Sorry I would have answered B4 now but was out of the country for a week.
For the best information about starting a Big 50 shoot go to the ATA web site (shootATA.com). Under "general information" click on Big 50 and you've got it. Of note, there was a rules change, at the beginning of the year that allows clubs to hold a Big 50 any day of the week now. The ATA asks that you clear your intent through your state/provinces' secretary.
Even though the Big 50 has been around for a while it is slow in getting started ... partly because we haven't promoted it to each club as strongly as we should have ... but like anything new, folks are slow to accept it.
In essence, it is a half sized ATA registered shoot. For years now our aging shooter base has requested a way to shoot a shorter program but still accumulating targets for their state/provincial requirements. It's perfect for that.
Additionally, it allows new and veteran shooters to participate in the competitive side of trapshooting, shooting at singles, handicap and doubles without the total cost of shooting a 300 target day. Lots of folks should like that since it's the most voiced objection, beside cost.
The new shooters wanting to "take it up a notch" can begin their competitive careers shooting a program that is less intimidating and costly. All veteran shooters who know someone that wants to shoot more competitively should take a newbee to one. The rhythm of the Big 50 is just like any other ATA registered shoot.
The Big 50 fits even the one and two traps club's schedules too. We all know that the small gun clubs have been left out of the ATA experience in the past. The ATA Big 50 solves that problem nicely.