This is the Soviet and Russian 73mm OG-9M (OГ-9M), a High-Explosive Fragmentation,
fin-stabilised, projected grenade, the complete round being designated the OG-9VM
also made in Bulgaria. There are two basic OG-9 types of HE-Frag rounds, the OG-9V
and OG-9VM, differing only in the weight and type of explosive
in the cast-iron warhead on the projected grenade.
Firing is carried out from smoothbore gun 2A28 Grom, installed on infantry fighting vehicles BMP-1 (БМП-1)
and paratroopers BMD-1 (БМД-1), as well as from SPG-9M (СПГ-9М) grenade launchers.
It has been actively used in Russia's war against Ukraine since 2014.

Dimensions of the assembled model 830(max)x73(82max) mm. - original size.
The model is made in SolidWorks. It is intended primarily for 3D printing stand model - training model,
for use as a visual aid and is not a complete copy of the external forms of the original product.
Although it does display all the basic external elements. The model is adapted for the possibility
of 3D printing and subsequent assembly of the product layout.
The model is assembled, contains files of all conditional parts (STL) in high-polygonal version
to obtain qualitatively smooth forms. Additionally,
the set contains all files for obtaining high-quality realistic visualization with close-ups (smooth lines,
selected surfaces for applying materials or textures),
texture file are texture inscriptions (markings) for applied to surfaces.(see rendering examples).
In addition to solid model file formats, converted high detail polygonal file formats are additionally provided.
Mesh:
Vertices 640394
Faces 1280888
(OG_9.obj)
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