My normal (day in-day out) technique is to shoot the gun out of his hand, unless it's a really nice one like a Wilson Combat 1911.
It's really not that hard. I watched Roy Rogers and Gene Autry do it a thousand times when I was a kid. You just clear leather and shoot one-handed from the hip.
If somehow he got a round off, I would shoot the bullet itself while in flight :rolleyes: