BBBBill

Hi, all. I'm new to AR-10 types, but have long experience with other type guns. As for the AR-15/M-16/M-4 types - 33 plus years in uniform and private ownership of ARs before that. I've built several and modified several more. Looking forward to my new AR-10 type build project. I've already discovered that there is no single standard for them and that there is even deviation on some details within either of the two camps. Hope to pick your collective brains as I work my way through this.