The milspec green anodized aluminum capsule measures one inch in diameter and is 4.25 inches long. The unit weighs 2.5 ounces, which is a little heavier than most fire starters, but has the added advantage of a waterproof tinder container.
While it can successfully be argued that bullseye shooting can teach a lot about marksmanship, it is also a fact that marksmanship is but one-third of the Combat Triad (the other two sides being Manipulation/Tactics and Mindset).