The MAC-10 | Pipsqueak is a Mil-Spec SMG skin from The Overpass 2024 Collection, distributed through the Budapest 2025 Overpass Souvenir Package.

The float range for this finish is restricted to 0.00–0.90, 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.

A Souvenir version is available, dropped exclusively from cases collected during Major Championship matches and stamped with that tournament's stickers. Active listings for MAC-10 | Pipsqueak are tracked across 18 marketplaces, with prices spanning $0.19 to $22.99 depending on wear, variant, and seller.