Release of the cover strap causes movement of the hinge by {TAIL ~ the spring} to position the magazine in {HEAD ~ a position} for facilitating one handed loading of the magazine into an automatic pistol by the user 
Release of the cover strap causes movement of the hinge by { TAIL ~ the spring } to position the magazine in { HEAD ~ a position } for facilitating one handed loading of the magazine into an automatic pistol by the user
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH