Re: Savage 12 FTR ???
Well... besides a scope for the gun, you'll need a bipod, a rear bag of some sort, something to put between you and the ground, and something to see the targets when scoring for others. Some ranges might let you snuggle up next to the shooter and use your rifle scope to score with, but some don't (often there just isn't room on the firing point for two). Bare minimum, any pair of binocs or cheap spotting scope on a short tripod will work.
Later if you get serious, a higher quality spotting scope on a stand made specifically for High Power Rifle shooting will be worth your while - they can be used while shooting to check the mirage and/or keep an eye on whats happening on the targets on either side of you i.e. if three of the shooters next to you all dropped a shoot out downwind, you may want to hold up and re-assess what you think is going on.