MK107 Mod 1-M 223 Wylde Complete Upper Receiver - MK107 Mod 1-M 223 Wylde 7.75" Bbl Complete Upper Receiver
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Primary Weapon Systems
Overview
The Mk107 Mod 1-M .223 Wylde Complete Upper Receiver from Primary Weapon Systems offers a ready-to-go setup for your AR-15 platform, featuring a compact 7.75-inch barrel length. This upper is chambered in .223 Wylde, allowing for the safe firing of both .223 Remington and 5.56 NATO cartridges, providing versatility for different ammunition types. This upper is often found in short-barreled builds that prioritize maneuverability, making it ideal for close-quarters engagements or compact firearm configurations.
Specifications
MK107 Mod 1-M 223 Wylde Complete Upper Receiver - MK107 Mod 1-M 223 Wylde 7.75" Bbl Complete Upper Receiver
Price and stock
The Primary Weapon Systems MK107 Mod 1-M 223 Wylde Complete Upper Receiver - MK107 Mod 1-M 223 Wylde 7.75" Bbl Complete Upper Receiver was out of stock everywhere we track for all of September 2026, and today none of the 3 retailers we track has it in stock right now. Listed prices start at $1,029.49 at Brownells for when it comes back.
Prices checked · refreshed daily across 37 retailers
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