Aero Precision M5 (.308) Stripped Lower Receiver, Anodized Black

SKU# 2036 | by Aero Precision
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The Aero Precision M5 .308 Stripped Lower Receiver helps you build a big-bore AR from the ground up. Mil-spec dimensions and coating ensure the highest quality and correct component interface.

don't forget to buy an Aero Precision M5 (.308) Lower Parts Kit. This LPK is specifically designed to work with the M5 Lower Receiver and includes custom takedown and Pivot Pins as well as an extended magazine catch button.


  • Works with standard AR 308 components and magazines
  • Upper Tension Screw - Allows users to fine tune the fit of the upper and lower receiver through the use of a nylon tipped tensioning set screw inserted in the grip tang of the lower receiver.
  • Rear takedown pin detent hole is threaded for a 4-40 set screw
  • Bolt catch is threaded for a screw pin (no roll pin needed)
  • Integrated trigger guard
  • Selector markings will work with 45, 60 or 90 degree safety selectors
  • Accepts Battle Arms Development short throw safety selectors, but will work with any standard selector
  • No gap with aftermarket pistol grips


  • Stripped M5 (.308) Lower Receiver in Anodized Black
  • Nylon tipped tensioning set screw 
MATERIAL Machined from 7075-T6 forged aluminum
FINISH Anodized Black
MARKINGS "Cal Multi"
COMPATIBILITY Works with standard AR 308 components and magazines
WEIGHT(S) 12 oz
OTHER Includes upper tension screw

Federal law requires that you be 21 years or age or older to purchase a stripped receiver or frame. If a frame or receiver can only be made into a long gun (rifle or shotgun), it is still a frame or receiver not a handgun or long gun. However, they still are "firearms" by definition, and subject to the same GCA limitations as any other firearms. See Section 921(a)(3)(b). 18 U.S.C. Section 922(b)(1) makes it unlawful for a licensee to sell any firearm other than a shotgun or rifle to any person under the age of 21.

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Thomas M.
United States

.308 aero lower

Great price fast shipping and looks great

John S.
United States

Real Nice

As Described, Aero Precision Uppers and Lowers Are Great Quality, But Not There Parts Kits !!!

George C.
United States

magazine fit

It went together well. I paired it with a Aero Precision upper in 6.5 creedmoor upper and it seems particular about what magazine would work in it. DPMS magazines would not mount while Brownell magazines seen to fit. I could not find any magazines specifically for the 6.5 . I have ordered some Magpul magazines to see if they fit better.

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