Paul and Bill, McM-Carr does have the threaded rod ends to adapt the gas strut, takes some looking.  The 6mm female thread eyelet ends are part No. 6465K61. They have a .39 eyelet bore (3/8”), and they each add .83” to the length of the strut.  But the strut (part No. 9416K15 or 9416K336) has 10.71” extended length not counting the male 6mm thread on each end.  So if the strut is entirely threaded into the eyelet on each end, the total center-to-center length is 12.37, just enough, depending on where the upper mount is located.  The eyelet is priced at $2.61ea. so the total change is $18.26 (strut is $13.04).  Of course the ends can be reused, and by unscrewing the strut from the upper eyelet at change time, you avoid the knuckle busting chore of removing the upper bolt, and change out as often as you wish for $ 13.04.  Might be advisable to use a thin lock nut on the bottom end to prevent strut turning.