Heretic Thoth Titanium Green Aluminum Barrel Tactical Pen

Modular design - 2 pens in 1.... 

OAL : 5.02" or remove the middle section 3.48"

Simply unscrew the barrel and remove the pen cartridge extension and the barrel and now you have 2 pen options in one.

Uses Fisher Space Pen Refills

Aluminum and Titanium 

Stonewashed Titanium Cap and Tail

Green Anodized Barrel

Battleworn Ti Bolt and Stonewashed Ti Pocket Clip