I talked to my guy inside politics and he said:

Just talked to my guy in the know about CO state politics. He forwarded me on the latest on how he sees it and who we need to pressure on the Dem side to stop it.
They just cleared the first committee last night. I think they will be on the floor Friday. Universal background checks is probably a done deal and will pass. The mag limit however is still very much in play. Magpul testified yesterday that if the bill passes they will leave Colorado. The three swing votes are:
Joseph Salazar (D-Thornton)
(303) 866-2918
joseph.salazar.house@state.co.us
Mike McLachlan (D-Durango)
(303) 866-2914
mike.mclachlan.house@state.co.us
Dave Young (D-Greeley)
(303) 866-2929
dave.young.house@state.co.us