三脚架一般是为提高后坐力较大的重机枪的射击稳定性和需要特殊瞄准方向的武器(高射机枪)而专门设计的,常用于阵地战中。而伞兵型M249轻机枪是一种轻型班组火力支援武器,发射5.56mm步枪弹,单兵抵肩就足以承受其后坐力,且枪管下方的两脚架已经能够很好地保持其射击的稳定性。像图中这样将带有两脚架的伞兵型M249轻机枪加装在三脚架上不知是出于何种目的, Tripod is generally designed to improve the shooting stability of recoil heavy machine guns and weapons (anti-aircraft guns) need special aiming direction, commonly used in positional warfare. The paratrooper M249 light machine gun is a light fire support team, firing 5.56mm rifle shells, shoulder to shoulder alone enough to withstand the recoil, and the barrel below the bipod has been able to well maintain the stability of its shooting . Like this picture will be equipped with bipod parachute M249 light machine gun mounted on a tripod I do not know is for what purpose,