M4 with MASS

1/12 scale M4 with MASS, the U.S. military's standard M4 carbine fitted with the Multishot Accessory Shotgun System — an underbarrel shotgun attachment providing close-quarters breaching and area-effect capability alongside the rifle's standard 5.56mm fire. Compatible with standard 1/12 scale figures. Available as a physical resin cast or a digital STL file.

• Scale: 1/12 (6-inch compatible)
• Unpainted — ready for custom paint application
• STL option: digital download, optimized for resin and FDM printers

3D printed products may require minor post-processing. Support remnants, layer lines, or slight surface variations are normal and can be cleaned up with a hobby knife, needle files, or light sanding. Final appearance may vary slightly depending on printer settings and material used.