sleeping bags

I'm looking to buy a "budget" sleeping bag(for colder weather) 100-150$ range, and what I've come up with so far is a wiggys acu marpat 0°, a slumberjack up wind 0°,a slumberjack boundary -20°,a alps mountaineering blaze-20°, a mountain hardwear lamina 0° I'd like them to be decently light say...

I purchased a wiggys antarctic hunter -60 deg sleeping bag for hunting this year. I used it in a tent with a cot and a Klymit static v insulated pad. On the first trip temps got down to single digits and one night I got cold and put my thermals on and was fine from then on. On the next trip...