Low wind?![]()
East of the Mississippi we have trees and stuff
Not gonna lie. Wind at 600 was much more challenging with the 14.5s than my mk12 with the same ammo.
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Low wind?![]()
East of the Mississippi we have trees and stuff. Maybe where he is in Utah is like that .
Not gonna lie. Wind at 600 was much more challenging with the 14.5s than my mk12 with the same ammo.
Closest tree is over a mile away!
Up on a hill. Switching 10 mph that day.
Same hold with direction change and you were off the plate.
I tried.
I have a newer 16” that I need to shoot those targets with.
Much more accurate than the SR-15 and seems faster with a similar load.
We have missed you and your informational input.... just sayin'5.56 is so weak at distance though, that it really doesn’t matter. I know a lot of people are used to calling 14.5” a rifle, but it’s best left in the carbine category.
When you run the numbers on 12.5”, 14.5”, and 18” out at 400yds even, it just doesn’t matter. Sure there are differences, but they are minuscule, in effect pole-vaulting over mouse turds.
400yds impact energy with 77gr Mk.262
18” 572ft-lbs (weak)
16” 548ft-lbs
14.5” 492ft-lbs
12.5” 459ft-lbs
The additional barrel length does not justify itself for performance on-target. The 18” RLGS suppressed will shoot much smoother though than the others due to port location/pressure.
14.5” really only sells itself for someone who is looking to have an M4rgery, or P&W for 16”. 14.5” MLGS runs pretty smooth with the right port and ammo though, one of which I have from BCM I built way back for a high volume CQM beater.
You can see the performance difference between 12.5” and 14.5” isn’t worth the extra length.
Go to a different cartridge and you’ll see significant steps up in energy on-target, which you will notice from shooter’s position with visual impact and audible feedback.
400yds impact energy with different higher performance cartridges from 12.5” barrels:
6.8 SPC 120gr SST 699ft-lbs
6.5 Grendel 123gr ELD-M 730ft-lbs
6.5 Grendel 130gr ELD-M 854ft-lbs
6mm ARC 108gr ELD-M 762ft-lbs
400yds .308 Win 12.5” for reference:
.308 168gr ELD-M 1053ft-lbs
The only places the 5.56 really sells itself are in commonality, mag capacity, and close range work. It’s easier to stay on-target with rapid strings of fire with 5.56 carbines. You’ll still be around 700ft-lbs of energy at 200yds with a 12.5”, and you can hear it hit hard at that distance. It really starts dropping off after that.
People put such a stupid degree of importance on such trivial shit as a few inches of barrel length.
I don't get it.
Skill matters so much more.
In the morning before it kicks up. Points back to the fact that 5.56 isn’t so great at intermediate range.Low wind?![]()
I’ll buy that, but with a few cans in the safe, I don’t know- a priori- which I want with what barrel, so I don’t want to be married to a welded muzzle device. And, if I’m going short, I’ll take a 12.5 and file the forms.IMHO, if you're doing it right then every rifle/carbine should have its own dedicated can.
This is just me so take it for what it is worth. I currently have two two SBRs, one 14.5"and just got the 16 inch Sig LT Spear in 5.56. I like the longer rifles and at this point and will likely never go shorter than 14.5 again. I am not clearing anything with my AR and if I had to, I am not good enough that I would be disadvantaged with 3 to 6 inches of additional barrel.I have a 14.5 Franken gun that is my general purpose rifle. With all the rage seeming to be 18" precision rifles or 10.5"--13.7" Am I just stuck in the past with my M4gery as a rifle that does everything OK but nothing well?
I’m currently trapped in the PRK for another year or two at least so 14.5 isn’t an option here. I’ve no complaints about either 16” or 18” barrels personally. When I escape to freedom I’ll likely consider 14.5 with a can for the home, that seems to be the one application I can see it well suited for.
If my piece of shit state would allow it, I would run an 11.5 with a suppressor and call it a day. I like the 77 TMK for defensive scenarios and if you keep the velocity around 2500-2550 it still expands and fragments out to 400 yards. If I need to go further out I'm probably looking for a different rifle
But since NY thinks I will do terrible and evil things with an SBR and a suppressor I'm doing things a little differently.