5 Pull Ups, 10 Sandbag Deadlifts, 10 Push Ups. 10 rounds.
Sub the pull ups for australian if you need to, take whatever grip you need to for the deadlifts and perform the push ups from the knees if necessary.
I managed 12:16 with a 70kg/155lb bag.
Sandbag Training For MMA & Combat Sports
Sandbag Training Guide on Kindle
The Complete Guide To Sandbag Training
Brute Force Sandbags
www.facebook.com/sandbagfitness
http://fitedia.com/ - Health and Fitness eBooks, video, audio and workshops