TacFire SSBU55616 | AR-15 Complete Upper | 5.56 NATO 16″

Built for AR-15 platforms, this TacFire complete upper is chambered in .223 REM/5.56 NATO and fitted with a 16″ threaded barrel that has a 1:8 twist rate. The upper ships complete with a Bolt Carrier Group and Charging Handle and uses an M-LOK handguard for secure accessory mounting. The barrel carries a Black Nitride finish and the unit is described as made in the USA.

Product Specifications

• The manufacturer is TacFire.
• The model/part number is SSBU55616.
• The caliber/gauge is .223 REM/5.56 NATO.
• The action field is listed as .223 REM/5.56 NATO in the source data.
• The barrel length is 16″.
• The rate of twist is 1:8.
• The barrel finish is Black Nitride.
• The handguard style is M-LOK.
• The handguard finish is Black.
• The upper includes a Bolt Carrier Group and a Charging Handle.
• The product is described as made in the USA.
• The category is AR15 Uppers.
• The UPC is 729205658860.

This TacFire complete upper provides a straightforward, ready-to-install option for AR-15 builders who need a 5.56 NATO upper with a 16″ threaded barrel and M-LOK accessory mounting. Its Black Nitride barrel and included BCG and charging handle simplify assembly and initial use while the 1:8 twist supports a wide range of common 5.56/.223 projectiles. Consider this upper if you are pursuing a reliable component set for a general-purpose AR-15 build or a lightweight range-oriented configuration.