I have a Remington VS in 22-250 that I have put a McMillan A3 stock onto.Previously this rifle would shoot 0.3 all day but now it's throwing shots all over the place. Stock is on tight, scope is tight. I was under the impression that I did not need to bed a McMillan stock.
Any ideas gratefully received.
Cheers
Ed

Make sure the barrel is floated. Bedding helps too, but not as much as floating, at least in my experience. Good luck.

As far as I know, McMillan stocks do need to be bedded. Maybe you are thinking of the HS precision stocks which do not need to be bedded.
This is their site:
http://www.mcmfamily.com/mfsinc_n/price_list.html
I see a custom instalation charge that includes glass bedding. Their "custom drop in" aparently is not so "drop in" as one would expect.

I have a McMillan fibergrain stock on my .222Rem.Mag. Initially it would group no better than .5" (five shots, 100yds). I had it glass bedded and the barrel floated. Now it shoots in the .3's, quite a difference. I like McMillan stocks but boy they sure don't come cheap! Best wishes.

Cal - Montreal

Guys,
Many thanks for your advice. The barrel is floated but off centre. I will give the bedding a try. I do find it somewhat annoying though that the standard stock which I think,is HS Precision? , works great yet the McMillan which cost plenty needs bedding.... sods law!
Cheers
Ed

a $25 skim bed job on that HS Precision stock would have brought her groups down even better. I have mcmillans also,..but they DO NEED to be bedded. The inletting is a rough cutout of the action and barrel dia you specify,..but without having your action in their hands,..and then mapping the entire underside into the CNC machine,..there is no way the stock will be a perfect fit right out of the box. You may think about having it pillar bedded while you have it apart.