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ar-15 cal.options?

 
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  #1  
Old 02-25-2012, 06:27 PM
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Join Date: Feb 2012
Location: wichita ks
Posts: 85
ar-15 cal.options?

i have just built up a ar in 5.56/.223, is there any other cal. options i can do with this lower,with just a bolt carrier/barrel change? or is one better building seperate guns all together (never hurts to have more guns,just harder to hide from the misses).
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  #2  
Old 02-25-2012, 07:42 PM
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Join Date: Oct 2010
Location: NW Montana
Posts: 582
Re: ar-15 cal.options?

Their's few out there that just need barrel/bolt and mag changes The 6.8SPC was made to do just that while adding more downrange punch than the 556. 300whisper and blackout are also taylored to work with in the AR platform, as well as a bunch of others that have been necked up or down to fit. What use are you looking for from this gun?
Cody
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  #3  
Old 02-25-2012, 07:50 PM
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Location: Cheyenne
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Re: ar-15 cal.options?

Stolen from the interwebs:

AR-15, without bolt modification
.17 Remington
.17/223
.20 Tactical
.20 Practical
.20 Vartag
.204 Ruger
.221 Fireball
.222 Remington
.222 Remington Magnum
.223 Remington (5.56x45mm)
.223 Remington Ackley Improved
6x45mm
6mm TCU
6x47mm
6mm Whisper
.25x45mm
6.5mm Whisper
7mm Whisper
7mm TCU
.300 Whisper (.300/221, .300 Fireball)
.338 Whisper

AR-15, with bolt modification
223 WSSM
5.45x39mm (.21 Genghis)
243 WSSM
6mm PPC
6mm WOA
6mm BR Remington
6mm Hagar
6.5mm PPC
6.5 WSSM
6.5 WOA
6.5mm Grendel
25 WSSM
6.8x43mm SPC
.30 Herrett Rimless Tactical (6.8x43mm case trimmed to 41mm and necked up to .308; the 6.8mm version of the .300 Whisper)
7.62x25
7.62x39mm
.30 RAR
300 OSSM
.357 Auto
.35 Gremlin (necked up 6.5 Grendel to 358)
.358 WSSM (various names, but all are some form of a WSSM necked up to 35 caliber, some are shortened to make them big game legal in Indiana)
.458 SOCOM
.50 Action Express
.50 Beowulf

AR-15 using a simple blowback operation
.17 HMR
.22 LR
.22 WMR
9x19mm
9x21
9x23
30 Carbine
357 Sig
40S&W
400 Cor-Bon
41 Action Express
10mm Auto
45 GAP
45ACP
45 Super
45 Win Mag

And then some...
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  #4  
Old 02-25-2012, 08:03 PM
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Join Date: Feb 2012
Location: wichita ks
Posts: 85
Re: ar-15 cal.options?

i built it beacuse i have wanted one for about 15 yrs but never wanted to drop the cash, then this one came along cheep so i splurged. i figure it a good shooter gun one can afford but i think it could use a little more punch. so i was thinking about a 7.62x39(still pretty cheep ammo)i dont know about the 6.8spc or "blackout". but i dont want to go to the point it gets to pricey to shoot.
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  #5  
Old 02-25-2012, 08:13 PM
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Join Date: Aug 2011
Location: Pueblo, CO
Posts: 345
Re: ar-15 cal.options?

458 SOCOM

only one worth switching to
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  #6  
Old 02-29-2012, 10:13 AM
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Join Date: Apr 2009
Posts: 909
Re: ar-15 cal.options?

Quote:
Originally Posted by beakus33 View Post
i built it beacuse i have wanted one for about 15 yrs but never wanted to drop the cash, then this one came along cheep so i splurged. i figure it a good shooter gun one can afford but i think it could use a little more punch. so i was thinking about a 7.62x39(still pretty cheep ammo)i dont know about the 6.8spc or "blackout". but i dont want to go to the point it gets to pricey to shoot.
For inexpensive shooting, the 7.62x39 is pretty economical. For all around performance in a standard AR, the 6.5 Grendel is tough to beat.
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  #7  
Old 02-29-2012, 11:07 AM
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Join Date: Oct 2010
Location: NW Montana
Posts: 582
Re: ar-15 cal.options?

Quote:
Originally Posted by beakus33 View Post
i built it beacuse i have wanted one for about 15 yrs but never wanted to drop the cash, then this one came along cheep so i splurged. i figure it a good shooter gun one can afford but i think it could use a little more punch. so i was thinking about a 7.62x39(still pretty cheep ammo)i dont know about the 6.8spc or "blackout". but i dont want to go to the point it gets to pricey to shoot.
If you hand load it doesn't really matter as they're all fairly cheap to load. If you're buying ammo off the shelf stick with the 223 or 762. Be careful with the 762, alot of the cheaper ball ammo builds up crud in the AR shockingly fast, and can be pretty corrosive as well.
Cody
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