The Anderson Manufacturing AR-15 Pistol Complete Lower Receiver is a serialized AR-15 lower receiver assembly chambered and marked for .223 Rem/5.56 NATO multi caliber use. It is machined from 7075-T6 aluminum and comes assembled with a complete lower parts kit. The lower is configured as a pistol lower with a black finish. 
 

Key Specifications 

• Brand: Anderson Manufacturing 
• Caliber: .223 Rem/5.56 NATO (Multi Caliber Marked) 
• Action: Semi Auto 
• Color/Finish: Black 
   

Detailed Features 

• 7075-T6 aluminum receiver 
• Complete lower parts kit included 
• Pistol lower configuration 
• Multi caliber marked (.223 Rem/5.56 NATO) 
• Black finish

Buyers of the Anderson pistol lower appreciate the value proposition: a complete lower parts kit installed on a serialized receiver at a competitive price. Anderson Manufacturing is well known in the AR builder community for consistent dimensions and compatibility with standard AR-15 uppers.

The 7075-T6 aluminum construction gets positive mentions for durability. Some builders note that the lower parts kit included is functional but basic, and prefer to replace the trigger group with an aftermarket option for a cleaner break.

On fit and finish, opinions are mixed. Most builders report the lower fits standard mil-spec uppers without issue, but some note cosmetic inconsistencies that don't affect function. The pistol lower configuration is popular for AR pistol builds, though buyers should understand the legal implications of adding a stock to a pistol lower.