Midwest Industries | 10.5-inch 5.56 NATO Carbine Upper

This Midwest Industries complete AR-15 upper is built around a forged 7075-T6 aluminum receiver and a 10.5-inch carbine-length barrel finished in Melonite. The barrel is a 4150 chrome-moly design with a 1:7 twist and is chambered for 223 Rem/5.56 NATO. The MI-CRM9.5 M-LOK handguard provides accessory mounting options while keeping the package compact for carbine-length applications.

Product Specifications

• The manufacturer is Midwest Industries.
• The listed model/product is 10.5-inch Carbine-Length Upper Receiver Group.
• The UPC is 812102031147.
• The caliber/cartridge is 223 Rem / 5.56 NATO.
• The barrel measures 10.5 inches in length.
• The rate of twist is 1:7 (1 turn in 7 inches).
• The barrel material is 4150 chrome-moly steel.
• The barrel finish is Melonite.
• The upper receiver is made from forged 7075-T6 aluminum.
• The handguard is a MI-CRM9.5 M-LOK free-floating style.
• The gas system is a carbine-length direct impingement system.
• The barrel features M4 feed ramps for reliable feeding.
• The muzzle is threaded 1/2×28 for common muzzle devices.
• The finish on the upper is hard coat anodized.
• Included components: No bolt carrier group or charging handle included.

This upper is well-suited for compact carbine builds and precision-focused short-barrel systems where a durable, lightweight receiver and M-LOK modularity are desired. Its combination of a Melonite-treated 4150 chrome-moly barrel, 1:7 twist, and MI handguard makes it a practical choice for shooters looking to assemble a high-quality AR-15 carbine upper.