does anybody use this gun aiming techinque, has it got a name

[raaaid]

when i was 12 i bought a couple bb guns i learnt naturally the best way of aiming though thank god dindt kill any birds:

lokk to the far objective with BOTH EYES, see the barrel double and make it perfect simetric with the objective in the center, hit of 0.2 mm target at 5 m

does this have a name?