CMMG F-Marked Front Sight Base Assembly

CMMG F-Marked Front Sight Base Assembly

This is a genuine CMMG front sight base assembly designed for AR-15 platform rifles. The "F" marking indicates this is a proper A2-style triangular front sight base, a configuration trusted by shooters for decades.

Key Features

• F-marked A2 triangular front sight base for authentic AR-15 ergonomics
• Compatible with .750" diameter gas journals approximately 2 inches in length
• Includes front sight post ready to install
• Integrated sling loop for traditional rifle carry options
• Taper pins not included — you'll need to source these separately for installation

What You're Getting

This assembly combines the gas block and front sight into one integrated unit, a common configuration on modern AR-15 rifles. The F-marking ensures proper sight height and geometry for standard AR-15 optics mounting and iron sight use.

The .750" gas journal diameter is standard on most modern AR-15 barrels, making this a versatile choice for rifle builds and upgrades. Installation requires taper pins, which are inexpensive and widely available from firearms suppliers.

Ideal For

• AR-15 rifle builds and upgrades
• Shooters preferring traditional A2-style front sights
• Those seeking a quality integrated gas block and sight solution