Daniel Defense DDM4 GL/SSC 5.56mm Complete Upper Receiver, 12.5" Threaded Barrel, Govt Profile, FDE

Overview:

The Daniel Defense DDM4 GL/SSC Complete Upper Receiver is a 25th Anniversary Reissue built around a 12.5-inch cold hammer forged barrel and the GL/SSC RIS II free-float quad rail. Chambered in 5.56 NATO and compatible with .223 Remington, this complete upper combines durable materials, a carbine-length direct-impingement gas system, and a compact profile for compatible AR-style rifle configurations.

Key Features:

• 25th Anniversary Reissue: Special-edition recreation of the DDM4 GL/SSC configuration.
• Cold Hammer Forged Barrel: 12.5-inch Government Profile barrel constructed from 4150 Chrome Moly Vanadium steel.
• Chrome-Lined Bore: Designed for durability and dependable performance.
• Carbine-Length Gas System: Direct-impingement operating system with a pinned low-profile gas block.
• RIS II Quad Rail: GL/SSC RIS II 11.5-inch free-float handguard with four-sided Picatinny rail surfaces.
• FDE Handguard: Flat Dark Earth finish complements the special-edition configuration.
• Threaded Muzzle: 1/2x28 muzzle threads with an A2 flash hider installed.
• M203/M320 Compatible: Handguard is compatible with applicable M203/M320 mounting configurations.

Specifications:

• Manufacturer: Daniel Defense
• Model: DDM4 GL/SSC Complete Upper Receiver
• Product Type: Complete Upper Receiver
• Special Edition: 25th Anniversary Reissue
• Caliber: 5.56 NATO / .223 Remington Compatible
• Barrel Length: 12.5"
• Barrel Profile: Government
• Barrel Material: 4150 Chrome Moly Vanadium Steel
• Barrel Manufacturing: Cold Hammer Forged
• Barrel Finish: Chrome-Lined / Heavy Phosphate Coated
• Twist Rate: 1:7"
• Barrel Threads: 1/2x28
• Gas System: Carbine-Length
• Gas Block: Pinned Low-Profile
• Operating System: Direct Impingement
• Handguard: GL/SSC RIS II
• Handguard Length: 11.5"
• Rail Type: Four-Sided Picatinny Quad Rail
• Handguard Material: CNC-Machined 6061-T6 Aluminum
• Handguard Finish: Flat Dark Earth
• Handguard Design: Free-Float
• Upper Receiver Material: 7075-T6 Aluminum
• Muzzle Device: A2 Flash Hider

Applications:

• Range Training: Compact upper configuration suitable for compatible rifle platforms.
• Collection Builds: 25th Anniversary Reissue design appeals to collectors and Daniel Defense enthusiasts.
• Optic and Accessory Setup: Full-length Picatinny rail surfaces provide mounting options for compatible accessories.
• Suppressed Configurations: Handguard design is compatible with appropriate suppressor setups.

Additional Features:

• Durable Construction: Combines a forged 7075-T6 aluminum upper with a CHF steel barrel and CNC-machined aluminum handguard.
• Free-Float Rail System: Helps isolate the handguard from the barrel while providing extensive accessory mounting space.
• Compact Configuration: The 12.5-inch barrel and 11.5-inch handguard create a streamlined upper receiver assembly.
• Complete Upper: Includes the upper receiver assembly with the listed barrel, handguard, gas system, and A2 flash hider.

MPN: 23-004-20154-047
UPC: 818773025355

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