Define "better".
Many hand guards will function the same for you. It will come down to personal preference. The look you want, the size that fits your hand, what you may want to mount on it. Many will work with your existing gas block. Sounds like you're shooting 1moa which is pretty acceptable for most shooters. 1/2moa guys typically have heavier barrels, longer barrels, and shoot premium or hand loaded ammo. If you're just looking for it to improve your grouping at 100 yards, what ammo have you tried? So many questions we ask when all you want is one simple answer. Welcome to the forum.