Which lubricants are specified for the MK19 system?

Which lubricants are specified for the MK19 system?

• A. LSA, GMD, LAW
• B. LSA-T, GMD
• C. LSA-T, GMD, LAW
• D. LSA-T, LSA, LAW

Answer: (C)

Lubrication for the MK19 must cover different needs across the system: smooth operation of moving parts, protection under high loads and heat, and resilience against weather conditions. LSA-T is the temperature-stable lubricant used for the weapon’s internal moving parts, helping reduce friction and wear during firing. GMD is a grease chosen for high-load, exposed surfaces where oil would fling off, providing lasting lubrication where parts contact or pivot under stress. LAW is the all-weather lubricant used to protect exterior surfaces and prevent corrosion in adverse conditions. Using this combination ensures the entire system stays protected and operable across operating environments, from fast-moving components to external metal surfaces. Therefore, the MK19 requires LSA-T, GMD, and LAW.

Lubrication for the MK19 must cover different needs across the system: smooth operation of moving parts, protection under high loads and heat, and resilience against weather conditions. LSA-T is the temperature-stable lubricant used for the weapon’s internal moving parts, helping reduce friction and wear during firing. GMD is a grease chosen for high-load, exposed surfaces where oil would fling off, providing lasting lubrication where parts contact or pivot under stress. LAW is the all-weather lubricant used to protect exterior surfaces and prevent corrosion in adverse conditions. Using this combination ensures the entire system stays protected and operable across operating environments, from fast-moving components to external metal surfaces. Therefore, the MK19 requires LSA-T, GMD, and LAW.