I have a Surefire Warcomp closed tine flash hider/suppressor mount for sale. It was removed from my Geissele Super Duty to swap out for a muzzle device that'll fit my suppressor. It is also drilled for a pin and weld if you need it for that. Does not come with any shims.
$90
Would trade for some...
I've got the Covenant5 in 3-15 (on a 22lr rifle) as well as a Covenant7 in 5-35 (on a 224 valkyrie), both are FFP. For the price, I don't think you can beat them. Glass is pretty clear, I like their zero stop method over the shims like Vortex uses. They are also put on sale fairly often. I got...
2 boxes of Hornady Black 208gr - $25/ea
4 boxes of Sellier & Bellot 200gr - $16/ea
1 box of PPU 125gr - $20
1 box of Sig Elite Performance 120gr - $25
Entire lot for $140 - SOLD
Trades: equal value of 5.56 M193 55gr
Preferred meetup around Noblesville/Fishers
This year is an ammo year for me, hopefully. Sold a couple "mid grade" build ARs to purchase some "high grade ARs" and now the focus is ammo for them. I load my own 9mm, but wanting to add more 5.56 to the bank
Quick answer, yes that will change your spin drift. It may be YYYUuGE and it may be negligible. Only real way to tell is to shoot ammo you know your previous barrel liked and that you have data for and compare to see the difference with the new barrel. At "extreme flight times", virtually any...