of prior use and handling.
Bore Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: This firearm is in solid functional shape. There are scratches and blemishes present. The bore is clean and shiny. The dust cover retention is marred.
What’s Included
- 4x 25-round magazines
- 1x 10-round magazine
The rifle is receiver-marked "AERO PRECISION" with location markings for Lakewood, WA, and model markings "MODEL M5" with "CAL MULTI." The build includes an Aero Precision ATLAS S-ONE M-LOK handguard with Aero markings and ATLAS S-ONE marking text, along with a "PATENT PENDING" marking.
Up top, the upper receiver provides a flat-top full-length Picatinny rail. The ejection port cover is present, and the dust cover retention shows marring as noted in the condition section.
Controls and furniture on this example are set up with an Aero Precision BREACH ambidextrous charging handle and Magpul furniture, including an ACS adjustable carbine stock and a K2 XL pistol grip. Length of pull is listed at 12.5.
The rifle is equipped with a birdcage-style muzzle device and is paired with Magpul PMAG LR/SR Gen M3 Window polymer magazines, with packaging visible in photos as noted in the provided information. Capacity is listed at 25+1.




