Bar code readers in POL? Oh Sir you jest.
I have recently left her Britannic Majesties Royal Air Force and whilst such modern technology as bar code readers was trialled on a limited basis it has yet to enter wide-scale use.
As for being able to perform an issue without having to leave the office, such a thing is but a mere flight of fancy for an Air Force that strives to be person for person the best in the world.
Nope, in Liz's Flying Club all POL issues are done the old fashioned way. Stacker with voucher puts down tea, jumps in vehicle and drives to relevant inflam store, drags boxes off the shelf and onto the vehicle, pops back for another cup of tea then delivers the required item some time after lunch.