Daniel Defense MK18 Upper Receiver Group 10.3" Barrel FDE

The Daniel Defense MK18 Upper Receiver Group with a 10.3" barrel in Flat Dark Earth (FDE) is engineered for durability and reliability in demanding environments. Its construction utilizes high-grade materials such as 7075-T6 aluminum and chrome moly vanadium steel, ensuring long-lasting performance under rigorous use.

This upper receiver group includes a Cold Hammer Forged barrel with a 1:7 twist rate, chrome lining, and heavy phosphate coating, enhancing barrel life and corrosion resistance. The RIS II quad rail system features a Bolt-Up System tested by USSOCOM, providing a secure and stable platform for accessories.

Features

• Picatinny quad rail RIS II with Bolt-Up System
• Ambidextrous GRIP-N-RIP Charging Handle
• M16 profile bolt carrier group included
• Daniel Defense flash suppressor with salt bath nitride finish
• Rail panels made from heat-resistant Santoprene
• Made in the USA

Specifications

• Upper Receiver: CNC machined 7075-T6 aluminum, Type III hard coat anodized
• Barrel: 10.3" Cold Hammer Forged chrome moly vanadium steel, 1:7 twist, chrome lined, heavy phosphate coated
• Gas System: Pinned low profile gas block, CNC machined 4140 hardened steel, carbine length direct impingement
• Muzzle Device: Daniel Defense flash suppressor, 17-4 PH stainless steel, salt bath nitride finished
• Bolt Carrier Group: M16 profile, mil-spec, chrome lined, MP tested, properly staked gas key
• Handguard: Daniel Defense RIS II MK18, CNC machined 6061-T6 aluminum, Type III hard coat anodized
• Charging Handle: CNC machined 7076-T6 aluminum body, 6061-T6 aluminum handles and latch, heavy duty stainless steel roll pins, Type III hard coat anodized