https://greyhive.com/videos/watch/fc88068b-f93e-4ff7-ab6d-3e60145f40e8 A quick overview of the difference in our models. The engine (BCG, Barrel, and Buffer) remain the same thought out. We just let you pick the rail or FSB options. Nothing changes with the upper or lower.. Consistent, workhorses.. Built to run... All backed with our lifetime warranty. Mon, 25 May 2026 00:32:17 GMT https://validator.w3.org/feed/docs/rss2.html PeerTube - https://greyhive.com https://greyhive.com/lazy-static/avatars/6094f644-7703-4c4f-a34f-a1e437f27e03.webp https://greyhive.com/videos/watch/fc88068b-f93e-4ff7-ab6d-3e60145f40e8 All rights reserved, unless otherwise specified in the terms specified at https://greyhive.com/about and potential licenses granted by each content's rightholder.