Spear. Melee or Ranged Weapon Attack: +3 to hit, reach 5 ft. or range 20/60 ft., one target. Hit: 4 (1d6 + . 1) piercing damage, or 5 (1d8 + 1) piercing damage if used with two hands to make a melee attack. Guards include members of a city watch, sentries in a citadel or fortified town, and the bodyguards of merchants and nobles.
Senses: passive Perception 12. Languages: any one language (usually Common). Skills: Perception +2. Speed: 30 ft..
RollQuest ships the D&D 2014 SRD as a content pack, on a 5e character sheet that does the maths - roll from the sheet and let the numbers work themselves out. Free to start.