[WTB] Magpul K2+ FDE, Glock 19.5 magazine extension or factory magazines

Looking for a Magpul K2+ in FDE for ~ $15

SLR Magazine extension w/ spring ~ $50

OEM Glock recoil+2 extension kit ~ $15

Factory Glock 19.5 magazine with factory +2 extension (15+2) ~$20-25

Please comment before PM. Thank you.