I'm pretty sure you guys are not shooting these long range groups off hand. What are you shooting off of? Care to share pics of your setup, or any info you'd like to share about your technique, or shooting position?
I'm planning to build a not-exactly-portable shooting table soon. Something similar to this, but with no attached bench to sit on (image swiped from google search results):
I'm planning to build a not-exactly-portable shooting table soon. Something similar to this, but with no attached bench to sit on (image swiped from google search results):