A G19 upper? I would not trust that at all without the rails being metal... but that is doable... thats how they do the lowers, with a milled metal insert for the rail... but what about the HEAT? Do a mag dump and the slide get hot. This would be a big concern for me.
A G19 **upper**? I would not trust that at all without the rails being metal... but that is doable... thats how they do the lowers, with a milled metal insert for the rail... but what about the **HEAT**? Do a mag dump and the slide get hot. This would be a big concern for me.
I found this... Glock on Demand (files.catbox.moe)
I found this... [Glock on Demand](https://files.catbox.moe/4mprdb.mp4)
Still watching, but that is clearly a printed LOWER with a steel upper... and that is like factory glocks. Polymer lower with steel insert for the rail and a metal slide.
Still watching, but that is clearly a printed LOWER with a steel upper... and that is like factory glocks. Polymer lower with steel insert for the rail and a metal slide.
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