Colt SP1 Vs Colt AR15-A2
This review compares the Colt SP1 and AR15-A2 Sporter, focusing on accuracy differences attributed to their 1:12 and 1:7 twist rates, respectively. While both performed similarly with 55gr ammo at 100 yards, the A2's adjustable sights proved superior for longer ranges. The SP1's older twist rate surprisingly stabilized heavier match bullets.









