Release date?
I saw the trailer during Swiss Army Man and don't remember what the release date was
shareSometime in March 2017, according to the Film4 Twitter account: https://pbs.twimg.com/media/Cr1lgi2W8AA8h10.jpg
shareYup, it will be March 17th to be exact, according to distributor A24:
http://www.hollywoodreporter.com/news/brie-larsons-trigger-happy-feature-free-fire-gets-a-release-date-946176
That is the general release. Keep an eye out for any film festival that's close enough for you to attend. I saw it last night at the Brighton Cine City festival (it was shot in the city, and Ben Wheatley lives here, but it also was shown at the Toronto Film Festival).
"You'll find it's a very small universe when I'm angry with you"