airsoft toy m4 upper receiver blank

thingiverse

Here's the plan: this blank receiver should bolt onto any TM-based M4 AEG barrel. If you know what I mean, the barrel should slide right in. You can add whatever features or look you're going for. Or, if that's not your thing, you can print it as is and get the lightest AEG upper ever! Let's see what you've got! P.S.: I included two pictures of the potential of this blank receiver - basically a replica of the Krytac LMG-E upper. If you like what I created and want to print one for your M4, please email me at alexdeguz@hotmail.com. I'll ask for just 40 quarters PayPal'd, and we're good to go!