To be honest Gil, I never used a laser boresighter. I used to zero the new Guard L85 rifles, with the new guard every Wed morning here on the 25m range before lunch, before they changed guard for their weeks stint. Some iron sights, some SUSAT. Sit around on the firing point, have a chat, go through the armed protocols etc etc in a relaxed way. Never found the need for the laser. Where we did find it useful was - do you remember that adjustable grenade sight thinggy/abortion that went over the top of the SUSAT? We had to fit these to 300 rifles and used the laser boresight down in the QM's cellar where it was dark to adjust the grenade sight to a point relative to the bore.

The good bit was that the rifle grenade was declared obsolete soon afterwards because the power from a ballastite cartridge was crap and the Australianicon ADE shoot-through grenade was 'found wanting' after another SASC Captain was blown up while firing one during a demo!

Sorry for going off at a tangent. A bit like that grenade I'd say.........