I was involved a little in the DOD SCAR experience. Here is what killed the gun.
FN overgassed it badly.
The gas regulation is poorly thought out.
Leadership didn't give troops the training time to overcome the reciprocating charging handle.
The handguard design and length is from 2001...
I have multiple rifles for sale. Prices are firm and rifles are priced to sell. I am cleaning out my collection in preparation for a move. Add 50 dollars to the price for shipping.
PM me with your phone number and rifles interested in. I will respond promptly. Messages with no number will be...
You have been sold some type of ballistic whiz bang calculator which is probably a good calculator, but wherever you learned to use it gave you bad info. Overspinning bullets really isn't a thing until they start blowing up. Air density has nothing to do with this and I don't really know where...
No it can't.
Tell me where we source almost all our nitrocellulose from. You know, the stuff that makes the projectile shoot out of the barrel of the 155.
1 x 155 round uses the same amount of nitrocellulose, BTW, that 1000 rounds of 5.56 does.
Geissele is the easy button if they are on sale. BCM is good too.
Almost anything you get will be better than LWRC. I have used those professionally for years (unfortunately) and you literally couldn't give me one for free. The qc and metallurgy quality is below paki gun shop standards.