.223 AR-15 recoil vs. 9mm AR-15? - Page 2
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.223 AR-15 recoil vs. 9mm AR-15?


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Old 10-05-2011, 12:59 AM   #11
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I have an LAR9 because I have standardized on 9mm ammo. Up to 100 yards it works. It has no more recoil than my XD9's.

If I want to shoot much over 100 yards, I'll use the Barrett.
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Old 10-05-2011, 01:03 AM   #12
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Interesting. I've always thought lower recoil was a key advantage with pistol-caliber subguns, but I've heard from some that 9mm ar15's will have more recoil because of its blowback operation.
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Old 10-05-2011, 01:18 AM   #13
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Quote:
Originally Posted by chachaseeds View Post
I'm just curious of the purpose of 9mm ar15's ignoring the cheaper ammo factor.
So I guess the .223 has more recoil, but neither have any substantial recoil to begin with compared to other calibers (besides .22lr and whatnot)?
I was under the impression that police departments were choosing the 9mm carbines because they had less penetration through walls, etc..... another possible factor might be the effectiveness of a suppressor.
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Old 10-05-2011, 01:53 AM   #14
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I was under the impression that police departments were choosing the 9mm carbines because they had less penetration through walls, etc..... another possible factor might be the effectiveness of a suppressor.
well, I actually heard about 9mm rounds penetrating even MORE through walls at close range, as .223's tend to break apart inside a wall/structure. And yea, a huge advantage for 9mm is the ability to silence it. Also, it's quieter. However, I read on the Colt Defense's website that the main point of its 9mm ar is "lower recoil."
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Old 10-05-2011, 04:10 AM   #15
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Quote:
Originally Posted by chachaseeds View Post
Which caliber do you guys think recoils more/ has more muzzle rise?
If it helps any, I was looking at buying either a Rock River LAR9 9mm AR, or LAR15 223/556. Most of my guns are 9mm, and I pretty much wanted to stay with that Caliber, until I fired a friend's AR-15 at the Range. In the end, I chose the 223/556, just to try a different Caliber, and I'm glad I did. They're about $.10 more a Round for 223 than 9mm, but still not too bad, if you don't go through a couple of hundred in a day.

I have a 9mm Beretta CX4, and a 9mm Hi-Point 995TS, both Carbines with 16" Barrels, like my LAR15. As stated above, the 223 gives more of a Recoil than my 9mm Carbines do, but just a little more. It's quite manageable. I've got a Muzzle Brake for my LAR15, which helps to reduce Recoil and keeps the Muzzle from rising. The LAR15 is indeed LOUD, and makes a nice KA-BOOM when fired. Very noticeable!

I had a Triple Heart By-Pass 10 years ago, and can't shoot the higher Caliber Rifles and Shotguns like I used to, primarily because my Rib Cage is wired back together. So, I was also looking at Low Recoil in a Rifle, for that reason as well.

I shoot 100 Rounds of .223 when I go to the Range, and it doesn't bother me in the least. It's a very comfortable gun.

Hope that helps!

Cheers!

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Old 10-05-2011, 05:47 AM   #16
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However, I read on the Colt Defense's website that the main point of its 9mm ar is "lower recoil."
That's good enough for me!

I guess it makes sense - if you compare the weight & velocity of a 9mm slug with the weight & velocity of a .223 slug, the momentums would appear to be about equal....

However, the .223 round will also have 20+ grains of propellant gases erupting out of the muzzle at 4000 fps..... that's going to increase the .223 recoil by 50% or more.
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Old 10-05-2011, 06:19 AM   #17
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I have a Colt 9mm CAR and several AR variants, including a couple of Colt CARs. The 9mm recoils more than the 5.56 when I fire mine side by side.
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Old 10-05-2011, 10:08 PM   #18
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I have a Colt 9mm CAR and several AR variants, including a couple of Colt CARs. The 9mm recoils more than the 5.56 when I fire mine side by side.
Do you think this may because of the blowback action of your 9mm that increases percieved recoil? That said, which has more muzzle rise/flip?
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Old 10-06-2011, 03:10 AM   #19
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Quote:
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Do you think this may because of the blowback action of your 9mm that increases percieved recoil? That said, which has more muzzle rise/flip?
Could be. The 9mm has more torque, which makes it seem like it has muzzle rise. I've always found it interesting.
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Old 10-06-2011, 11:27 AM   #20
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Thanks for your answers! I guess percieved recoil is differrent with everyone, but technically a 9mm will have lower recoil...
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