I owned a mdt ess chassis for awhile. It was really well made and awesome, but being used to an a5 style stock my thumb needed retraining on its placement for prone position with the pistol grip so I traded it off on a bravo chassis
I own two AICs and work very well but are stupid heavy. I am not a Navy Seal... will not buy another one from them. way too heavy..
I own a couple of fiberglass stocked rifles and love them, one has an aluminum chassis and the other does not. accuracy does not diminishes a lot, one of these rifles was in one of the aics before.
when I bought the AICS there were not too many options, choose wisely
Top-6.5x284/MPA Lite Chassis(weight 3#) for LR hunting. Total weight with March 5x25x52 is 12.2#.
Bottom-6.5x47/MPA BA Competition(weight 5.2#)for PRS. Total weight with NF ATACR F1 is 16#.
You gentlemen have some great looking rifles. Weight is important. If it weighs more than 13 pounds I just won't get it out of the safe. I saw FEENIX's rifle and it looked light weight( 9 pounds ). Thought I might use it for calling if it were that light. Before seeing his rifle I thought I would just use this as a range rifle.
A lighter weight chassis' will run around 3-3.5 pounds, about the same weight as a Mcmillan A3. With actions/trigger/magazine running another 2.5-3 pounds, total weight will be largely a function of the choice of barrel and scope/mount weights. I have found light weight chassis based rifles to balance well with barrels in the 3.5-4 pound range with scopes/mounts at 1.5-2.5 pounds. IMO.
6.5 Creedmoor, XLR Evolution chassis, Tikka action with a 16.5" light palma barrel and a TBAC Ultra 5. NF ATACR 4-16x42 F1 in a RRS Unimount. This is my do everything rifle, it doesn't weigh any more than a fiberglass stock with comparable features. It can be carried in or on just about any type of pack with the stock folded. I don't hunt in the mountains, so it doesn't have to be an 8# stick. I've walked with it plenty, does just fine for me. Very convenient for in the blind, or out the truck window shooting hogs or coyotes.
I really like a rifle in a chassis. When you start comparing apples to apples, the chassis is cheaper and easier, way more adjustable. You can buy a slightly used barreled action for thousands less than a new custom, and drop it into whatever chassis floats your boat.