WTB: Ruger Mark 3 22/45 Mainspring Housing assembly

[echo884]

Hi,

I'm looking for 2 Mainspring housing assemblies for the Ruger Mark 3, 22/45. I recently got the grips from ebay and parts from ruger, but they won't sell me the mainspring housing assemblies! Midway claims to sell them for $47.99, but say it's out of stock until July. I'm willing to come up a little, but nothing ridiculous.

Thanks!