The UBAR 3D printed lower AR receiver has been tested to work well in eSun PLA+. If you have a side charging AR, one without a forward assist, or you removed/plugged your forward assist, you can print the no forward assist version, as it will be slightly stronger. Print the forward assist version if you have a forward assist installed on your rifle. Otherwise, the standard lowers will be more robust (since lowering the shelf increases a stress concentration in the lower).įor all the high and low-shelf variants, there are two sub-variants – lowers that have a cutout for the forward assist, and lowers that do not. Print one of the low-shelf models if you use an FRT trigger or other device requiring a low-shelf receiver. UBAR2 and UBAR2C have four sub-variants: high-shelf options and low-shelf options. Printed Parts Checklist:įour variants are the UBAR2, and four are the UBAR2C – the “C” designation indicates that the lower has a little extra clearance required for some side charging/billet/nonstandard uppers. Using a U-Bolt to reinforce the rear tower and rod end eye bolts to reinforce the front takedown lug, the UBAR is a contender for the strongest printable AR15 lower design at its time of publication.
*Moderator discretion applies.At the core of the UBAR’s design is its simple reinforcements – using hardware store metal parts solves the major design concerns that printed AR15 lowers face. Moderator decisions are final, please respect the moderator team and their actions. Make sure to follow the guidelines outlined in the Reddiquette for a more pleasant experience. Recent News Official LinksĪs well as the above rules, the Reddit Content Policy is in place as well - please familiarize yourself with this. Please make sure to follow the rules noted below in the side bar. This is an unofficial, community-run subreddit. Escape from Tarkov is a hardcore and realistic online first-person action RPG/Simulator with MMO features and a story-driven walkthrough currently in development by Battlestate Games.
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