Here is Kevin Cornell with a 260kg(562lb) back squat. One of the nations top 105kg lifters.
Back Squat 5×7
Add 5-10 lbs from last week.
Tabata (20 seconds on, 10 seconds off, 8 rounds) of the following movements:
KB snatches (50#/35#) or DB snatches (45#/30#) (switch arms each round)
Hand release push-ups