MOAI Boresighter Case

I got tired of nearly losing the small pieces of this laser boresight and the rubber band around the carefully opened bubble package it came in was not doing the job anymore...so I designed a custom case. I started with someone elses knurled tube case, but I can't remember the original design or designer so apologies to that guy, but I drastically changed it.

Main case holds the boresighter unit without any caliber attachment.
It has a rotating sleeve with 8 labeled positions/pockets labeled for the included OEM gauge/caliber size attachments:
-Closed
-LR44 (spare batteries)
-12-20 Gauge
-.440-.50 Cal.
-.338- .357 Cal.
-.270-.320 Cal.
-.220-.250 Cal.
-0.17 Cal.

The pockets are somewhat generously sized for the attachments and all the small pockets are about the same size so it may work with other brands of boresighter. This one was designed around a Center Point brand model CPLBS1745. I imagine this is a generic design repackaged by multiple vendors.

Three main pi