Daniel Defense M4A1 RIII URG 14.5 inch 5.56x45mm NATO Upper Receiver with Flash Hider Assembly

The M4A1 AR15 style Upper Receiver Group is built around a 14.5 inch Cold Hammer Forged M4 Profile barrel with a permanently attached Daniel Defense Flash Suppressor, a GRIP-N-RIP Charging Handle, and our mid-length gas system. It features a 12.5 inch lightweight RIS III railmodeled after the revolutionary RIS II two-piece handguard developed for SOCOMfeatures M-LOK attachment for lighter weight while still offering M203 grenade-launcher attachment. All Daniel Defense complete upper receiver groups come standard with an M16 profile bolt carrier group. Specifications for Daniel Defense M4A1 RIII URG 14.5 inch 5.56x45mm NATO Upper Receiver with Flash Hider Assembly: Manufacturer: Daniel Defense Cartridge: 5.56x45mm NATO Overall Length: 25 in Barrel Length: 14.5 in Barrel Profile: M4 Gas System Length: Mid Length Barrel Twist Rate: 1-7 Threads per Inch: 1/2×28 Muzzle Device: Flash Suppressor Finish: Salt Bath Nitride Gun Model: AR-15 Condition: New Fabric/Material: Multiple Handguard Length: 12.5 in Gun Rail: M-LOK Gun Type: Rifle Gun Make: Daniel Defense Barrel Material: Chrome Moly Bolt Carrier Group Included: MIL-SPEC Charging Handle Included: MIL-SPEC Magazine Included: No Mount Type: M-LOK Gas System: Mid Length Features of Daniel Defense M4A1 RIII URG 14.5 inch 5.56x45mm NATO Upper Receiver with Flash Hider Assembly:UPPER RECEIVER: Mil-Spec with Indexing Marks and M4 Feed Ramps. CNC Machined of 7075-T6 Aluminum, Type III Hard Coat AnodizedBARREL: Chrome Moly Vanadium Steel, Cold Hammer Forged, 1:7 Twist, 14.5 inch Government Profile, Chrome Lined, Mil-Spec Heavy Phosphate Coated, and HP/MPI TestedGAS SYSTEM: Pinned Low Profile Gas Block CNC Machined of 4140 Hardened Steel with Mil-Spec Heavy Phosphate Coating, Mid-length, Direct ImpingementMUZZLE DEVICE: Pinned and Welded Daniel Defense Flash Suppressor, Extended, 17-4 PH Stainless Steel, Salt Bath Nitride FinishedSIGHTS: Sold SeparatelyHANDGUARD: Daniel Defense RIS III 12.5, Patented, 6-Bolt Bolt-Up System, CNC Machined of 6061-T6 AluminumCHARGING HANDLE: GRIP-N-RIP Charging Handle, Body CNC Machined of 7075-T6 Aluminum, Handles & Latch CNC Machined of 6061-T6 Aluminum, Heavy Duty Stainless Steel Roll Pins, Type III Hard Coat Anodized Package Contents: Daniel Defense M4A1 RIII URG 14.5 inch 5.56x45mm NATO Upper Receiver with Flash Hider Assembly Daniel Defense Warranty: Guaranteed Satisfaction All Daniel Defense products carry a 100% satisfaction guarantee against defects in original materials and workmanship. If your Daniel Defense product shows evidence of such defects, Daniel Defense will make every accommodation to fix, repair, or replace your product in the most expeditious manner possible. Daniel Defense does not warranty products or damage caused to our products by the correct or incorrect installation of other manufacturer’s products. Warranty information and warranties are supplied solely by the manufacturer, and not this retailer. This retailer publishes information from the manufacturer for information purposes only, and the manufacturer is solely responsible and liable for any warranty information and warranties published by this retailer. Please reference the appropriate manufacturer documents or reach out to the manufacturer directly for full warranty terms and effective dates. @media screen and (max-width: 400px) { #w-block-one { display:table-row !important; } }