At 14:13 the bartender serves a McCulloch while speaking to his guest, the bottle appears out of nothing between the two. That's at least product placement, because one can enjoy a neon ad in the next shot as well, or they cut out some seconds not notable in the ongoing conversation. The bartender first does not seem to join in as well and suddenly has a glass in his hand as well.
At 1:27, after the red SUV rolls over and Bricke exits the vehicle, the stock of his rifle changes between an adjustable stock and a folding stock.
During the fight scene next to the truck, the hand gun on the floor keeps changing positions.
17:17, she orders a drink just after pinching an ice cube out of his almost empty glass. Quite an intense scene and the direct reverse angle shows them both continuing to drink from now filled glasses.
Graham pours Diesel over a guy in a tub and puts a burning cigar in his mouth which later ignites the Diesel when it falls down. You can't ignite Diesel with a cigar as its flash point is too high. In addition, it does not just ignite, there even is a big explosion. Diesel in a tub does not explode even if you manage to ignite it.
Near the first part of the movie, when in the police headquarters, officer Sawyer refers several times to his supervisor as "sergeant" yet the supervisor's uniform does not display sergeant stripes, it clearly shows collar brass displaying lieutenant bars.