Reloads dont fit down in magazine. To long now what?

[Triple BB]

I'd take the gun by yer local smith's shop and ask if he can do anything with the action that will let you set it up with a Wyat's extended mag box.

 

[justgoto]

Single feed; you only need one.

If you then find that you needed more, next year develop a load specifically for use in that rifle.