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www.officer.com March 2015 Law Enforcement Technology 7 You get to see a few interesting things within ten thousand (or so) footsteps by Jonathan Kozlowski Polycase threw out the rules of bullet engineering. Injection- molded ARX rounds have a groove-twist counter to traditional rifling. This is designed to reverse the rotation and expel more energy at the beginning of the hit rather than later. Available in 9mm, 40 S&W;, and .45 Auto. Walking with an editor 2015 SHOW REPORT Brad Stieg found the traditional pistol grip mount to be a bit uncomfortable. Putting his 3D printer to work, he designed the PRV15 which moves the grip to the side and tilts slightly offset at 15 degrees, allowing a more natural arm position. The mount uses the Picatinny rail to mount and accommodates a spot for a flashlight or a laser sight. Warson Brands brings Reebok to the duty boot and incorporated Gore-Tex. Together they claim to reinvent the hot-weather boot. Fused layers reduce bulk, minimize absorption, and dry quickly, preventing added weight in wet conditions. The Krios boot keeps its waterproofing as close to the outside as possible, keeping weight down but staying warm enough to withstand 35 degrees F. The boot was designed for strength in heavy duty use and comfort in high heat.