Aero Precision M5E1 Enhanced .308 Win AR-10 Rifle | 20-Inch Fluted Barrel, ATLAS S-ONE Handguard, Magpul PRS Lite Stock
This Aero Precision M5E1 Enhanced Series rifle brings together a 20-inch fluted heavy barrel, the rigid ATLAS S-ONE free-float handguard, and ambidextrous controls in a single, purpose-built .308 Winchester package. Built on the M5 AR-10 platform and finished in Type III hard-coat anodizing, it offers a strong foundation for precision shooting or distance training while maintaining modularity for accessories.
Condition
Overall Condition: Fair – shows extensive signs of prior use and handling.
Bore Condition: Excellent – clean, mirror finish, no signs of wear.
Bore Rifling: Excellent – sharp lands and grooves.
Specific Condition Notes: The rifle is fitted with an incorrect buffer tube that prevents full travel of the bolt-carrier group and can cause feeding malfunctions. Replacing the buffer tube is recommended before use.
What’s Included
- Aero Precision M5E1 Enhanced Series .308 rifle
- Magpul PMAG 10 LR/SR Gen M3 magazine (10-round, polymer)
- Adjustable rifle bipod (M-LOK mounted)
The Enhanced M5E1 upper receiver integrates the handguard mounting surface, eliminating the traditional barrel nut and adding rigidity for improved accuracy. Paired with the 15-inch ATLAS S-ONE handguard, shooters get a slim, free-float rail with M-LOK slots, dual taper-lock wedges, and an integral QD sling cup.
The 20-inch, 4150 CMV heavy barrel is fluted to reduce weight while keeping heat dispersion consistent. A rifle-length gas system, low-profile adjustable gas block, and 5/8-24 muzzle threads let users fine-tune recoil and mount preferred devices.
Controls are ambidextrous, including a bronze-anodized charging handle and 90-degree selector, making the rifle comfortable for both right- and left-hand shooters. The Magpul PRS Lite stock delivers length-of-pull and comb-height adjustments without the bulk of a full-size precision stock, while the Magpul MOE grip provides a familiar interface.
Forged from 7075-T6 aluminum and finished in black Type III hard-coat anodizing, the receivers accept SR-25/DPMS-pattern magazines for broad compatibility. Overall length adjusts from 38.5 to 40 inches, giving shooters room to tailor fit and balance.