338 cal 9.3 twist SS Remington Varmint (#13) 29"

.830" at 28"", 5R rifling

338 9.3 twist SS Savage Large Shank Varmint 29"

1.125" breech for 2", straight taper to .900 @ 28" 5R rifling

338 9.3 twist SS #3b 29"
1.250" breech 5R rifling
.700" at 26" continued taper

338 9.3 twist SS #4 29"
1.250" breech 5R rifling
.750" at 26" continued taper

338 cal 9.3 twist SS Sendero 31" 1.250 Breech

.875" at 26"", 4" cylinder. 5R rifling

338 cal 9.3 twist SS Heavy Palma 31"

Bartlein #12. 5R rifling

338 cal 9.3 twist SS MTU 31" 1.250 Breech

5R rifling, .930 at 30"

338 cal 9.3 twist SS 1.350" #4 29"

.750" @ 26", 4" cylinder. 5R rifling. This barrel has a 1.350 breech diameter for 1.125" tenon actions (TAC338)

338 cal 9.3 twist SS Accuracy International AIMC 29"

this barrel has a 1.42" breech for the AIMC rifle system

5R rifling

338 cal 9.3 twist SS 1.350" MTU 31"

5R rifling, .930 at 30". This barrel has a 1.350 Breech diameter for 1.125 tenon actions (Surgeon XL, TAC338)