I spend most of my range time shooting the 2 and 300-yard gongs off hand. Once I get the rifle zeroed I'm either shooting from seated on the ground or standing off hand. I was at my best when I was shooting groundhogs two days a week back in Maryland.
Edit for side note: I was banging away at the 200yd gong with my scoped 223 and there was an ancient gentleman down at the end of the range matching me shot for shot with a '03A3 with iron sights. It was humbling.
That is the truth too! I was at our local range and an old timer was hitting a 5-inch plate at 220 yards shooting off hand with Winchester M70. 3 out of 3 was the norm. My barrel is waving all over the place with off hand range shooting.
What is the secret to better off-hand shooting?
