Primary Weapons Systems MK114 Mod 2-M 14.50" Upper .223 Wylde 1:8 M-LOK Rail Mid-Length, Black
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Primary Weapon Systems
Overview
The Primary Weapons Systems MK114 Mod 2-M is a complete upper receiver designed for the AR-15 platform, featuring a 14.5-inch barrel with a mid-length gas system. With a twist rate of 1:8, this upper is optimized for stabilizing a variety of bullet weights, making it versatile for different shooting applications. This upper is commonly found in builds that prioritize a mid-length gas system and chambered in 5.56 NATO, offering a balance of performance and reliability.
Specifications
Primary Weapons Systems MK114 Mod 2-M 14.50" Upper .223 Wylde 1:8 M-LOK Rail Mid-Length, Black
Available Merchants(6)
Prices checked
Price Alert
Build history on GunPartPicker
Builders on GunPartPicker first added the Primary Weapons Systems MK114 Mod 2-M 14.50" Upper .223 Wylde 1:8 M-LOK Rail Mid-Length, Black to a build in February 2026.
It was in stock most days in September 2026, and today 3 of the 6 retailers we track have it in stock. It dipped to $1,299.95 at Sportsmans Outdoor Superstore for a stretch in September 2026, under its usual $1,399.95, so sales do come around. Buying today, the lowest price is $1,299.95 at BattleHawk Armory, which matches the best price we saw in September.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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