Otis Driftwood (Bill Moseley) uses a Colt M1911A1 to kill Deputy Naish (Walton Goggins) and Denises father.
Colt Diamondback
Killer Karl (Chad Bannon) one of the two robbers in the opening scene uses a Colt Diamondback to attempt to rob Captain Spaulding (Sid Haig).
Colt Lawman MK III
Captain Spaulding (Sid Haig) pulls a Colt Lawman MK III revolver from under his counter to take out the two robbers
Ruger Redhawk
The second robber Richard Wick (David Reynolds) carries a Ruger Redhawk Revolver.
Sawn-Off Single Barrel Shotgun
During one of the random intermission scenes, a man known as Lewis Dover is wielding a Sawn-off single barrel shotgun, it is more than likely an H&R or New England Model shotgun.
Colt Trooper
Lt. Wydell (Tom Towles), Deputy Naish (Walton Goggins]]), and Mama Firefly (Karen Black) all carry Colt Trooper Revolvers. Mama Firefly notably uses one to execute Lt. Wydell.
Smith and Wesson Model 36 "Chief's Special"
In a continuity error, Mama Fireflys Colt Trooper becomes a Model 36 "Chief's Special" when she shoots Wydell.
Winchester Model 1300
Rufus uses a Winchester Model 1300 Shotgun to shoot out the teenagers tire on their car