Faxon Firearms Sentry-X FX5216X .223 Rem/5.56 NATO

The Faxon Firearms Sentry-X (FX5216X) is part of Faxon's Summit Line, engineered for consistent performance on the range and dependable operation in defensive scenarios. Its configuration balances modern ergonomics with service-oriented features to suit training, target work, and general-purpose use.

Built on an enhanced forged receiver set with a tensioning screw, the Sentry-X pairs upgraded furniture with a Rise Armament-sourced Faxon trigger to deliver a refined interface for the shooter. Ambidextrous charging and safety controls provide usability for right- and left-handed operators, while a nitride-treated bolt carrier group supports corrosion resistance and durability.

Key Specifications

• The caliber is .223 Rem/5.56 NATO.
• The barrel length is 16 inches, offering a balance between accuracy and maneuverability.
• The handguard is 15-inch M-LOK for accessory mounting and modularity.
• The overall length is 34 inches.
• The weight is 5.63 lbs.
• The capacity is 30 rounds and the rifle uses a detachable magazine.
• The action is Semi-Auto.
• The rate of twist is 1:8.
• The stock material is synthetic and the stock color is black.
• The rifle includes a nitride M16 BCG with superfinish and a Faxon trigger by Rise Armament.

With its Summit Line pedigree and practical feature set, the Faxon Firearms FX5216X Sentry-X provides reliable .223 Rem/5.56 NATO performance for range and defensive roles. Buy the Faxon Firearms FX5216X Sentry-X .223 Rem/5.56 NATO online today for a modern AR-style rifle option.