Top of the list for accuracy (m193) - Hornady Frontier 5.56x45mm NATO 55 Grain Full Metal Jacket Brass Rifle Ammunition

Have run M193 accuracy test. 4 different AR15 rifles. 1/9 16 inch 5.56 carbine. 1/8 16 inch 5.56 mid length. 1/8 18 inch 223 Wylde intermediate. 1/7 20 inch 5.56 CHF rifle length. Ammo tested: Federal, Winchester, Hornady, Wolf Gold, Ruag, IMI, and PPU. 3-10 shot groups each (100 yds). Frontier was the best in accuracy. 2nd best in velocity (consistency). 3rd best in fragmentation (10% FBI gel block). Though some ammo shoots better in different barrels, these numbers speak for themselves. My go to M193 ammo.