I'll be the one vote for 21"
Less muzzle blast. That's a plus.
100fps is almost 100 yards less to an expansion threshold at 1800fps.
Also you can always chop inches off and thread it. 100$ is what my smith charges.
The vast majority of semi autos are 18 inch. As far as suppressors go, I feel they are toys. Muffs are cheaper and when hunting I use neither. I can handle the report of 1 shot....i'll live and it doesn't cost me $1k either. If suppressors where as cheap as they should be and also didn't cost me a stamp and a very long wait......all for a overpriced muffler I don't need. To each their own.
No, you can't. A single unprotected gun shot causes permanent hearing loss. As for suppressors being toys- have you ever actually used one?.
Question for you gun nuts. I am looking at the Barrett fieldcraft rifles, and see they make a .308 in a 21" barrel or with an 18". If I jump on one with the 18" barrel, what am I missing, besides the 3" of barrel?
Yeah, I've used them as range toys....on range toys. Mostly wasting ammo in full auto. Which are also toys. You are welcome to use them, to each their own. Until the price comes down to warrant the use....toys. A set of electronic muffs are cheaper and you don't need to ask permission from uncle Sam/big brother to exercise your rights. Not to mention , I'm not trying to add more weight and length to any hunting rifle I own. The exception to that are my prairie dog guns. Which I tote from the truck to the bench and shoot A lot of rounds through. So it is still sort of a range toy, just shooting at self replicating pop-up targets instead of paper.
nothing to do with firearms in ANY capacity is a "toy", to state such is doing a grave disservice to all the gun world