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The Daniel Defense M4A1 RIS II 14.5" 5.56 NATO Complete Upper Receiver offers enhanced performance reliability for your next AR-15 build. This upper receiver features a 14.5-inch Cold Hammer Forged barrel made from Chrome Moly Vanadium Steel. The barrel is chrome lined, with a Mil-Spec Heavy Phosphate coating and a 1:7 twist rate. It also includes a Daniel Defense Flash Suppressor made from 17-4 PH Stainless Steel with a Salt Bath Nitride finish. The upper receiver itself is CNC machined from 7075-T6 Aluminum, offering robust construction with Type III Hard Coat Anodizing for enhanced durability.
Features:
Chambered in 5.56 NATO
10.3" Cold Hammer Forged Barrel
Daniel Defense Flash Suppressor
GRIP-N-RIP Charging Handle
9.5" Lightweight RIS III Rail with M-LOK
M16 Profile Bolt Carrier Group
Carbine Length Gas System
Mil-Spec Upper Receiver
Chrome Moly Vanadium Steel Barrel
17-4 PH Stainless Steel Flash Suppressor
7075-T6 Aluminum Upper Receiver and Charging Handle Body
Made in the USA
M-LOK Compatible
The M4A1 RIS II upper receiver features a carbine-length gas system with a pinned low-profile gas block CNC machined from 4140 hardened steel. The 9.5-inch lightweight RIS III rail, modeled after the SOCOM-developed RIS II, includes M-LOK attachment points for a versatile and lightweight handguard option. The upper receiver group also includes an M16 profile bolt carrier group, which is chrome-lined and Mil-Spec MP tested, with a properly staked gas key. The GRIP-N-RIP Charging Handle is CNC machined from 7076-T6 Aluminum for the body and 6061-T6 Aluminum for the handles and latch, ensuring durability and ease of use. This high-quality upper receiver is proudly made in the USA and designed for maximum performance and reliability.
The Daniel Defense M4A1 RIS II 14.5" 5.56 NATO Complete Upper Receiver offers enhanced performance reliability for your next AR-15 build. This upper receiver features a 14.5-inch Cold Hammer Forged barrel made from Chrome Moly Vanadium Steel. The barrel is chrome lined, with a Mil-Spec Heavy Phosphate coating and a 1:7 twist rate. It also includes a Daniel Defense Flash Suppressor made from 17-4 PH Stainless Steel with a Salt Bath Nitride finish. The upper receiver itself is CNC machined from 7075-T6 Aluminum, offering robust construction with Type III Hard Coat Anodizing for enhanced durability.
Features:
Chambered in 5.56 NATO
10.3" Cold Hammer Forged Barrel
Daniel Defense Flash Suppressor
GRIP-N-RIP Charging Handle
9.5" Lightweight RIS III Rail with M-LOK
M16 Profile Bolt Carrier Group
Carbine Length Gas System
Mil-Spec Upper Receiver
Chrome Moly Vanadium Steel Barrel
17-4 PH Stainless Steel Flash Suppressor
7075-T6 Aluminum Upper Receiver and Charging Handle Body
Made in the USA
M-LOK Compatible
The M4A1 RIS II upper receiver features a carbine-length gas system with a pinned low-profile gas block CNC machined from 4140 hardened steel. The 9.5-inch lightweight RIS III rail, modeled after the SOCOM-developed RIS II, includes M-LOK attachment points for a versatile and lightweight handguard option. The upper receiver group also includes an M16 profile bolt carrier group, which is chrome-lined and Mil-Spec MP tested, with a properly staked gas key. The GRIP-N-RIP Charging Handle is CNC machined from 7076-T6 Aluminum for the body and 6061-T6 Aluminum for the handles and latch, ensuring durability and ease of use. This high-quality upper receiver is proudly made in the USA and designed for maximum performance and reliability.