Remington UMC .223 Remington ammunition (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-ammo line, loaded on brass cases to consistent SAAMI specifications for reliable function through high-volume shooting. In rifle ammunition, this is the case that keeps a range day running without breaking the budget.

Key Specifications

• The chambering is .223 Remington/5.56 NATO, running in any rifle chambered for either round.
• The bullet is a 55-grain full metal jacket, standard weight for AR-platform range ammo.
• This load belongs to Remington’s UMC line, the brand’s value-priced range and training ammunition.
• The case is brass, reloadable and reliable through both bolt and semi-auto actions.
• A box ships at about 0.6 lb, a manageable addition to any order.
• Each box holds 20 rounds, sized for a range session without committing to a full case.
• At roughly $0.67 per round, it’s priced for regular range and training use.
• Remington builds UMC specifically for high-volume, reliable range shooting, not for hunting or precision work.

Frequently Asked Questions

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

What’s the difference between .223 Remington and 5.56 NATO? 5.56 NATO runs slightly higher chamber pressure; a rifle marked 5.56 or .223 Wylde safely fires both, while a .223 Remington-only chamber should stick to .223-labeled ammunition.

Buy Remington UMC .223 Rem 55gr FMJ Ammo

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.