OpenSpades is recommended as you are able to use the 2x detailed model, Ace of Spades and the Steam version can only use the normal-sized version.
Replaces SMG in Ace of Spades, Ace of Spades Steam and OpenSpades.
"The compact SG 552 Commando (full designation as the 552-2P) carbine was released in 1998. It has a shorter 226 mm (8.9 in) barrel (with an open, 3-prong flash suppressor) and gas tube, ventilated handguards and a redesigned bolt carrier group that was integrated with the piston rod to form a single moving assembly." - Wikipedia Description
For a tutorial of installing Ace of Spades Steam Skins, view Foxxy's Tutorial.
3D Interactive Previews:
SIG SG 552 Tactical
SIG SG 552 AoS