Primary Weapons Systems MK114 Mod 2-M 14.50" Railed Upper .223 Wylde 1:8 Mid-Length no BCG w/CH

Overview

The Primary Weapons Systems MK114 Mod 2-M complete upper receiver is chambered in .223 Wylde with a 14.5-inch barrel and a 1:8 twist rate. Operating on a long-stroke piston system with a 3-setting adjustable gas system, this upper is optimized for suppressed use by minimizing back pressure and gas blowback. It features a lightweight 4.5 lb design, a pinned PWS FRC 3-port compensator compatible with Rearden Atlas suppressor mounts, and a PicLok handguard combining Picatinny and M-LOK rail space. A Radian Raptor ambidextrous charging handle is also included.

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