Which of the following baseplates weighs 3.6 lbs?

The M8 baseplate is the one that weighs 3.6 lbs. This lightweight design allows for easier mobility and handling by Marines during operations. It plays a crucial role as a stable platform for launching projectiles, particularly when using mortars. The specific weight of the M8 baseplate is significant because it helps operators balance the need for stability with the requirement to maintain maneuverability in various combat scenarios.

Furthermore, knowing the correct weights of equipment like the M8 aids in logistical planning and ensures that Marines can effectively utilize resources during missions. Understanding specifications such as weight is vital for maintaining operational efficiency, especially when considering the weight limitations that soldiers and Marines face when carrying gear.