MK116 Mod 2-M 223 Wylde Complete Upper Receiver - MK116 Mod 2-M 223 Wylde 16.1" Bbl Complete Upper W/Fsc 556
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Primary Weapon Systems
Overview
The Mk116 Mod 2-M Complete Upper Receiver from Primary Weapon Systems features a 16.1-inch barrel chambered in .223 Wylde, making it versatile enough to safely fire both .223 Remington and 5.56 NATO ammunition. This complete assembly is designed for the AR-15 platform, allowing builders to easily integrate it into their projects for enhanced performance and reliability. This upper receiver is commonly found in builds aimed at precision shooting and general-purpose use.
Specifications
MK116 Mod 2-M 223 Wylde Complete Upper Receiver - MK116 Mod 2-M 223 Wylde 16.1" Bbl Complete Upper W/Fsc 556
Price and stock
The Primary Weapon Systems MK116 Mod 2-M 223 Wylde Complete Upper Receiver - MK116 Mod 2-M 223 Wylde 16.1" Bbl Complete Upper W/Fsc 556 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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