Are you asking about Centerfire Systems in Ky. or a place called Centerfire Arms? If you are asking about Centerfire Systems here in Ky....
They are reasonably close to me and I have dealt with them a lot. They are good people to do business with but are a little higher on their prices most of the time and they do seperate items and sell them seperately sometimes.
For example. I purchased a Yugo 24/47 from them and they sold the 24/47 and the bayonet as seperate items, where I purchased a Yugo 24/47 from AIM and got the rifle and bayonet included for about the same price.
I usually order from places like AIM but sometimes I can get a ok deal from Centerfire because I can pick the item up and not have to pay for shipping. I find them to be honest people, just a little higher on their prices for the most part.