Primary Weapons Systems MK111 MOD 2-M Upper Receiver 7.62x39 20.75in 1-10 Twist Black
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Primary Weapon Systems
Overview
The Primary Weapons Systems MK111 MOD 2-M Upper Receiver is a complete assembly designed for the AR-15 platform, featuring a 20.75-inch barrel with a 1:10 twist rate optimized for the 7.62x39mm caliber. This upper receiver offers a balance of accuracy and versatility, allowing builders to effectively engage targets at various distances with the right ammunition choice. It is commonly seen in builds focused on precision shooting or tactical applications, where the 7.62x39mm's performance is desired.
Specifications
Primary Weapons Systems MK111 MOD 2-M Upper Receiver 7.62x39 20.75in 1-10 Twist Black
Available Merchants(1)
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Price Alert
September 2026 on GunPartPicker
Primary Weapons Systems MK111 MOD 2-M Upper Receiver 7.62x39 20.75in 1-10 Twist 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 February 2026. All time, it ranks #486 of the 1,705 upper receivers builders have added.
Today the one retailer we track has it in stock. Buying today, the lowest price is $1,329.95 at Optics Planet.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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MIDWEST SIDE FOLDING FIXED STOCK
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