Primary Weapons Systems MK116 Mod 2-M 16.10" Upper .223 Wylde 1:8 M-LOK Rail Mid-Length, Black
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Primary Weapon Systems
Overview
The Primary Weapons Systems MK116 Mod 2-M upper receiver is a complete assembly designed for the AR-15 platform, featuring a 16.1-inch barrel that supports the 5.56 NATO caliber. With a mid-length gas system and a twist rate of 1:8, this upper allows for improved gas efficiency and stabilization of a wide range of bullet weights, making it versatile for various shooting applications. This upper is commonly found in builds focused on precision shooting and general-purpose use, providing reliable performance across different scenarios.
Specifications
Primary Weapons Systems MK116 Mod 2-M 16.10" Upper .223 Wylde 1:8 M-LOK Rail Mid-Length, Black
Available Merchants(5)
Prices checked
Price Alert
September 2026 on GunPartPicker
Primary Weapons Systems MK116 Mod 2-M 16.10" Upper .223 Wylde 1:8 M-LOK Rail Mid-Length, Black ranked #267 of the 615 upper receivers builders added on GunPartPicker in September 2026. Builders have been adding it to their builds on GunPartPicker since March 2026. All time, it ranks #655 of the 1,706 upper receivers builders have added.
It was in stock most days in September 2026, and today 4 of the 5 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 $1,368.99 to $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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Frequently Built With
The part most often added in each category by the builds that include this one
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PSA AR-15 Bolt Carrier Group 5.56 Full-Auto Nitride MPI - 516446953
Geissele Automatics AR-15 Maritime Bolt Catch Steel Black
CMMG MK4 .223 Remington AR Lower, Black - 55CA102AB
Radian Weapons AR-15 Raptor/talon L/s Combo Black Anodized
Strike Industries Ambidextrous Magazine Release, Black - ARAMBIMRBK
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