Primary Weapons Systems
Shop Primary Weapons Systems at Arms East. U.S. shipping and Canadian PAL export available.
Primary Weapons Systems — AR15 Parts (5)
Primary Weapons Systems MK1 Alpha LT 223 Wylde 14.5 Inch Barrel 11.5 Inch M-LOK Handguard Kodiak Brown Rifle
Primary Weapons SystemsAdd to cartAR15 Uppers Add to cartMK1 ALPHA LT 223 WYLDE 14.5”BBL 11.5” MLOK HDGD KODIAK BROWN
$1,300.00In StockPrimary Weapons Systems MK116 Mod 2 7.62x39mm 16.1 inch Complete Upper
Primary Weapons SystemsAdd to cartAR15 Uppers Add to cartPrimary Weapons Systems MK116 Mod 2 complete upper combines a PWS long-stroke piston system with a 16.1″ Wyle barrel for reliable 7.62x39mm performance, including PicLok handguard, complete BCG, and Radian Raptor charging handle.
$1,447.00Low Stock
Primary Weapons Systems — Rifles (5)
Primary Weapons Systems UXR Elite 223 Wylde 14.5 Inch Pinned Carbine
Primary Weapons SystemsAdd to cartAR Rifles Add to cartPrimary Weapons Systems UXR Elite features a patent-pending XCHANGE system enabling caliber conversion by swapping just three parts—barrel, bolt head, and magazine well. Built on the UXR platform in .223 Wylde with a 14.5″ pinned barrel, it delivers Sub-MOA accuracy with Boise-manufactured precision barrels and a modified long-stroke piston system for reduced felt recoil.
$3,094.00Low StockPrimary Weapons Systems UXR Elite 223 Wylde 14.5 Inch Semi-Auto Rifle
Primary Weapons SystemsAdd to cartAR Rifles Add to cartPrimary Weapons Systems UXR Elite features an innovative Barrel Xchange System for tool-free caliber and barrel length changes, paired with a Modified Long Stroke Piston System and three-position adjustable gas system with suppressor setting. Ambidextrous controls, folding buttstock with cheek and LOP adjustments, and PWS FRC compensator provide
$2,499.95Low StockPrimary Weapons Systems UXR Elite 223 Wylde 16 Inch Semi-Auto Rifle
Primary Weapons SystemsAdd to cartAR Rifles Add to cartPrimary Weapons Systems UXR Elite .223 Wylde semi-auto rifle features a patent-pending XCHANGE system for quick caliber swaps with a 16″ barrel and sub-MOA accuracy. Ships with one 30-round magazine.
$2,499.95In Stock
Primary Weapons Systems — Gun Parts (3)
- AR Lower Parts Add to cart
Primary Weapons Systems UXR magwell features ambidextrous design for both left and right-handed shooters, with versatile construction to switch between 223 Wylde and 300 Blackout magazines.
$129.95Low Stock Primary Weapons Systems UXR 223 Wylde 14.5 Inch Barrel Conversion Kit
Primary Weapons SystemsAdd to cartRifle Parts Add to cartPrimary Weapons Systems UXR 223 Wylde 14.5″ barrel conversion kit with 1-8 twist delivers reliable performance across both .223 Remington and 5.56 NATO ammunition. Quick customization and precision engineering enable shooters to upgrade their platform with accuracy and versatility.
$545.00Low Stock
Primary Weapons Systems — Ammunition (2)
Primary Weapons Systems — Rifle Parts (2)
- Other Rifle Accessories & Parts Add to cart
PWS MOD 2 FSC556 delivers superior recoil reduction through its patented FSC compensator design, engineered to manage flash signature while preserving sight picture. This sought-after .223 1/2X28 compensator minimizes overpressure impulse across diverse shooting applications.
$84.96In Stock - Other Rifle Accessories & Parts Add to cart
Primary Weapons Systems FSC30 compensator delivers effective .308 recoil reduction with a patented port design that keeps flash out of your optics. Minimized overpressure makes it comfortable in any shooting condition.
$84.96In Stock
Primary Weapons Systems — AR Upper Parts (1)
- AR Muzzle Devices Add to cart
FRC FLAT 2-PORT 308 CALIBER 5/8”-24 THREADS COMPENSATOR
$89.95In Stock
Primary Weapons Systems — Shotgun Parts (1)
Primary Weapons Systems UXR 300 Blackout 14.5 Inch Barrel Conversion Kit
Primary Weapons SystemsAdd to cartShotgun Chokes Add to cartPrimary Weapons Systems UXR 300 AAC BLACKOUT Conversion Kit features a 14.5″ barrel with the XChange system for quick, reliable caliber transitions using a user-friendly dot system to prevent reconfiguration errors.
$499.95Low Stock
