MK111 Mod 2-M 223 Wylde Complete Upper Receiver - MK111 Mod 2-M 223 Wylde 11.85" Bbl Complete Upper
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Primary Weapon Systems
Overview
The Mk111 Mod 2-M is a complete upper receiver designed for the AR-15 platform, featuring an 11.85-inch barrel chambered in .223 Wylde. This caliber allows for the safe firing of both .223 Remington and 5.56 NATO cartridges, providing versatility in ammunition choices while optimizing performance for short-barreled applications. Builders often use this upper in compact or tactical builds where maneuverability and rapid handling are essential.
Specifications
MK111 Mod 2-M 223 Wylde Complete Upper Receiver - MK111 Mod 2-M 223 Wylde 11.85" Bbl Complete Upper
Price and stock
The Primary Weapon Systems MK111 Mod 2-M 223 Wylde Complete Upper Receiver - MK111 Mod 2-M 223 Wylde 11.85" Bbl Complete Upper was out of stock everywhere we track for all of September 2026, and today none of the 2 retailers we track has it in stock right now. Listed prices start at $1,299.95 at Brownells for when it comes back.
Prices checked · refreshed daily across 37 retailers
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