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Old 10-08-2010, 06:23 PM   #11
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Id stick w/ 5.56 for a versatile, tried and true round that the rifle was designed for. You can buy enexpensive ammo for it or get expensive ammo depending on the task at hand. Sometimes when you deviate from the original platform reliability becomes an issue. In this case 5.56 was the original caliber. Ive heard of people having trouble w/ pistol calibers as well as the larger calibers in the AR platform. Not always but more then 5.56. Theres always exceptions tp every rule. I have a 7.62x39 AR that has worked fine for me but not as well as my 5.56s. If you really want to go w/ a larger round then 5.56 in your AR go w/ 6.8. Its more expensive but the word on the street is manufacturers are gearing up to start producing a better veriety of 6.8 factory loads. Id also suggest a .22 conversion kit to make shooting your AR even less expensive. As for home defense a lot of guys prefer to use 5.56. I know of a couple LEOs that use an AR in 5.56 for HD and others that have the theory of using a pistol for defense until they can get to their AR.

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Old 10-08-2010, 08:52 PM   #12
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Originally Posted by mjkeat View Post
Id stick w/ 5.56 for a versatile, tried and true round that the rifle was designed for. You can buy enexpensive ammo for it or get expensive ammo depending on the task at hand. Sometimes when you deviate from the original platform reliability becomes an issue. In this case 5.56 was the original caliber. Ive heard of people having trouble w/ pistol calibers as well as the larger calibers in the AR platform. Not always but more then 5.56. Theres always exceptions tp every rule. I have a 7.62x39 AR that has worked fine for me but not as well as my 5.56s. If you really want to go w/ a larger round then 5.56 in your AR go w/ 6.8. Its more expensive but the word on the street is manufacturers are gearing up to start producing a better veriety of 6.8 factory loads. Id also suggest a .22 conversion kit to make shooting your AR even less expensive. As for home defense a lot of guys prefer to use 5.56. I know of a couple LEOs that use an AR in 5.56 for HD and others that have the theory of using a pistol for defense until they can get to their AR.


ok, well me and my dad only have 1 .22 and 3 shotguns and high power rifles. so id like to get something i can have a little fun with.
dont get me wrong i can have fun with just about every gun out there
but id like something cool that i can build up and whatnot
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Old 10-08-2010, 09:15 PM   #13
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Hello. Well the AR-15 style rifle is mainly made for 556. or .223 some for 6.5 and there are also conversion kits for .22. what will be the purpose of the rifle I.E. plinking, home defense?
Colonel, this poster is someone who is also asking for basic caliber information in another subforum. Your answer will be a bit confusing for him, probably. I understand 556. .223 6.5 .22, but those numbers are a little esoteric for his main question.

I agree: 12-gauge shotgun is the best FIRST firearm for home defense. Then a handgun in 9mm or .45acp. Then an AR-15 in 5.56x45mm (also known as .223 Remington...sort of).

Until you know more basic information, you should keep handgun calibers like 9mm for handguns. .22lr should be reserved for "plinking" (which just means shooting targets and such for fun) or hunting small game from hunting rifles.
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Old 10-08-2010, 11:27 PM   #14
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Does that work for ya?
I'm going to have to agree with Cane on this one
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Old 10-09-2010, 02:20 AM   #15
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I really think that 5.56 (.223) will do what you're looking for and be the most common and easiest to get parts and upgrades for.

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Old 10-09-2010, 03:16 AM   #16
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Every able bodied, responsible, legal adult in this country should be trained with the basic operation of the AR in 5.56 IMO. All those who can afford one and can legally own one should do so. From that point you add different calibers and barrels, but you should start, keep, and maintain a 5.56 model AR.

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Old 10-09-2010, 05:56 AM   #17
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Every able bodied, responsible, legal adult in this country should be trained with the basic operation of the AR in 5.56 IMO. All those who can afford one and can legally own one should do so. From that point you add different calibers and barrels, but you should start, keep, and maintain a 5.56 model AR.
Quoted for TRUTH! .458 SOCOM is really cool and is probably a good 3rd caliber for an AR-15 (.223, then .22, then .458 SOCOM), but .223 is the mainstay.

And I agree that EVERY American who is least bit inclined should maintain one (as long as they agree with me, that is...).
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Old 10-09-2010, 08:45 PM   #18
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Originally Posted by moneymaker17 View Post
ok, well me and my dad only have 1 .22 and 3 shotguns and high power rifles. so id like to get something i can have a little fun with.
dont get me wrong i can have fun with just about every gun out there
but id like something cool that i can build up and whatnot
Your origenal post:

the best size caliper for an ar 15
.22
9mm?
what else are there what is the best.
i like the 9mm because ammo is not that expensive and has a little kick/ more than .22
let me know what you think

I took it as you asking what we thought was the best caliber for the AR15. I responded that I thought 5.56 was the best round for the AR15 due to greater reliability and larger field of use. Did I missunderstand your intended question?
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Old 10-09-2010, 10:13 PM   #19
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Quote:
Originally Posted by mjkeat View Post
Your origenal post:

the best size caliper for an ar 15
.22
9mm?
what else are there what is the best.
i like the 9mm because ammo is not that expensive and has a little kick/ more than .22
let me know what you think

I took it as you asking what we thought was the best caliber for the AR15. I responded that I thought 5.56 was the best round for the AR15 due to greater reliability and larger field of use. Did I missunderstand your intended question?


sorry for the missunderstanding, i want to buy an ar-15, how ever i dont know what i want to shoot out of it.
i was asking what would be the best caliber for the gun/ for me to shoot
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Old 10-10-2010, 02:21 AM   #20
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And I suggested 5.56 because of its versatility and reliability due to the fact that the AR15 was designed for that round.

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