Firing mode

Cezar - It would accommodate a full-auto fire control group. Now, all you need is the government's permission to build a full auto rifle ... Better bring a lunch - that would take a long time. :-)

Per the manufacturer's web site, this receiver does have a "low shelf" to accommodate a full auto sear. spikestactical.com/collections/stripped-lowers/snowflake-lower/

Cezar, it is "Full Auto" capable. This will depend on the trigger group/sear you install of course. Cheers!