Inspired by US Military Carbines
For those looking to match the specs and performance on the M4A1 SOCOM Block II carbines used by troops during Operations Iraqi Freedom and Enduring Freedom, the Daniel Defense M4A1 SOCOM Block II Upper Receiver is a great starting point.
The Daniel Defense M4A1 SOCOM Block II Upper Receiver features a quad-rail handguard equipped with a Picatinny-compatible rail sections. The barrel is constructed from mil-spec chrome-moly vanadium steel and features a standard Government profile (current SOCOM issue) with a chrome-lined interior, matching military-style barrels with the same construction.
- Made from 7075-T6 aluminum
- Barrel length: 16 inches
- Twist rate: 1:7
- Does not include BCG, charging handle or flash hider
The Daniel Defense M4A1 SOCOM Block II Upper Receiver features a flat dark earth anodized finish. The rifle can be had with an F-marked front sight gas block or a low-profile gas block under a full-length forend.
Big Book Catalog, Issue:71, Page:003