Sigma Customs Sirius 18500 custom flashlight for every day carry made out of aluminum with an Acme grip and 5000k 219Cs led lights that are a brighter daylight neutral. These lights are hand made one at a time on a manual lathe. The Sigma Customs Sirius 18650 lights are double springed so that a range of cells may fit, but intended for flat-top batteries, although unprotected button tops should fit if they are close to the regular cell size. A protected cell may fit, but might require clipping a little of the driver spring off. 18500 hosts use a brass button for the contact, and are sized for the 53mm 1700 mAh, keep the power at 18500 as it seems to be the best all around 18500 cell for moderate drain applications. Panasonic NCS18500As have also been tested to fit with a solder dome added to the button if you prefer that cell. Although brand new, there is some minor tarnishes that are so minor they can not be picked up by the camera.
SIZE:
Length: 4.31″
Diameter: 0.47″ head & tail
WEIGHT: 3.3 oz
BATTERY: 1 x 18500 (NOT Included)