This is the Ammo 45-70 3d model, originally created in Blender and rendered with Cycles. High resolution textures exported out of Substance Painter for Unreal Engine and Unity as well as default for any other possible use. Material, meshes and texture names follow an easy to understand naming convention.You can buy Lever action rifle Marlin here:
https://www.cgtrader.com/3d-models/military/gun/lever-action-rifle-marlin
Full PBR texture maps at 1K resolution:Base colorAmbient OcclusionRoughnessMetalnessNormal
Unreal Engine:Base colorNormalOcclusionRoughnessMetallic
Unity:AlbedoTransparencyMetallicSmoothnessNormal
Model has clean topology and geometry