$8 AK - Pistol Grip - Magpul Low-poly 3D model by Raider3DWeapons. Available on CGTrader with 850 polys and 430 vertices. Check it out on CGHub.
MAX (Autodesk 3ds Max, filesize: 728 KB), FBX (Autodesk FBX, filesize: 48.8 KB), TEXTURES (Textures, filesize: 21.2 MB)