AICS butt spacers?

I need a little more length of pull on my stock AICS. Does anyone have a spacer I can try or buy?

Hey Tim, I bought a couple spacer kits from here. Zak is a good guy to deal with there.

http://www.triggertimegunclub.com/

You said butt.

PM sent.

Did ya get some? PM me if not and I can get you a few.

Thanks, I'm all set.