Thanks for the quick replies!
I'm looking for a rifle I can shoot in leg matches and service rifle competitions.
I already have a front sight post fixed, and just ordered a RRA NM carrying handle...1/4 MOA adjustment.
The replacement to the DCM handguards (basically a free float tube with plastic handguards over it) looks pretty straightforward...it just screws on where the delta ring would be.
On the front sight post...which type (ie thickness, shape, etc) is best for service rifle competition?