M4A1-S | Master Piece

The M4A1-S | Master Piece is available in the following wear conditions: Factory New, Minimal Wear, Field-Tested, Well-Worn, Battle-Scarred. Each wear corresponds to a float value range: Factory New (0.00–0.07), Minimal Wear (0.07–0.15), Field-Tested (0.15–0.38), Well-Worn (0.38–0.45), Battle-Scarred (0.45–1.00).

The M4A1-S | Master Piece can be obtained from the following CS2 weapon case(s): ESL One Cologne 2014 Overpass Souvenir Package, DreamHack 2014 Overpass Souvenir Package, ESL One Katowice 2015 Overpass Souvenir Package, ESL One Cologne 2015 Overpass Souvenir Package, DreamHack Cluj-Napoca 2015 Overpass Souvenir Package, MLG Columbus 2016 Overpass Souvenir Package, Cologne 2016 Overpass Souvenir Package, Atlanta 2017 Overpass Souvenir Package, Krakow 2017 Overpass Souvenir Package, Boston 2018 Overpass Souvenir Package, London 2018 Overpass Souvenir Package, Katowice 2019 Overpass Souvenir Package, Berlin 2019 Overpass Souvenir Package, Stockholm 2021 Overpass Souvenir Package, Antwerp 2022 Overpass Souvenir Package, Rio 2022 Overpass Souvenir Package, Paris 2023 Overpass Souvenir Package, Copenhagen 2024 Overpass Souvenir Package. Each case requires one case item and one $2.49 key from the Steam Marketplace. It is also part of the The Overpass Collection.

The M4A1-S | Master Piece is Classified rarity — a very rare tier with a case drop rate of approximately 3.2%. Rarity tiers in CS2 from common to rarest: Consumer Grade, Industrial Grade, Mil-Spec, Restricted, Classified, Covert, Extraordinary.