Hello Im having my first 6BR built by GA Precision Im gonna use as my Coyote/baloon rifle. I cant remember what neck except that Im not gonna have to do any turning its a Broughton #5 24inch 10twist HS Precision Sporter stock its going to be a repeater going to start out with 55 grainers so I can shoot in light class and be ready for Coyotes. Remington with Vais Brake.