Embodiments of the present invention relate generally to systems and devices for resolving factors affecting the trajectory of {HEAD ~ a bullet} fired from {TAIL ~ a firearm} 
fired from
Embodiments of the present invention relate generally to systems and devices for resolving factors affecting the trajectory of { HEAD ~ a bullet } fired from { TAIL ~ a firearm }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL