Daniel Defense M4A1 Socom 14.5" 5.56mm URG FDE

Inter-Store Transfer
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The Daniel Defense M4A1 upper receiver group utilizes the Rail Interface System(RIS II) which has been fielded by US SOCOM for SOPMOD Block II weapon systems since 2005. This 2-piece, free floating rail system allows the mounting of the M203 grenade launcher without interfering with barrel harmonics. The 2-piece design also allows for partial disassembly for cleaning and uses a sturdy bolt up system. The M4A1 uses Daniel Defense's cold hammer forged barrel in a M4 profile, an Improved Flash Suppressor is permanently attached to the 14.5" barrel for 16" overall length.

MATERIALS & CONSTRUCTION
UPPER RECEIVER	Mil-Spec with Indexing Marks and M4 Feed Ramps. CNC Machined of 7075-T6 Aluminum, Type III Hard Coat Anodized
BARREL	Chrome Moly Vanadium Steel, Cold Hammer Forged, 1:7 twist, 14.5″ M4 Profile, Chrome Lined, and Mil-Spec Heavy Phosphate Coated
GAS SYSTEM	Pinned Low Profile Gas Block CNC Machined of 4140 hardened steel and Mil-Spec Heavy Phosphate Coating, Carbine-length, Direct Impingement
MUZZLE DEVICE	Daniel Defense Flash Suppressor, 17-4 PH Stainless Steel, Salt Bath Nitride Finished, Pinned and welded to barrel(non-NFA)
BOLT CARRIER GROUP	M16 Profile, Chrome Lined, Properly Staked Gas Key
SIGHTS	Sold Separately
HANDGUARD	Daniel Defense M4A1 Rail Interface System (RIS II), CNC machined 6061-T6 Aluminum, Type III Hard Coat Anodized FDE
RAIL PANELS	Daniel Defense Rail Panels made from Santoprene, heat resistant to 300° F.
CHARGING HANDLE	Daniel Defense GRIP-N-RIP, CNC machined 7076-T6 aluminum, CNC machined 6061-T6 handles, Type III Hard Coat Anodized

Specifications
Caliber	5.56mm NATO
Gas System	Carbine-Length
Barrel Length	14.5" (16" OAL)
Weight	4.56 lbs.