Wikipedia:Articles for deletion/Thunder-B (Airsoft grenade)
to Flashbang grenade.  It's been around for four years and |redirects are cheap.  But yes, it fails 
— User:StraussInTheHouse, 00:52, 19 February 2019 (UTC)
Stance: merge
Cited policy: WP:CHEAP||WP:NPRODUCT (Wikipedia:Redirects are cheap)