# Sergey Koznov - Magpul STR Carbine Stock AR15 M4 Tactical Buttstock PBR Game Ready 

**URL:** <https://forums.unrealengine.com/t/sergey-koznov-magpul-str-carbine-stock-ar15-m4-tactical-buttstock-pbr-game-ready/2855762>\
**Category:** Product Discussion\
**Tags:** fab\
**Created:** [November 14, 2026, 9:00am UTC](https://forums.unrealengine.com/t/sergey-koznov-magpul-str-carbine-stock-ar15-m4-tactical-buttstock-pbr-game-ready/2855762 "2026-11-14T09:00:25Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![SergeyKoznov](https://d1ap1mz92jnks1.cloudfront.net/user_avatar/forums.unrealengine.com/sergeykoznov/32/1056404_2.png) [@SergeyKoznov](https://forums.unrealengine.com/u/SergeyKoznov)\
**Post date:** [November 14, 2026, 9:00am UTC](https://forums.unrealengine.com/t/sergey-koznov-magpul-str-carbine-stock-ar15-m4-tactical-buttstock-pbr-game-ready/2855762/1 "2026-11-14T09:00:25Z")

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E-mail for collaboration: **koznov.sergey@gmail.com**

High-quality, game-ready 3D model of the Magpul STR (Storage/Type Restricted) collapsible carbine stock in Matte Black finish. Designed as a drop-in replacement buttstock for AR-15/M4 carbine buffer tubes, this attachment features authentic proportions, crisp mold markings, and realistic surface micro-wear—ideal for first-person shooters (FPS), weapon customization systems, VR/AR projects, and military simulations.

Key Features:

- Game-Ready Topology: Optimized low-poly mesh with clean geometry and smooth shading, tailored for close-up first-person camera views.

- Realistic PBR Texturing: Authentic matte black reinforced polymer surface, ribbed rubber buttpad, steel QD sling mount socket, embossed factory markings (STR, MADE IN U.S.A. PATS PENDING), and subtle dust and edge wear.

- Rig & Animation Ready: Separated functional parts including the shielded adjustment release latch, front friction lock lever, removable battery storage tube caps, and rubber buttpad.

- Universal Compatibility: Standard Mil-Spec carbine receiver extension (buffer tube) fitment for seamless integration onto AR-15, M4, M16, HK416, and tactical shotgun platforms.

- Real-World Scale: Modeled to accurate real-world dimensions (Metric/Centimeters) with transforms reset and centered at the origin.

Technical Specifications:

- Polygons / Triangles: 2,994 Polygons / 2,994 Tris

- Vertices: 1,551 Verts

- UV Mapping: Non-overlapping unwrapped UVs with optimized texel density.

- File Formats: .FBX, .OBJ, .BLEND / .MAX /

- Render Engine: Preview images rendered in Marmoset Toolbag.

- Textures & Materials:

- Resolution: 4096x4096 (4K) in .PNG format.

- Texture Sets: 1 Complete Texture Set

- Included Maps: BaseColor (Albedo), Metallic, Roughness, Normal (DirectX & OpenGL), and Ambient Occlusion (AO).

- Engine Presets: textures ready for Unreal Engine and Unity, PBR textures set.

About YONEEKA:With over 5 years in the industry, YONEEKA is a dedicated team of experienced 3D artists. Our extensive participation in diverse projects has refined our understanding of client needs. Each model we develop undergoes a rigorous quality check, both visually and technically, ensuring unmatched realism and top-tier quality—as evident in our renders, all of which are post-processing free.Our primary focus? Crafting impeccable 3D models. We aim to digitally replicate every object in the world. Trust in professionals for your 3D needs.

YONEEKA - 2026.

> **[Magpul STR Carbine Stock AR15 M4 Tactical Buttstock PBR Game Ready](https://www.fab.com/listings/7af801b8-9a88-42c6-9ed0-1554a3ef318a)**
>
> E-mail for collaboration: koznov.sergey@gmail.comHigh-quality, game-ready 3D model of the Magpul STR (Storage/Type Restricted) collapsible carbine stock in Matte Black finish. Designed as a drop-in replacement buttstock for AR-15/M4 carbine buffer...
