100% (1): 10/13/2011 7:38:11 AM EDTNow sure if this would be the place to post or not. And it has been answered before but my rifle is kinda unique. Anyways my question is whatshooting targetsshould I use to sight in my rifle(Bushmaster XM15E-2s m4 carbine with A1 rear sights similar to the rifle here- Bushmaster XM15. Now I’m not a noob when it comes to sighting these things in but am new to the