Introducing the SL-15 | My Best AR-15 Lower Yet
This guide details the assembly and features of the Hoffman Tactical SL-15, a 3D-printed AR-15 lower receiver. It covers design improvements like aluminum front plates, an integrated grip, and robust buffer tower reinforcement. The video also showcases the lower's durability through rigorous stress testing, including push-ups and drop tests, highlighting its potential for DIY firearm enthusiasts.












