BudsGunShop.com - What type of rifling?

Joshua, yes, this Rifle has a 20" Heavy Carbon Steel Barrel that;s Threaded Muzzle 5/8x24 TPI with Thread Protector , and a 1:10 Twist with 5R-Rifling.

yes it has 5R rifling Specifications and Features:
Savage Arms 110 Tactical 57006
Bolt Action Rifle
.308 Winchester
10 Round Detachable Box Magazine
20" Heavy Carbon Steel 5R Barrel with 1:10 Twist
Threaded Muzzle 5/8x24 TPI with Thread Protector
Drilled and Tapped with 20 MOA Picatinny Rail
Tactical Oversized Bolt Handle
Savage Arms Adjustable AccuTrigger
Savage Arms AccuStock with Soft Grip Surfaces
AccuFit System LOP Inserts and Changeable Comb Risers
Rubber Recoil Pad
Sling Swivel Studs
Matte Black Finish
Overall Length 43.25" to 44.2"
Weight 8.65 lbs