HomeCS GOM4A1-S | Blue PhosphorM4A1-S | Blue PhosphorRM 975.54 The M4A1-S | Blue Phosphor is one of 246 other Rifle skins. The rarity of the skin is Classified, which makes the Blue Phosphor a very rare drop with an estimated drop chance of only 3.2%. M4A1-S | Blue Phosphor quantity Buy now Add to WishlistRemove from WishlistAdd to Wishlist Category: CS GO Product ID: 13202 Related products Add to WishlistRemove from WishlistAdd to Wishlist MP9 | Food ChainRM 33.54 Buy now Add to WishlistRemove from WishlistAdd to Wishlist Sticker | Flipsid3 Tactics | Atlanta 2017RM 33.80 Buy now Add to WishlistRemove from WishlistAdd to Wishlist Patch | RageRM 33.80 Buy now Add to WishlistRemove from WishlistAdd to Wishlist M9 Bayonet | Tiger ToothRM 3,268.04 Buy now