Complex sentence: Airguns and airsoft guns are also used, often for cost or safety reasons or because they are subject to less stringent regulation; and a similar practice with a bow and arrow is usually termed "stump shooting".
Split into simpler sentences: Airguns and airsoft guns are also used, often for cost or safety reasons or because they are subject to less stringent regulation. A similar practice with a bow and arrow is usually termed "stump shooting".