How many calibers are standard commercially ARs available?


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hso
December 30, 2012, 09:28 AM
I currently have ARs with .22lr, 5.56, 7.62X39 and 7.62 NATO calibers. What are all the calibers for "off the rack" ARs that can be added to this list?

.17 HMR
5.54x39
5.56
.223
.204 Ruger
.222 Remington
.222 Remington Magnum
.243 Win
6.8 SPC
7mm-08 Remington
.300 Whisper (.300/221, .300 Fireball)
9mm
10mm
.45

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jim243
December 30, 2012, 10:41 AM
300 AAC Blackout
450 Bushmaster
450 Beowulf
300 Remington
308 Winchester/7.62 Nato


All I can think of at this time to add to your list.
Jim

helotaxi
December 30, 2012, 03:11 PM
.260 Rem
6.5 Creedmoor
.338 Federal
.30 Rem AR
.223 WSSM
.243 WSSM
.25 WSSM
.30 OSM
.458 SOCOM

The Beowulf is a .50.

Never seen a factory AR in .222 Rem or .222 Rem Mag. Haven't seen .17HMR either.

Girodin
December 30, 2012, 03:36 PM
I'm not sure if it makes the list be cause I'm not sure if the OP was asking, "standard, commercially available" or standard commercially available." If it is the first it maybe it doesn't fit the description of "standard." If it is the latter it is more readily available than some I see listed. It is the 5.7x28. I have my eye on a 6" suppressed one like this.

http://www.murdoconline.net/wp-content/uploads/2008/11/ar57.jpg

rayatphonix
December 30, 2012, 03:47 PM
6.5 Grendel should be added to the list.
6mm Hagar is very close. Hornady makes brass and I believe ammo is next.

helotaxi
December 30, 2012, 04:23 PM
Yep forgot about the Grendel/.264 LBC. There's also the 7.62x40WT.

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