Question 1

Which is cheaper, Glock-18 | Sand Dune or Glock-18 | Blue Fissure?

Accepted Answer

Catalog floor: Glock-18 | Sand Dune $7.39 vs Glock-18 | Blue Fissure $3.91. Pattern, float and stickers can invert that on inspect markets.

Question 2

Are these the same collection for a trade-up?

Accepted Answer

No — Glock-18 | Sand Dune is The Alpha Collection, Glock-18 | Blue Fissure is The Arms Deal 3 Collection. Trade-up output weights follow input collections.

Weapon	Glock-18	Glock-18
Rarity	Industrial Grade	Mil-Spec
Collection	The Alpha Collection	The Arms Deal 3 Collection
Listed price	$7.39	$3.91
Float range	0.06 – 0.8	0.06 – 0.58
Missing wears	None	None
StatTrak	No	Yes
Souvenir	No	No

Glock-18 | Sand Dune vs Glock-18 | Blue Fissure