Daniel Defense 23-004-13150 M4A1 Upper Receiver, 223 Remington/556NATO, 14.5 Inches Barrel with Pinned Brake, Flat Dark Earth

The Daniel Defense M4A1 Upper Receiver is engineered for precision and durability, making it a top choice for tactical applications. Incorporates the M4A1 Rail Interface System (RIS II), utilized by US Special Operations Command since 2005 for seamless accessory mounting. Features a two-piece, free-floating rail design that prevents interference with barrel harmonics, ensuring consistent accuracy even when adding devices like a grenade launcher. Allows for easy partial disassembly to facilitate cleaning around the barrel without removing the entire rail system. Includes a 14.5-inch cold hammer-forged M4 profile barrel with a permanently attached flash suppressor to comply with NFA regulations, effectively extending to 16 inches overall length. Built with a sturdy bolt-up system using grade 8 bolts to support added weight, keeping the barrel fully free-floating for optimal dependability. Ideal for AR-style platforms, offering a flat dark earth finish that combines functionality with a professional aesthetic.

Features:

• Daniel Defense M4A1 Rail Interface System.
• Daniel Defense Rail Panels Made from Santoprene.
• 14.5 Cold Hammer Forged.

Specifications:

• Description: Carbine
• Caliber-2: 556NATO
• Type of Barrel: 1:7
• Color: Flat Dark Earth
• Fit: AR Rifles
• Accessories: M4 12.0 Rail
• Type: Upper
• Manufacturer Part: 23-004-13150
• Manufacturer: Daniel Defense
• Model: M4A1
• Sub Category: Complete Upper Receivers
• Barrel Length: 14.5" Pinned (16" OAL)
• Caliber: 223 Remington