Tag: wrapped barrels

Proof Research and SI Defense Video

Posted March 10, 2015 in AR-15, Companies by Nicholas C with 1 Comment

Four Guys Guns posted this video on their website. I can’t embed the video so here is the link. It is a short video showing the manufacturing of Proof Research Barrels and SI Defense receivers. Proof Research makes carbon fiber wrapped barrels. Here is a video we [Read More…]

Carbon Fiber Wrapped Barrel Durability Test

Posted October 2, 2014 in Rifles by Nicholas C with 32 Comments

Proof Research posted this gem back in 2012. They proved that their carbon fiber wrapped barrels were strong and durable. They shoot three shots out to 100 yards. Unscrew the barrel and bludgeon a concrete cinder block. Afterward they screw the barrel back in and reshot [Read More…]