Complex sentence: For longer ranges, high explosive anti-tank rounds are better, but accuracy still suffers and for extremely long ranges, anti-tank guided missiles (ATGMs) are considered to have a better chance of hitting the target.
Split into simpler sentences: For longer ranges, high explosive anti-tank rounds are better, but accuracy still suffers. At extremely long ranges, anti-tank guided missiles (ATGMs) are considered to have a better chance of hitting the target.