Keep in mind as you read these questions, that my AR is a hunting gun.
#1 From looking at the part in the Brownells catalog, it looks like the QD swivel adapter (for the buttstock) has the hole sideways. I want the hole perpendicular to the gun. Does the stud part swivel or is it fixed with the hole parallel?
#2 My barrel is a fluted stainless heavy thing. I think the diameter (at the muzzle) is close to an inch. I've seen replacement gas blocks sold for my barrel. How hard is it to switch gas blocks? IIRC, it has two pins through the bottom. I currently have a squarish gb with a rail on top. I'd like to switch it to a more sleek one with no rail.
ETA:
Something like this#3 I currently have a cylindrical FF handguard. Is there a lighter option that is more sling/bipod friendly? I don't need a 4 rail hg. Mainly I'd like something more ergonomic and with a permanent sling stud. Maybe skinnier too, my round one seems fat, sticking out past the upper on both sides.
#4 I'm using BMAS (YHM) risers right now along with Burris high Z rings. A new hi rise upper is about $135. I like the look of the high rise better, but is it worth making the change? Could I get any money out of my A3 upper?
I am seriously considering making some changes to get my perfect configuration, then having it professionally camoed.
Thanks!
Jim