Extremely well-made schlock
This review may contain spoilers. I can handle the truth.
Sometimes movies profoundly mess up or ignore details regarding firearms. There's a moment in the film where Brian Cox is holding a break-action shotgun and in the audio you hear him rack a round as if it were a pump-action shotgun. It's established that it's a side-by-side break-action shotgun, not a pump. During the sequence, Brian Cox checks to see that it's loaded, grabs two extra shells, fires twice, breaks the shotgun, reloads two shells, fires twice more, and is…