Target shooting on the AR platform is one of the most enjoyable ways to spend a day at the range — but ammo costs add up fast when you’re sending hundreds (or thousands) of rounds downrange. With AR9 9mm and AR10 among the most searched terms right now, shooters want platforms that deliver maximum fun without breaking the bank. The question is: which cartridge gives you the best balance of low cost per round, manageable recoil, solid accuracy, and plenty of trigger time? At Zaviar Fi …