The M4A1-S | Fizzy POP is a Mil-Spec rifle skin belonging to The 2021 Train Collection.

The float range for this finish is restricted to 0.00–0.57, so Factory New, Minimal Wear, Field-Tested, Well-Worn, and Battle-Scarred are the only obtainable conditions on the open market. The restricted range is set by Valve at the time of release.

Active listings for M4A1-S | Fizzy POP are tracked across 17 marketplaces, with prices spanning $1.55 to $18.17 depending on wear, variant, and seller.