She was using the original Sword Art Online Nerve Gear, which had the capability to kill you.
The difference with the Nerve Gear and the Amusphere are the safety mechanisms put on the Amusphere to prevent the software from killing you by inducing high voltages into your brain. This is also why Pito didn't get auto ejected when hyperventilating.
Yes, Pito ...
LLENN has her 'Satellite Scan Terminal'in her left breast pocket, which is in an 'Immortal Object' according to Squad Jam rules. That is why bullets could not pass through it.
This is the same as her using dead bodies as shield, as they were also 'Immortal Object's.
The details of the guns in the game were actually quite basic. Here are three spots in novel #5 that mention specs on real guns used in the game:
Before the title page- Here, it says facts about Sinon's Hecate II, things like the length of the gun and the size ammo it uses. Also the fact that, in real life, the gun has been banned from being used on human ...
In Accel World S1E22 ~17:00, the main character is doing some research which references the NerveGear.
NerveGear : The first VR Machine of the 2020's
Therefore, the story timeline place Accel World after SAO.
Combined with various Wikipedia articles, chronological order of the Anime is:
Sword Art Online
Sword Art Online Extra Edition (...