" It seems this author wants to interpret "not a single" to suggest that if anything is "not just one" the range must be "multiple" (justifying him indicating "for that reason not singular"). I disagree: suggests, choice between the two is more a subject of fashion (which can be subjective), https://eduardoeoxgn.eqnextwiki.com/5289669/the_2_minute_rule_for_5_45_x39_ammo_for_sale