Various 3p kits: Astrotrain blaster (MW kits have known issues with pegs and ports that don't fit, so buyer beware, unless they actually have fixed it by now): Matrix Workshop M23 M-23 for WFC Siege Astrotrain Weapon Set Upgrade Kit May just be the stock photos but the color doesn't seem to match. Refraktor gap fillers (3 sets): Shockwave Lab SL-GF4 Gap filler for POTP Siege Refractor Upgrade Kit Comes unpainted so may not match exactly. Back of thighs only. Sideswipe gap fillers: Shockwave Lab SL-GF1 Gap filler for Siege Sideswipe Upgrade Kit Also comes unpainted and may not match exactly. Back of thighs only.