The Colt M4A1 SOCOM is a semi-automatic 5.56x45mm NATO carbine with a 14.5-inch barrel (16.5-inch variant also available), four-position collapsible stock, and 30+1 capacity. It weighs approximately 6.95 lbs. (7.8 lbs. variant) with a matte black finish. 
 

Key Specifications 

• Model: M4A1 Carbine SOCOM 
• Caliber: 5.56x45mm NATO 
• Action Type: Semi-Auto 
• Capacity: 30+1 rounds 
• Barrel Length: 14.5 inches (16.5 inches variant available) 
• Weight: Approximately 6.95 lbs (7.8 lbs variant available) 
• Overall Length: Adjustable between 32" to 35.5" 
• Finish: Matte Black 
• Sights: A2 Front & Folding Rear 
   

Detailed Features 

 
The four-position collapsible stock adjusts overall length between 32 and 35.5 inches. Barrel twist rate is 1:7", which stabilizes 62-grain and heavier .223/5.56 loads well. The ambidextrous safety works for left-handed shooters. A2 front and folding rear sights are standard. 
 
The 5.56 NATO chambering is compatible with .223 Remington ammunition. The collapsible stock makes the carbine easy to maneuver in confined spaces.

The M4A1 SOCOM draws positive feedback centered on reliability, accuracy, and Colt's mil-spec history with the platform. Shooters who want a 5.56 carbine with genuine M4 lineage tend to be satisfied customers.

The adjustable stock and 5.56 recoil profile are both mentioned as practical positives. Weight is an occasional discussion point -- some prefer lighter options for extended use, though at 6.95 lbs. it is in a reasonable range for a steel-receiver AR. Price relative to other 5.56 semi-auto carbines comes up consistently; Colt commands a premium for the name and quality, which some buyers accept readily and others debate.