I always thought that Ruger should have a longer/slimmer forend on their full stock rifle, much like the 20" one on the Remington.
It would be a big improvement over the short, chubby one currently offered.
"Longer a slimmer" is really only cosmetic, you don't grip forward of the checkering... the checkered area on the RSI is the same diameter as the RL models and slimmer than the R models. The No.1 Internationals sport 20" barrels, but in order to keep the length asap in the M77, they abbreviated the barrel to 18.5"... really when you consider the purpose and uses of an International carbine, I don't think that you will functionally miss that inch and a half. There are other places that an extra inch and half could come in handy...