Ar15.com user [HaveBlue] has been working for some time on a 3D printed lower receiver, and now reports that the parts are fully working. Using a Stratasys 3D printer from the 90’s [HaveBlue ...
The Monolith 15A folding-stock carbine from Global Ordnance is loaded with features and innovations intended to improve upon the AR-15's 70-year-old design.
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