AR battle zero deep dive- barrel length

How does the performance of your 5.56mm AR battle zero change with different barrel lengths? In this video we will shoot a 36yd zero side by side on cardboard out to 300 yards out of an 11.5" barrel and a 14.5" barrel. We will then take a close up look at where the rounds landed so that we can draw a conclusion around what to expect out for a battle zero out of your rifle. Instagram: mountainsmulletsmerica 14.5" Rifle details colt 14.5" colt socom weight barrel- 1/7" twist DD RIS II FSP rail Surefire FA556-212 suppressor Colt 6920 lower 11.5" Rifle details Griffin armament Mk2 factory SBR Griffin armament dual lok 7 suppressor Ammo Ally munitions canned ham .223 77gr- both rifles Silver state armory 5.56 77gr OTM- 11.5" Optic Athlon ETR UHD 1-10 LPVO Reptilia AUS 39mm mount 00:00 Intro comments 01:37 Battle zero concept 05:32 testing procedure explanation 07:47 14.5" Live fire- ally 77gr 10:02 11.5" Live fire- ally 77gr 13:15 11.5" Live fire- 5.56 77gr 16:25 The results 21:11 Closing comments