Aero Precision M4E1 .300 HAM’R 16″ W.C. Barrel AR-15 Semi Auto Rifle
SOLD FOR: $1,076.69
LSB#: LSB250517GW002
Make: Aero Precision
Model: M4E1
Serial Number: M40283930
Year of Manufacture: Modern
Caliber: .300 HAM’R
Action Type: Semi-Automatic, Direct Gas Impingement
Markings: The left side of the receiver is marked “MOD M4E1 / CAL MULTI / M4-0283930 / AERO PRECISION LLC / TACOMA, WA”. The right side of the lower has the Aero Precision logo.The pistol grip says “REPTILIA” on the left side and “MADE IN USA” on the right. The right side of the stock reads “RECCE MADE IN USA”, and the left reads “REPTILIA”. The bolt carrier is marked with an “A” and the bolt is marked “MPI”. The charging handle reads AERO PRECISION BREACH”. The handguard is marked “ATLAS S-ONE / PATENT PENDING / AERO PRECISION, LLC TACOMA, WA”. The underside of the barrel reads “WILSON COMBAT 300 HAM’R 1-15 WC”. The muzzle device is marked “WILSON COMBAT”. The magazine is marked “ASC NEW BRITAIN CT” on the bottom. The scope is marked “Leupold / VX-5HD”.
Barrel Length: 16”, 18” with the three prong flash hider, Wilson Combat fluted barrel
Sights / Optics: There are no provisions for iron sights. A Leupold / VX-5HD scope is mounted to the 5 inches of picatinny atop the upper receiver.
Modifications:
- Leupold / VX-5HD scope
- Aero Precision Atlas S-One handguard
- Aero Precision Breach charging handle
- Aero Precision bolt carrier group
- Wilson Combat 16” fluted barrel
- Wilson Combat Accu-Tac 3 prong flash hider
- Reptilia pistol grip
- Reptilia Recce folding stock
- CMC single stage trigger
Stock Configuration & Condition: The handguard is a 15” Samson Evolution. Rifle Length Gas System. The pistol grip is a Magpul polymer pistol grip with checkering and serrations. The buttstock is a Magpul CTR stock with a grippy recoil pad. The LOP measures 10.25”-13.5” from the front of the trigger to the back of the buttplate. There is minimal wear on the stock. The stock rates in about Excellent overall condition.
Type of Finish: Black
Finish Originality: Original
Bore Condition: The bore is bright and the rifling is sharp. There is no erosion in the bore. In this writer’s opinion the bore rates 9/10.
Overall Condition: This rifle retains about 99% of its metal finish. There is light operational wear from normal use on this firearm. The screw heads are sharp. The pins are clean. The markings are clear. Overall, this rifle rates in about Very Good to Excellent condition.
Mechanics: The action functions correctly. We did not fire this rifle. As with all used firearms, a thorough cleaning may be necessary to meet your maintenance requirements.
Box, Paperwork & Accessories: 1x 20 round ASC magazine
Our Assessment: The Aero Precision M4E1 chambered in .300 HAM’R is a robust and purpose-driven AR-style rifle designed for heavy-hitting performance in a compact package. It features a 16-inch Wilson Combat barrel known for its precision and longevity, paired with Aero Precision’s modular M4E1 forged receiver set that offers enhanced rigidity and accessory mounting options. The carbine-length gas system ensures reliable cycling, and accuracy is further refined by a CMC single-stage trigger offering crisp, predictable breaks. Ergonomics are enhanced by a Reptilia RECCE stock—adjustable and feature-rich for improved handling—while the Aero Precision Breacher-style charging handle offers ambidextrous operation and added control under stress. Together, these components deliver a compact, accurate, and aggressive rifle suitable for tactical applications, hunting with tough straight-wall cartridges, or any demanding shooting scenario. Make sure to inspect our detailed pictures to get a better idea of the firearm. -C.R.
