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