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Centerfire Rifles - Semiautomatic or Gas Operated Centerfire rifles, carbines and other gas operated rifles.

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  #1  
Old 10-13-2009, 1:54 PM
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jasonnorcal jasonnorcal is offline
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Default What caliber for a new build?

So I just ordered a Mega billet lower for a new build. Thing is I'm waffling on what caliber. 5.45 or 7.62 for cheap ammo, 6.5 Grendel for long range or Beyowolf(sp?) just because, or stick with 5.56 for standardization. What do you guys think?
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Old 10-13-2009, 1:58 PM
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7.62x39 is my OPINION.
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  #3  
Old 10-13-2009, 2:21 PM
jchen76@gmail.com jchen76@gmail.com is offline
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Get one of each!
5.56 - all around general purpose round, can drop in .22 kit for each cheaper fun.

5.45 x 39 or 7.62 x 39 - great cheap shooting.

9mm - cheaper sub 100 yard plinking

6.5 ammo is expensive but from what I've read it's good long range capability.
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Old 10-13-2009, 4:33 PM
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Quote:
Originally Posted by jchen76@gmail.com View Post
Get one of each!
5.56 - all around general purpose round, can drop in .22 kit for each cheaper fun.

5.45 x 39 or 7.62 x 39 - great cheap shooting.

9mm - cheaper sub 100 yard plinking

6.5 ammo is expensive but from what I've read it's good long range capability.

LOL.......thanks for restating my question. I'm not interested in 9mm, but I do like the idea of a .30 cal. upper(7.62)
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Old 10-13-2009, 4:35 PM
Greg-Dawg Greg-Dawg is offline
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.223 Rem.
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  #6  
Old 10-13-2009, 4:40 PM
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how many other ar's do you have? if the answer is zero, then i would suggest doing the first in 5.56, so you can see how the rifle is supposed to feel. i think 5.56 is perfect for the gun, so both of mine are in that caliber. i have other guns for long range. but in the end, opinions are like a-holes. everybody has one, and they all stink.
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  #7  
Old 10-13-2009, 4:44 PM
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Originally Posted by sevensix2x51 View Post
but in the end, opinions are like a-holes. everybody has one, and they all stink.

Haha this is so true. I have a 16" middy in 5.56 sooooo.

Either a different caliber or perhaps a 14.5 carbine(5.56) with pinned hider
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Old 10-13-2009, 4:49 PM
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i like that i can stock up on one caliber. i am one gun away from having only .223 and .308 rifles, but i just cant bring myself to get rid of my 1903... if you really want another caliber, go for a cheaper one. at least, thats what i would do..
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  #9  
Old 10-13-2009, 5:07 PM
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IIRC the Beowulf is only accurate out to little over a 100yrds, so I don't know how "long range" you can go with it.
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Old 10-13-2009, 5:08 PM
1988 1988 is offline
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Quote:
Originally Posted by jasonnorcal View Post
Haha this is so true. I have a 16" middy in 5.56 sooooo.

Either a different caliber or perhaps a 14.5 carbine(5.56) with pinned hider
If you've already got the 16" 5.56, then you should look into the 6.5 Grendel. Otherwise, you can always upgrade your upper or barrel to shoot heavy 5.56/223 OTM. Yes, you can do 4-500yd like everyone else.

7.62x39 on AR platform is a waste of time, energy, and resources.
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  #11  
Old 10-13-2009, 5:34 PM
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Quote:
Originally Posted by Josh3239 View Post
IIRC the Beowulf is only accurate out to little over a 100yrds, so I don't know how "long range" you can go with it.
I meant 6.5 for long range bud
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  #12  
Old 10-13-2009, 5:41 PM
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sevensix2x51, I do already have a bunch of .223 so that is a bonus.

1988, could you expound on this a little. Is it cuz Sks's are cheap?
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Old 10-13-2009, 5:41 PM
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How about a .450 Bushmaster?

They are in stock at Midwayusa.com and they will ACTUALLY ship that upper to Kalifornia.

http://www.midwayusa.com/viewproduct...tnumber=897816

I got one and love it. Shooting off of a bag rest, with factory ammo and an Aimpoint Comp M/L 3 2 MOA dot optic, I put three rounds just under 2.5 inches at 120 yards. Those things shoot great!!

The recoil is a pretty good thump too!

Best,

Michael
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  #14  
Old 10-13-2009, 9:52 PM
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Quote:
Originally Posted by 1988 View Post
If you've already got the 16" 5.56, then you should look into the 6.5 Grendel. Otherwise, you can always upgrade your upper or barrel to shoot heavy 5.56/223 OTM. Yes, you can do 4-500yd like everyone else.

7.62x39 on AR platform is a waste of time, energy, and resources.
What he said +1.
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