The JETBeam extended body allows the operator to use the M1X or M2S with one additional: CR123(Total of 4), or to be operated on two 18650 Li-Ion batteries. The Cell Extender will increase overall length of M1X by approx. 2". There are two versions of the extender. One with a combat grip ring and one smooth version without the ring.
This is the version with combat ring as shown in the picture.
Note: This is dark gray finish.