Remington UMC .223 Rem 55gr FMJ ammunition (brand part no. 23711) loads a 55-grain full metal jacket bullet, the standard range and training round for AR-platform rifles from one of the oldest names in American ammunition. Remington builds UMC as its value range line, loaded on brass cases to consistent SAAMI specification for reliable function through high-volume shooting. Among rifle ammunition, this is the box that keeps a range day running without breaking the budget.

Key Specifications

• The chambering is .223 Remington, loaded to SAAMI specification.
• The bullet is a 55-grain full metal jacket, the standard weight for AR-platform range ammo.
• The cases are brass, reloadable and reliable through bolt and semi-auto actions alike.
• This load belongs to Remington’s UMC line, the brand’s value-priced range and training ammunition.
• Each box holds 20 rounds.
• Built for high-volume range and training use rather than hunting or precision work.

Frequently Asked Questions

Is this safe to shoot in a 5.56 NATO rifle? Yes. This is a .223 Remington SAAMI-spec load, safe in rifles chambered for .223 Remington, .223 Wylde, or 5.56 NATO.

Is UMC ammo reliable in an AR-15? Yes, it’s a widely used range and training load built for consistent cycling in AR-platform rifles.

Buy Remington UMC .223 Rem 55gr FMJ

A dependable brand and a straightforward FMJ load make UMC the easy call for range day. Order from our Lubbock, Texas gun shop and it ships fast to your door.