The P18 is the 18-inch-tall pedestal in the MSG P-Series pedestals. It is designed to support a light (5.56mm) or medium (7.62mm) machine gun. The mounting hole pattern is the same as that of the MK16 MOD8 Stand and the top of the MK16 Tripod.
P18 18″ Fixed-Base Pedestal
The P18 is the 18-inch-tall pedestal in the MSG P-Series pedestals. It is designed to support a light (5.56mm) or medium (7.62mm) machine gun. The mounting hole pattern is the same as that of the MK16 MOD8 Stand and the top of the MK16 Tripod.

SXV Full M240
TUR2405
RZR-050
RZR-1040