Mines an original one made by Springfield Armory, aluminum I think, with a nice heavy phosphate coating on it. I don't believe they make them any more.
I was looking at one of those titanium Sadlak jobs, but those things are really, really pricey.
There's a captive wave washer on mine that holds things nice and tight, at least for as much shooting as I do.
Ok....last “real” brookfield I found on ebay ran me 300$. I will have to search out these two you use and speak of.....
DPMS makes a really version of Reed Knights SR-25 that I want . The SR-25 is tooooooooo much duckets ! The new USMC KAC will fill the bill.
The USMC’s basic tools are now all AR platforms. This new surgical tool. Their SAW replacement and basic rifle. Wow !