I dont know the history of the shoot and why they shoot at 27" tv's. I would think you dont want the tv after its been hit. I know most of the regulations and what not, its pretty simple. It cost $20 for 1 shot. No sighters. It must be your varmint, deer, or elk rifle, no .50 cal. Turrets are allowed. A bench is provided. You need a spotter with a spotting scope to determine if you hit the tv glass or not. The winner receives $100. Last year, only 5 of about 95-100 hit the glass on the 1st shot. They then had a shootout. The guy who won hit the tv 3 of 5 shots and he was using a accurized .30-378 weatherby. The year before that, a 15 year old won shooting a .300 RUM. Thats what I'll be shooting this year.
Its more for charity is why it was started. Just a way for us farmers to enjoy a little competition from one another. Its getting to be big though. Last year there was about 95-100 shooters and some were from Alaska. I think there should be at least 1 sighter shot to compensate for any wind or something. The probability of hitting it on the 1st shot is very slim for us with no sighter. It's a lot of fun to attend. I have been a bystander the last 2 years as I have not had the right gun or equipment to have any chance of winning. Now that I have my .300 RUM and a very accurate load worked up with the 200g SMK, I might have a shot at getting close to hitting it.