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M5 STRIPPED LOWER RECEIVER FOR AR .308 Reviews & Ratings

Aero Precision's 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. Their 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.

FEATURES:

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

SPECS

Platform: M5
Material: Machined from 7075-T6 forged aluminum
Markings: "Cal Multi"
Weight(s): 12 oz
Other: Includes upper tension screw

INCLUDES:

Stripped M5 (.308) Lower Receiver in Anodized or Cerakote
Nylon tipped tensioning set screw

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Reviews Summary

Customer feedback on the M5 Stripped Lower Receiver for AR .308 highlights its solid quality and great pricing, with many praising the fit and features. However, issues with customer service and compatibility with DPMS parts, particularly the magazine catch, have led to frustrations among some buyers. Overall, the product is well-regarded among enthusiasts despite a few quirks.

What Reviewers Are Saying

Product Quality

75%

The product is highly praised for its quality construction, seamless fit with other components, and useful features like threaded detents. Many reviewers noted the clean finish and detailed machining, contributing to a positive overall impression of Aero Precision products.

Pricing and Value

60%

Many users highlight the competitive pricing of the M5 Lower Receiver, especially when purchased during sales. Reviewers believe the quality justifies the expense, making it a desirable option over pricier alternatives.

Customer Service

35%

There are significant complaints regarding Aero Precision's customer service, particularly in communication and order fulfillment. A number of customers expressed frustration over lack of response regarding issues related to their orders, impacting their overall experience.

Compatibility Issues

40%

Several reviewers reported problems with the compatibility of the M5 Lower with certain DPMS parts, particularly concerning the magazine catch. Many suggested using Aero-specific parts to avoid these complications, highlighting a need for clearer product specifications.

Build Experience

70%

Users generally report positive experiences during the assembly of their AR builds using the M5 Lower Receiver, citing ease of installation and alignment. While some encountered minor fitting challenges, many agreed the overall build experience was smooth and satisfactory.

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Mag release won't fit properly

Looks good. However a standard AR-15, AR-308 magazine release will not fit properly. The dimensions are too thick. The mag catch will only reach through the receiver just enough to thread into the button two turns. This leaves only half the normal amount of the button exposed for depressing. Also there is exposed threads in the button as the mag catch does not thread in completely to fill the hole. Something is out of spec and a normal magazine catch is not long enough to fit properly.