M4A4 | Mainframe (Field-Tested): $0.03 Buy Options & Information The skin features a simple black base with a tan stock, grip, and handguard, with the primary focus of the skin being the transparent magazine. The M4A4 | Poly Mag is one of the newest M4A4 skins in CS2, having been added to the Recoil Case in July 2022. M4A4 | Poly Mag (Field-Tested): $0.06 Buy Options & Information Although many have grown in price, there are still tons of options for cheap M4A4 skins in CS2, so with that in mind, let's take a look at the 15 cheapest M4A4 skins.
Naturally, with its growth in the in-game meta, M4A4 skins have become increasingly popular as more players need them. Ever since CS2 imposed two separate nerfs onto the M4A1-S, many players made the switch towards its classic unsilenced counterpart: the M4A4.