You would have to ask them. I've a couple of their boxes here since I've bought a couple and IMO their worth it. Your gun will be well protected from anything USPS can throw at it. You'll also have to pay the inspection fee. That's worth it also IMO

I had FA rebuild a "Blue" and it's as nice as a new issue USGI rifle IMO

It seems like with a carbine you never pay too much, you just buy early.

People tend to forget that there are only "x" number of USGI Carbines available, and demand for new production one's limited. Small businesses like Fulton will eventually go because of retirements and companies like Auto Ordnance only make what they can profit from

This realization is what made me spend $1,800 on a carbine last year, I’ve been wanting one for so long but the price always kept me away.

It would have been cheaper to buy one sooner but putting it off longer was only going to make it worse. It’s a really nice early gun and soon enough it will be worth more than I paid for it.

If I was sending my carbine to Fulton, I would follow their procedures,
I'm thinking if you sent it in your box, they are probably going to send it back in theirs whether you ultimately decide to get the work done or not. - so, you probably getting charged one way or the other.

I have heard good things about their carbine work, but that being said,
are their specific problems with your carbine that you know need fixing? or are you unhappy with the accuracy of your carbine?

Pretty much every Carbine I have ever seen has been through a lot. :)

Mine is also a Blue Sky that I bought back in 1990 with no idea as to who they were. I ordered mine from Shotgun News and don't remember any mention of them.
If my receiver ever cracks or I need a new barrel, I would send it to Fulton.

I will be interested to see pictures and a range report when you get it back.

I would still ask if they can return the barrel/receiver with the refurbished carbine,
personally, I think this carbine has quite a history :)

ETA: Good luck in your quest for another carbine.

The OP BETTER post pictures

I just had a thought for the OP though. Since FA is using a new receiver instead of shipping the refurbed Carbine they'll have to ship it to a FFL since it'll be a "new" Carbine.

I was a kid and there was a gun shop/bait store down the road.   I loved to go look at the guns.  Saw my first HK VP70 there.  Lots of surplus.  I saw an M1 Carbine with the same lever on it. I never knew it was actually an M2.

Update for the interested among you.  I had Fulton rebuild the whole thing with a new reciever and barrel along with the various new internal parts needed.  I also had them repark the old parts that were reused, so I basically have a NIB GI spec carbine.  My workshop is in shambles because of some renovations we are doing so these pictures aren't the best, but the rifle looks absolutely beautiful. I won't be able to shoot it for a while, but I'll bet she shoots great now.  I'm also going to keep my eyes open for a good deal on a genuine surplus rifle for the collection, but for now, this will do just fine.  Thanks for all the advice and pushing for me to make lemonade out of this situation.

I don't have the whole image hosting service thing down, but I do have a few pics if anyone can help me get them on here.

Send me a pm with your email address, I'll respond back then you can email me them and I'll post them up 1st chance I get

This.

Then you'll have a Fulton reworked M1 Carbine, which should be absolutely fantastic.

ETA:  I see you went this route; solid choice.

ETA2:  saw your other thread.  What a beauty!