The Anderson AM-15 is an AR-pattern pistol chambered in .300 AAC Blackout with a 10.5-inch threaded barrel and a Magpul BSL pistol brace. It ships with a 30+1 round capacity and a black finish throughout. The 10.5-inch barrel and pistol configuration make this a compact package for the .300 Blackout cartridge. 
 

Key Specifications 

• Brand: Anderson Manufacturing 
• Model: AM-15 
• Caliber: .300 AAC Blackout 
• Action: Semi Auto 
• Barrel Length: 10.5 in 
• Capacity: 30+1 
• Color/Finish: Black 
   

Detailed Features 

• 10.5-inch threaded barrel 
• Magpul BSL pistol brace included 
• 30+1 round capacity 
• AR-15 pattern lower and upper receivers

Owners of the Anderson AM-15 in .300 Blackout generally appreciate the value proposition: an AR-pistol platform at a price point below most name-brand options. The fit and finish are functional rather than refined, which is the consistent tradeoff buyers accept going in.

The Magpul BSL brace is a practical inclusion and gives the pistol a stable shooting platform. The 10.5-inch barrel length pairs well with subsonic .300 Blackout loads, and owners running suppressors on the threaded barrel note it cycles reliably with both sub and supersonic ammunition.

The AM-15 gets mixed marks on out-of-box quality control; most units run fine but occasional fit issues are reported. Customer service feedback is average. For buyers focused on a functional .300 Blackout pistol without a premium price, it fills the role.