You're English isn't much better than MK's. And that script isn't better than MK's scripts.
This is your corrected script, read it and try to understand your mistakes.
009A: 1@ = create_actor_pedtype 7 model #BALLAS1 at 2237.1409 -1268.2859 25.3672
01B2: give_actor 1@ weapon 22 ammo 9999
wait 5000 // Why did you put this wait here?
0249: release_model #BALLAS1
0249: release_model #COLT45
I know you aren't MK btw.