Daniel Defense has a very nice kit.
G&R Tactical makes a very nice kit.
Palmetto State Armory has the least expensive kits.
Stick with those 3 and you can't go wrong.
Haven't had a chance to use a Stag or RRA.
I's pass on DPMS.
Assumption is the mother of all ****ups.
Know what you know, Know what you don't know. -Paul Pedzolt
"Jack of all trades, master of none, though oftentimes better than master of one" -Mynshul