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PWS Uppers for Sale - 7.62x39 Uppers, MOD 2 Uppers & Other AR Upper Receivers — 14 products / 15 models

Shop online to save big on PWS uppers chambered in 7.62x39mm, .223 Wylde, and 300 Blackout. Primary Weapons Systems (PWS) builds some of the finest AR uppers available with features like free-floated handguards with Picatinny rails for extra durability and improved ergonomics, PWS long-stroke piston systems for optimal efficiency, four-position adjustable gas blocks for extreme versatility, and chrome barrels that are Isonite QPQ treated for hardness and corrosion resistance.image

Upgrade your build with PWS Piston Uppers, MOD 1 & MOD 2 uppers, and other premium upper receivers from Primary Weapons Systems. With amazing deals every day on high-quality gun parts from top brands and Free Shipping on most orders over $49,  OpticsPlanet.com is your top online destination for tactical, hunting, and outdoor gear. Check out our AR15 Upper Receiver Guides for tips on buying and building the best upper receiver for  your needs and budget.

14 Products in Primary Weapons Systems AR15 Upper Receivers

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Image of Primary Weapons Systems MK109 MOD 2-M, .300 AAC Blackout, 9.75 inch Upper Receiver Primary Weapons Systems MK109 MOD 2-M, .300 AAC Blackout, 9.75 inch Upper Receiver (1) List: $1,399.95 (Save $100.00) $1,299.95
Image of Primary Weapons Systems MK111 MOD2-M, .223 Wylde, 11.85 in Upper Receiver Primary Weapons Systems MK111 MOD2-M, .223 Wylde, 11.85 in Upper Receiver (5) List: $1,399.95 (Save 14%) $1,209.00 Best Rated
Image of Primary Weapons Systems MK111 MOD1-M .223 Wylde, 11.85in bbl Upper Receiver Primary Weapons Systems MK111 MOD1-M .223 Wylde, 11.85in bbl Upper Receiver (4) List: $1,129.95 (Save $90.95) $1,039.00
Image of Primary Weapons Systems MK114 MOD 2-M, .223 Wylde, 14.5in Upper Receiver 2 models Primary Weapons Systems MK114 MOD 2-M, .223 Wylde, 14.5in Upper Receiver (2) As Low As (Save Up to 13%) $1,219.00
Image of Primary Weapons Systems MK111 MOD 1-M, 7.62x39mm, 11.85in Upper Receiver Primary Weapons Systems MK111 MOD 1-M, 7.62x39mm, 11.85in Upper Receiver List: $1,129.95 (Save $90.95) $1,039.00
Image of Primary Weapons Systems MK116 MOD1-M 16 inch .223 Wylde Upper Receiver Primary Weapons Systems MK116 MOD1-M 16 inch .223 Wylde Upper Receiver (4) List: $1,129.95 (Save $100.95) $1,029.00
Image of Primary Weapons Systems MK116 MOD 2-M, 7.62x39mm, 16.1in Upper Receiver Primary Weapons Systems MK116 MOD 2-M, 7.62x39mm, 16.1in Upper Receiver List: $1,399.95 (Save 11%) $1,249.00
Image of Primary Weapons Systems MK114 MOD 1-M .223 Wylde, 14.5in bbl Upper Receiver Primary Weapons Systems MK114 MOD 1-M .223 Wylde, 14.5in bbl Upper Receiver (6) List: $1,129.95 (Save $90.95) $1,039.00 Best Rated
Image of Primary Weapons Systems MK111 MOD 2-M 20.75in 7.62x39 Upper Receiver Primary Weapons Systems MK111 MOD 2-M 20.75in 7.62x39 Upper Receiver List: $1,399.95 (Save 11%) $1,239.00
Image of Primary Weapons Systems MK109 MOD1-M 9.75-inch Upper Receiver Primary Weapons Systems MK109 MOD1-M 9.75-inch Upper Receiver (1) List: $1,129.95 (Save $90.95) $1,039.00
Image of Primary Weapons Systems MK116 MOD 1-M 16.1in 7.62x39 Upper Receiver Primary Weapons Systems MK116 MOD 1-M 16.1in 7.62x39 Upper Receiver List: $1,129.95 (Save 10%) $1,019.00
Image of Primary Weapons Systems MK116 MOD 2-M, .223, 16in Upper Receiver Primary Weapons Systems MK116 MOD 2-M, .223, 16in Upper Receiver (5) List: $1,399.95 (Save 13%) $1,219.00 Best Rated
Image of Primary Weapons Systems MK107 MOD 2-M 7.62x39 7.75in Upper Receiver Primary Weapons Systems MK107 MOD 2-M 7.62x39 7.75in Upper Receiver List: $1,349.95 (Save $90.95) $1,259.00
Image of Primary Weapons Systems MK1 MOD 2 Upper Receiver Primary Weapons Systems MK1 MOD 2 Upper Receiver (2) List: $1,349.95 (Save $90.95) $1,259.00
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