Here's a list of the posts from the G&LDP:
G&L Factory Neck Replacement [LATEST INFO as of Feb. 2021]
Warmoth 24 3/4" Neck on a G&L?
Ordering a new neck
USA ASAT CLassic neck width question
new neck [PST guitars]
Re: Updated G&L On-Line Store now up! (new category-Necks)
G&L neck replacement (Aftermarket source) [Musikraft]
Musikraft neck project
Not sure if a one off, but neck at USACG
Vintage SC-2 resources?
Swap 3-bolt Necks
Replacing the neck on a Legacy Tribute?
Replacement of Neck on Legacy
Replacement Neck for Legacy(2)
Replacement neck for a '97 ASAT Classic
New neck (Job done)...
New Legacy needs neck shim
Neck Swap
G&L neck compatability
A little-known fact: G&L supports fretless/microtonal music
Neck replacement on early 80's SC2
G&L dealer with a new neck to check out...
And from the G&L Knowledgebase:
Replacement necks from G&L ...
Radius of neck on Legacy
3 bolt neck to 4 bolt body, is this swap doable?
Replacement necks from G&L?
How can I get a different size neck for my legacy special?
Do Fender Tele necks fit USA/Legacy ASATs?
A couple questions regarding necks
Replacement necks for G&L instruments?
What's the deal with replacement necks ?
Tribute ASAT neck on Tribute Legacy
TRIBUTE 9" NECK REPLACEABLE W/ASAT U.S. 7.5" NECK?
Replacing the neck on a Legacy Tribute?
Replacement Necks
replacement necks for 1996 G&L legacy special guitars
ASAT classic replacement neck
Now we have ONE post which can be referred to, the next time someone asks about G&L replacement necks.

And, yes, should any new information becomes available, I will update this post.

Hope this helps.
