Recipe for Heavy Bread - S2-E2
Trivia: At the end, the tow truck the car goes up and over is the same one that was the stand-in for the real tow truck at the end of S1:E14 "A Nice Place to Visit." The damage done to it was by it being flipped and landing on it's right front corner.
Answer: They never use an M14. The nearly always use a Ruger Mini 14, a totally different weapon.
stiiggy