Flintlock pistol model with dolphin lock.
texture packs: PBR, Unity, Unreal Engine. 2048x2048 .png
PBR Maps: Base_Color Normal OpenGL (Normal_OGL) Ambient occlusion (AO) Glossiness Metallness Specular
Unity: AlbedoTransparency MetallicSmoothness Normal
Unreal Engine: Base_Color Normal OcclusionRoughnessMetallic