FAQs

What AR-15 upper should I use?

This depends on what Super Lower you want to print. The single rib Super Lower will work with almost any AR-15 upper receiver. However, the double rib lower must be used with slick side uppers that do not have a forward assist. Mil-Spec uppers will work with the single rib lower, as will Aero Precision […]

What Is The Right LR-308 Lower Parts Kit

LR-308 parts are very confusing. There are a number of standards, and many of the parts are not interchangeable. I would only use parts that are specifically “LR-308” or “DPMS” compatible. Palmetto State Armory PA-10 kit’s are a notable example of a kit that is not compatible, the bolt hold open lever is the wrong

What is the best 3D printer?

There are a ton of options, your budget and goals will determine which you buy. I use the Prusa i3 MK3, a great machine, though a bit out dated by todays standards. The Ender 3 line of printers from Creality is extremely popular for a reason, because they are low cost and can work quite

What filament do you use?

Tough question. We use a number of different filaments. There are always pro’s and con’s. Check out our page dedicated to filaments under the “Learn” menu.

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