https://stream.echo6.co/videos/watch/c75c29d2-94ba-460a-b789-6e6bcfb7451d In this video we use a thermal camera to discuss and observe the differences between direct impingement and short-stroke gas piston systems in two different rifles, the AR10 (Brownells' BRN10) and the FN SCAR17. Special thanks to: Matt Landfair of Primary & Secondary, LLC.: https://www.youtube.com/channel/UCMBqATNTqk6c2Gom0lsWHXQ J.W. Ramp for his filming and assistance: https://www.jwramp.com/ InRange is entirely viewer supported: http://www.patreon.com/inrangetv Wed, 15 Apr 2026 09:48:10 GMT https://validator.w3.org/feed/docs/rss2.html PeerTube - https://stream.echo6.co https://stream.echo6.co/client/assets/images/icons/icon-512x512.png https://stream.echo6.co/videos/watch/c75c29d2-94ba-460a-b789-6e6bcfb7451d All rights reserved, unless otherwise specified in the terms specified at https://stream.echo6.co/about and potential licenses granted by each content's rightholder.