The CMMG FOB AR-15 rifle, part number 55A1F0B-AB, is a semi-automatic platform chambered in .223 Remington and 5.56 NATO. Built for versatile range use and dependable performance, this rifle features a 16.1-inch black nitride barrel with a 1:7 twist rate, supporting a broad selection of compatible ammunition. Its black synthetic furniture and black-finished metal components provide a practical configuration for training, recreational shooting, and general-purpose use. This firearm is intended for sale and transfer only in accordance with applicable federal, state, and local laws, including all required dealer and background-check procedures.
The rifle is equipped with a CMMG Zeroed muzzle brake to help manage muzzle movement during firing. A Picatinny rail on the receiver provides a foundation for compatible optics and accessories, while the ambidextrous configuration accommodates a wide range of shooting positions and user preferences. The rifle uses a detachable magazine with a listed capacity of 30 rounds and includes a recoil pad for added shooting comfort. The Mil-Spec single-stage trigger delivers a familiar control layout for users accustomed to modern sporting rifle platforms.
With an overall length of 36.5 inches and a weight of 6.5 pounds, the CMMG FOB offers a balanced setup for handling at the range. The rifle does not include fixed sights, allowing the user to configure the receiver rail with an optic or sighting system suited to their needs. Combining a durable black nitride barrel, practical synthetic furniture, ambidextrous controls, and a modern accessory-ready receiver, the CMMG 55A1F0B-AB provides a straightforward AR-15 configuration from CMMG’s FOB series. Always verify local regulations, magazine restrictions, and compatibility before purchase or use.
Features:
- Brand: CMMG
- Part Number: 55A1F0B-AB
- Series: FOB
- Caliber: .223 Remington/5.56 NATO
- Action: Semi-automatic
- Barrel Finish: Black nitride
- Barrel Length: 16.1 inches
- Rate of Twist: 1:7
- Muzzle Device: CMMG Zeroed muzzle brake
- Receiver: Picatinny rail
- Magazine: Detachable, 30-round capacity
- Controls: Ambidextrous
- Trigger: Mil-Spec single stage
- Stock Material: Synthetic
- Stock Color: Black
- Overall Length: 36.5 inches
- Weight: 6.5 pounds
- Sights: Not included
