Open-source upper receiver for forward ejection, suitable for all AR-style SD toys

by 寒冰墨影－B站 · Other Hobby & DIY

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USE PETG OR PETG-CF is batter

AR GBB Water bullets Water bomb accessories wargame Receiver

Category

Other Hobby & DIY

Source

MakerWorld

Published

09.06.2025

Updated

30.05.2026

What you need to print this: Beginner Low confidence

Single piece

Supports 1/3

Assembly 0/3

Settings 1/3

Bed size 0/3

Post-process 0/3

Printer

FDM / FFF

File format

STL

Material

PETG, Carbon Fiber

Software

Cura, PrusaSlicer, or similar

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