I recently purchased my first Glock! I am new to this, so please excuse my dumb questions. It is a Glock 19. My question is this: I bought some ammo at Walmart that says Winchester Luger on it. Will this ammo work since my pistol is not a Luger? In addition, It says that it is for the range, but will it work against an intruder as well? Again, I am new to this and I know my questions may be elementary to most of you, so please bear with me. Thanks!