Faxon Firearms ION Ultralight Complete Upper – 5.56 NATO

Description

The Faxon Firearms ION Ultralight Complete Upper is a ready-to-fit AR-15 complete upper built for reduced weight and dependable operation in 5.56 NATO/.223 Rem platforms. It combines a pencil-contour steel barrel with a nitride finish, a 13-inch carbon-fiber M-LOK handguard, and a forged upper receiver. The assembly includes a lightweight Gunner bolt carrier group, ambidextrous charging handle, and an adjustable gas block for tuning gas flow. Designed for shooters who value light weight and durable materials, this upper suits range use and precision-oriented builds.

Key Specifications

• The caliber/cartridge is .223 REM/5.56 NATO.
• The barrel material is steel with a nitride finish.
• The contour is a pencil profile.
• The handguard is a 13-inch carbon fiber M-LOK unit.
• The receiver is a forged upper.
• Includes a lightweight Gunner bolt carrier group and an ambidextrous charging handle.
• Features an adjustable gas block for gas system tuning.
• The listed weight is approximately 3.1 lbs.
• Intended fitment is for AR-15 platforms.
• Manufacturer designation and origin: Faxon Firearms — Made in the USA.

This ION Ultralight upper brings a focused combination of reduced weight, modern materials, and practical features for serious AR-15 builds. Its carbon-fiber handguard and nitride-treated steel components keep mass low while maintaining structural durability, and the included bolt carrier group and charging handle make it straightforward to install on a compatible lower. For shooters assembling a lightweight, dependable 5.56 platform for the range or precision-focused outings, this complete upper balances performance-oriented features with factory-level integration.

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