Crossbow Mark-III is a low-poly game-ready model. It consists of 3 objects - crossbow, bolt and scope
Crossbow - 13193 faces, 17732 trisesBolt - 688 faces, 772 trisesScope - 2706 faces, 3520 trises
Crossbow and Scope textures contain of 4k normal maps - baked in Marmoset Toolbag - and 4k textures - textured in Substance PainterBolt textures contain of 2k normal maps and 2k textures
To get the same glass material as in renders assign 'Scope Glass' material in Blender file to the scope's glass other way scope glass will remain non-transparent.