Thunderbolt Lower Hardware Kit

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Product Overview

enough nuts, bolts, and pins to complete your printed .308 Thunderbolt receiver

-for the printable AR-308 receiver by the same creator of the Firebolt and Waffle magazine designs

-includes U-bolt and front/rear takedown pins as well as a self-tapping grip screw


developer btc donation link: 13FPy76JtSpi9vZQL24yiBiGNDNtW9div4

developer twitter account: @not_spookyguns


This is not a firearm, whole or partial.


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Thanks to the very generous contributons from our team sponsors, Team Rock-N-Lock will be attending The AK Masters in Clinton, SC in June. With our funding, we're able to help feed, clothe, house, and transport a team of 15+ shooters, two photographers, and a few onlookers.