Which melee weapon only has one rarity?

The normal Pulse Rifle has a shorter barrel

What weapon is this?

The EvoChrome Burst Rifle decreases in damage per rarity because it increases in fire rate and burst amount

Which weapon deals less damage with higher rarities?

From v13.20 to v14.60 the Charge Shotgun's mag was 3 for Common, Uncommon & Rare, 4 for Epic & Legendary and 5 for Mythic

Which weapon at one point had three different mag sizes at the same time?

The Heavy Shotgun's design changed in C3S1, the Revolver got a second design in C1S9, the Scoped AR got a second design in C2S2, and the Machine SMG was always just an Uzi since the OG SMG never shared its name and the version that shared its WID remains unreleased to this day

Which of these weapons has only had one design 

The Compact SMG was removed from Creative in C4S2 and still hasn't returned. We did however get a version of the C2 P90 which they consider good enough, meaning we may never see the real Compact SMG again.

Which of these weapons is NOT in creative?

The Wookiee Bowcaster's category is "ㅤ". While this is obviously an oversight/bug, it is also the newest weapon category!

What is the most recent weapon category added?

The High Stakes' Shotgun is the Creative exclusive mythic variant of the Wood Stake Shotgun

Which of these weapons IS in creative?

The fire rates of the others are 0.85, 0.65 & 1.05

Which shotgun has a fire rate of 0.95

The Tactical Pistol, Tactical DMR & Tactical SMG all exist. We have not yet seen a Tactical Sniper Rifle