Originally Posted by bwalka
Full flat top. The old m16 style stock. Maybe other calibers besides 223/556. Shorter barrel like 16-20 inches nice trigger
Are you plinking, shooting long range, CQB? The barrel length and twist will change the performance of the gun base on wich one you choose. The other caliber choices you have are 300 blackout, 6.5,6.8, 7.62x39, 5.45 if staying in the AR15 platform.