shoulder bump

I have a question I feel like I should already know the answer to but have never thought to ask before: how much do you bump the shoulder when resizing brass for an ar15, or is that even a valid concept in a gas gun (or is the case being ejected “too soon” for this concept to work)? Here’s the...

Size with a .005" feeler gap between shell holder and fl die. Will empty brass chamber & let bolt close? Yes, load and fire. Do same with same 2 times fired brass, same die setting, with bolt close? May not. Adjust die till empty brass chambers.

Since I haven't had anyone definitively explain to me how to bump the shoulder back other than what the books that I have read and the videos I've watched and perhaps most importantly, me being an idiot, I'm not sure what is what. Here's the problem. I use RCBS dies for resizing my .308 rifle...

Hello all, First of all, thanks so much to everyone on here for being an awesome community of reloaders. It’s been like having a reloading club next door but from all over the world! Now on to my issue- I recently purchased a Redding 2-die set for 30-06 to replace the Lee set I’ve been using...