The Armalite M15 Tactical Rifle is a semi-automatic AR-15 chambered in 5.56x45mm NATO (.223 Rem). It uses direct impingement operation, comes with a 30-round magazine, and weighs 7 lbs with a 16-inch barrel. 
 

Key Specifications 

• Model: M15 Tactical Rifle 
• Caliber: 5.56x45mm NATO (.223 Rem) 
• Action: Direct Impingement Semi-Automatic 
• Capacity: 30 rounds (includes one magazine) 
• Barrel Length: 16 inches 
• Overall Length: 33.3" (collapsed) / 36.6" (extended) 
• Weight: 7 lbs. 
• Finish: Black Hardcoat Anodized on upper/lower receiver 
• Receiver Material: Forged 7075 T6 Aluminum 
   

Detailed Features 

 
The two-stage precision trigger gives better control during follow-up shots. An ambidextrous safety allows left or right-handed operation. Magpul MBUS backup sights front and rear come standard. The Magpul STR collapsible stock adjusts through six positions. A flash hider reduces visible muzzle flash in low-light conditions. The forged 7075 T6 aluminum upper and lower receivers keep weight down while handling hard use. 
 

Usage 

 
The 16-inch barrel balances maneuverability and accuracy for a variety of uses -- home defense, three-gun competition, and range work all fit the platform. The modular rail system accommodates optics and accessories without specialized mounting hardware.

The Armalite M15 Tactical in 5.56 NATO gets positive feedback for build quality and reliability. Owners generally find it solid and describe it as performing well under a variety of conditions. The 16-inch barrel is noted as a good balance between handling and accuracy.

The 30-round capacity and modularity come up frequently as positives. Users enjoy the ability to add optics, lights, and grip accessories without much hassle.

Some shooters find it slightly heavier than other AR-15s at 7 lbs, which can matter during extended use. Occasional comments mention that initial sight or optic adjustments are needed to get on target, which is typical for any new AR.