Primary Weapons Systems
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Primary Weapons Systems MK116 Pro 16 Inch Complete 5.56 NATO AR-15 Upper Receiver
Perfect Balance of a Cost-Effective Piston System & High-Quality Construction The Primary Weapons Systems MK116 Pro Complete Upper is the perfect balance of a cost-effective piston system and high-quality construction... -
Primary Weapons Systems MK116 MOD 2-M 16 Inch Complete 5.56 NATO AR-15 Upper Receiver
Long Stroke Piston Upper with Lightweight PicLok Handguard The PWS MK116 MOD 2-M features the PWS Mid-length long-stroke piston system, and includes a unique PicLok handguard, combining Picatinny and M-LOK...Only$1,299.95 -
Primary Weapons Systems MK116 MOD 1-M 16 Inch Complete .223 Wylde AR-15 Upper Receiver
Combines Agility & Reliability For A Sleek, Efficient Piston Driven Upper Assembly The PWS MK116 MOD 1-M features the PWS Mid-length long-stroke piston system that combines the agility of the...Only$1,029.49
Primary Weapons Systems, Inc (PWS) is a Federally-licensed firearms manufacturer located in Boise, Idaho. PWS is the designer and manufacturer of tactical and sporting rifles and accessories.
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