MK114 Mod 1-M 223 Wylde Complete Upper Receiver - MK114 Mod 1-M 223 Wylde 14.5" Bbl Complete Upper Thread Only
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Primary Weapon Systems
Overview
The Mk114 Mod 1-M 223 Wylde Complete Upper Receiver features a 14.5-inch barrel specifically designed for the .223 Wylde caliber, allowing for versatility with both .223 Remington and 5.56 NATO ammunition. This complete assembly provides builders with a ready-to-install upper that streamlines the build process while offering precision performance. This upper receiver is often used in compact, lightweight builds that prioritize maneuverability without sacrificing accuracy.
Specifications
MK114 Mod 1-M 223 Wylde Complete Upper Receiver - MK114 Mod 1-M 223 Wylde 14.5" Bbl Complete Upper Thread Only
Available Merchants(6)
Prices checked
Price Alert
September 2026 on GunPartPicker
Primary Weapon Systems MK114 Mod 1-M 223 Wylde Complete Upper Receiver - MK114 Mod 1-M 223 Wylde 14.5" Bbl Complete Upper Thread Only ranked #168 of the 615 upper receivers builders added on GunPartPicker in September 2026. Builders have been adding it to their builds on GunPartPicker since August 2026. All time, it ranks #492 of the 1,719 upper receivers builders have added.
It was in stock most days in September 2026, but today only Brownells has it in stock. It dipped to $1,049.95 at Sportsmans Outdoor Superstore for a stretch in September 2026, under its usual $1,129.95, so sales do come around. Buying today, the lowest price is $1,129.95 at Brownells, above September's low of $1,049.95, so a better deal may come back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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