An AR-15 pistol equipped with an Auxetic muzzle break (Photo: Sintercore)
Side view of an Auxetic-equipped AR-15 pistol being fired (Photo: Sintercore)
Colt AR-15 Sporter SP1 Carbine has a 16.1 inch barrel to satisfy US ATF regulations (Photo: M62 via Wikimedia Commons)
Olympic Arms K23 AR-15 pistol with a 6.5 inch barrel equipped with a sight and a flash suppressor. The tube extending from the back of the pistol is the receiver extension, within which the bolt of the firearm's action travels back and forth (Photo: Steven Z via Wikimedia Commons)
Sintercore's Auxetic Inconel muzzle break. The central image is a target's eye view of the device, and the other images are rotations from that position (Photo: Sintercore)
Schematic of how Direct Metal Laser Sintering works (Photo: Materialgeeza via Wikimedia Commons)
Michigan-based Sintercore is billing its Auxetik as the first commercial 3D printed firearm muzzle brake. Made of Inconel alloy using a laser additive manufacturing process, the Auxetik is designed to tame the recoil and muzzle rise of AR-15 pistols.
Other Images from this Gallery