RED/CARBON FIBER MULT-CALIBER SYSTEM

 

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Custom Red/Carbon Fiber 15 Multi-Caliber System

Here's a multi image composite which consists of one lower receiver configured with 3 different upper receivers in various calibers. Between the two images, I favor the one with the red/grey backdrop.
From left to right: 22LR Pistol, 22LR Rifle, .223 Wylde Rifle, .223 Wylde Pistol, and 5.7x28mm Pistol Upper Receiver