New to ARs - how do I tell if this mil-spec buffer tube will fit a carbine buffer + carbine buffer spring, OR a rifle buffer + rifle buffer spring?

Having an account with OpticsPlanet.com makes writing questions and answers even better! We’ll save all of your questions and answers in your account, provide you easy access to them, so you can see how the community has responded.

If you’d like to add a question without creating an account, you can proceed with filling out the fields on this form.