both it is stainless with a Weather shield finish added see ****Thompson/Center Encore Pro Hunter Rifle Frame ****Stainless Receiver Weather Shield AP Camo FlexTech Stock 6299 Camo Stock, Matte Stainless Finish
Thompson Center Pro Hunter Frame now has Weather Shield Protection. It's highly corrosion resistant finish is a tough as nails.
The finish ia added to the barrel and other critical metal parts, this makes the gun nearly impervious to rust. *******Weather Shield
is 50X more corrosion resistant than Stainless Steel alone. Thompson Center's master gun makers have also teamed up with limb
saver to create the flextech stock system that was designed to absorb shock and reduce harmful recoil and vibration. It incorporates
four synthetic recoil absorbing arches that operate similar to a leaf spring to create a crush zone and allow the stock to compress
during the recoil process. The Pro Hunter rifle frame features a swing hammer safety that allows for easy access to the hammer spur,
the speed breech quick release breech plug that can be easily removed by rotating it only 90 degrees, the Pro Hunter extractor that
can be rotated left or right for easy access to the speed breech.
Specifications:
- Mfg Item Num: 6299
- Category: FIREARMS - RIFLES
- Action :Break Open
- Capacity :1
- Trigger :Adjustable
- Safety :Hammer
- Stock :Camo
- Flex Tech
- Finish :Matte Stainless

James, the Frame is "Carbon Steel with Weather Shield Metal Finish" with a "Camo FlexTech Stock and Forend". Cheers and you and yours stay safe!