Alien: Romulus rifle weapon movie prop

Supposedly this is one of the props from Alien: Romulus for the new rifle, the one Cailee Spaney is seen wielding in the film:

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Love how it coincides with the leaks we shared earlier this month:

In the film, I've been told Rain handles a weapon that looks very close to what looks like the M41A3 Burst Rifle from the Aliens: Fireteam Elite game, however the gun itself has some aesthetic differences - the handle is higher up, larger barrel and a few other subtle design changes.