White Lightning is a 1973 action comedy starring Burt Reynolds as Gator McClusky, a former moonshiner who finds himself working with the Feds to expose a corrupt sheriff. Reynolds would return to star in the 1976 sequel, Gator.
The following firearms were used in the film White Lightning:
Sheriff J.C. Connors (Ned Beatty) and some of his deputies (including one played by Conlan Carter) carry Smith & Wesson Model 10 revolvers. Several Arkansas highway patrolmen are also seen with Model 10s.
Rifles
Unidentified Rifle
A prison guard who watches Gator escape from prison carries a rifle, possibly a Winchester Model 70.
M14
During the funeral procession at the end, M14s are seen carried.
M16
Also seen during the funeral procession at the end, is one M16 rifle.
Shotguns
High Standard K121
Sheriff J.C. Connors (Ned Beatty) uses a High Standard K121 to blow holes in Donny McKlusky's boat in order to sink it during the opening sequence. Gator McKlusky (Burt Reynolds) later grabs a similar shotgun from Dude Watson (Matt Clark), firing it into the ceiling of Dude's garage during the struggle.