I recommend a 1-4x power scope. Best of both worlds. Primary Arms makes a 1-4x that is affordable. I have a Bushnell 1-4x on my M&P15-22 that's nice and it was under $100. I'm also looking heavily at this optic. Has great reviews and is calibrated for a .55grain .223 projectile.
Optisan 1-4x24 Mamba / EAR30 Mount Combo