Ask the Community

Good evening to you!! Yes, the upper and lower receivers on the ATI Alpha Maxx are made of polymer. However, they are also reinforced with metal inserts, particularly in areas that experience high stress, like the barrel interface and buffer tube interface. Have a good night.

Yes, the upper and lower are both made of polymer.

Hi Joshua and welcome. Both the upper and lower are polymer with metal insert reinforcements. The Alpha Maxx lower features a patented hammer and trigger pin retainment system, preventing movement from the hammer and trigger pin during firing. The Alpha Maxx also features ATI's patented over-molded metal insert, which reinforces the buffer tube housing and rear takedown pin. This allows for metal-on-metal contact with both the buffer tube as well as the rear takedown pin thus increasing strength and durability from recoil and consistent firing. Cheers, stay safe and enjoy!