The Centurion Arms CM4 Midweight is a 16-inch AR-pattern rifle chambered in 5.56 NATO that balances durability and manageable weight. It pairs a chrome hammer forged 16-inch barrel with forged CM4 upper and lower receivers, a mid-length gas system and an M-LOK CMR handguard. A Centurion Sandcutter bolt carrier group, an H2 buffer and a B5 Bravo stock complete the build. Centurion lists the base rifle at 6.4 pounds and 32.5 inches overall with the stock collapsed.

Key Specifications

• The barrel is a 16-inch midweight chrome hammer forged design in 5.56 NATO with a 1:7 twist, made from independently certified MIL-SPEC 11595E steel with a chrome-lined bore and chamber.
• The gas system is mid-length with a low profile pinned gas block, which smooths cycling on a 16-inch barrel.
• The handguard is a 13-inch Centurion M-LOK CMR rail, with attachment points for lights, grips and other accessories.
• The bolt carrier group is the Centurion Sandcutter with an E4 tapered lug bolt, built for reliable function.
• The muzzle device is a standard A2 flash hider, and the stock is the B5 Bravo with an H2 buffer and an A2 grip.

Frequently Asked Questions

How much does it weigh and how long is it? Centurion lists the base rifle at 6.4 pounds and 32.5 inches overall with the stock collapsed.

What comes in the box? The rifle ships with one 30-round magazine, a digital USGI manual and Centurion Arms propaganda.

Buy the Centurion Arms CM4 Midweight Rifle, 5.56 NATO, 16-Inch Barrel

The CM4 Midweight is a straightforward, durable 5.56 rifle with a barrel profile that keeps weight in check. Order it from our Lubbock, Texas gun shop for fast, insured shipping to your FFL, and see more AR rifles while you are here.