This specific component is a rifle barrel manufactured by Daniel Defense, chambered for the .300 AAC Blackout (also known as .300 BLK or 7.62x35mm) cartridge, and measuring 14.5 inches in length. This length is significant as it is the minimum barrel length allowable for rifles under the National Firearms Act without requiring special registration. The .300 Blackout cartridge, originally designed for use with short-barreled rifles, offers excellent ballistic performance in suppressed configurations and provides substantial stopping power in a compact package.
The combination of manufacturer, chambering, and length signifies a popular choice among enthusiasts and professionals for its balance of performance, maneuverability, and legal compliance. Daniel Defense is known for high-quality manufacturing and adherence to strict military specifications. The .300 Blackouts versatility for both supersonic and subsonic ammunition broadens the potential applications, from close-quarters combat to hunting. The 14.5-inch length provides a practical compromise between a compact platform suitable for close-quarters engagements and a longer barrel for enhanced ballistic performance.