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9/22/2017 12:11:25 AM
Posted: 9/14/2005 4:13:41 PM EDT
Could someone please shed some light on barrel lenght? Is there a big difference in the bullets trajectory from a 14.5" barrel as opposed to a 16"? And how wil this affect the rangefinding on the ACOG scopes that are calibrated for 16"?
Link Posted: 9/14/2005 4:22:20 PM EDT
Link Posted: 9/14/2005 4:44:28 PM EDT

Originally Posted By draco191145:
Could someone please shed some light on barrel lenght? Is there a big difference in the bullets trajectory from a 14.5" barrel as opposed to a 16"? And how wil this affect the rangefinding on the ACOG scopes that are calibrated for 16"?



I have only been a member since June, and already I have seen this come up a dozen times (including the thread where I asked the same thing). To keep it simple, figure about 100 fps slower in a 14.5".
Link Posted: 9/14/2005 4:47:08 PM EDT

Originally Posted By safetyhit:
... To keep it simple, figure about 100 fps slower in a 14.5".



with a LOT more flash and noise.
Link Posted: 9/14/2005 4:53:12 PM EDT
Thanks, at the rate in which a .223 travels, that dose'nt sound significant. I do however seem to remeber questions in Iraq, about shoter barrels and bullet penetration?

I have only been a member since June, and already I have seen this come up a dozen times (including the thread where I asked the same thing). To keep it simple, figure about 100 fps slower in
a 14.5".
Link Posted: 9/14/2005 4:53:30 PM EDT
I like 14.5 because its shorter.
Link Posted: 9/14/2005 5:17:35 PM EDT
QWith 95% of combat taking place at under 100 yds and 75% of that under 50yds your not at a disadvatage with either but I like smaller better so I use 14.5/phantom.
Link Posted: 9/14/2005 5:20:56 PM EDT
I like the way ya'll think!!!!h=85%

Originally Posted By pun:
QWith 95% of combat taking place at under 100 yds and 75% of that under 50yds your not at a disadvatage with either but I like smaller better so I use 14.5/phantom.

Link Posted: 9/14/2005 5:24:22 PM EDT
[Last Edit: 9/14/2005 5:43:02 PM EDT by eye_spy]

[Comments edited out .... not responsive to the original question! Sorry.]
Link Posted: 9/14/2005 5:38:50 PM EDT
Ummm, yeah.


Once again:

Go and read www.ammo-oracle.com/body.htm

There is more involved in the seemingly short change.
Link Posted: 9/20/2005 6:18:00 PM EDT
Correct me if I am wrong but doesnt the 14.5 have a fixed flash supressor and the 16 have a threaded. I would go for the 16, many more options.
Link Posted: 9/20/2005 6:27:55 PM EDT

Originally Posted By Rodent:

Originally Posted By safetyhit:
... To keep it simple, figure about 100 fps slower in a 14.5".



with a LOT more flash and noise.



+ 100,000

You know, if someone would have told me that there was a significant difference in report between a 16" and a 14.5" gun, I would have laughed at them. . . . then I built one, DAMN those 14.5's are LOUD
Link Posted: 9/20/2005 6:27:58 PM EDT
I got a 16" M4 barrel and didn't even notice that I didn't have a 14.5, haha

You get slightly better performance and it doesn't hinder mobility at all... I'd say get the 16" just for performance, options, etc.
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