Main Bad Guy has a Colt Single Action Army (SAA) revolver with a 7.5" barrel. Near the end of the show it changes to a Colt SAA with a 4.75" barrel.
When Annie returns to the office after climbing she says she was climbing Seneca Rocks. The visuals of the rocks shown are nothing like Seneca Rocks which is in West Virginia. Seneca Rocks has two distinct humps and is not a rock wall as was shown.
When Annie asks how many hostages Augie says it is her job to find out. The eco-terrorist sent a video showing all the hostages so the number of hostages was known.