Some are heavy, some are light. It is a fairly mild cartridge, and does not require a very heavy rifle. Weight will depend on the specific make and model.
you should pay about 300 to about 350 dollars for a Remington 243 rifle
Depends on if that model is offered in 243
Because that's what the bore measured out to.
50-400 usd
Great rifle.
The .243. It's basically a necked down .308 Winchester.
Varmits to deer.
That depends on the exact model of rifle.
Model dependent
That depends on the exact make and model of the rifle itself
500
No