B-000 (M4 adapter)

This is an M4 adaptor inspired by https://www.printables.com/model/1244923-aap01-smg-like-m4-hpa-adaptor, since I'm not experienced in designing from scratch, i take inspiration from this for the tube feeding system. AAP01 mag base for adapter also from the same designer above so you can download from there. M4 magazine adaptor remixed from https://cults3d.com/en/3d-model/various/adaptateur-hi-capa-hpa-m4 Mag catch from same designer above Hardware required: Spring (mag catch) M3 screw (Mag cat…

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