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9/3/2009 12:34:41 PM EDT
...can use an existing .223/5.56 lower?

I'm looking at
6.8mm Rem,
5.45x39mm, and
7.62x39mm

Am I missing any other options?
9/3/2009 12:50:51 PM EDT
[#1]
There are many more calibers than that.  There was a list of them up on one of the forums, anyone care to post a link to it?
9/3/2009 1:08:25 PM EDT
[#2]



Quoted:


There are many more calibers than that.  There was a list of them up on one of the forums, anyone care to post a link to it?


I have this saved, but don't recall where I got it from...



AR-15, without bolt modification

.17 Remington

.20 Tactical

.204 Ruger

.221 Fireball

.222 Remington

.222 Remington Magnum

.223 Remington (5.56x45mm)

.223 Remington Ackley Improved

6x45mm

6mm Whisper

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 BR Remington

6.5mm PPC

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)

7.62x39mm

.357 Auto

.458 SOCOM

.50 Action Express

.50 Beowulf



 
9/3/2009 1:38:36 PM EDT
[#3]
I should have been clearer and asked what calibers can use existing mags, rather than the lower.   Sorry.

I live in California and have existing high cap (30 rnd) mags that I brought into the state prior to the 2000 ban.
9/3/2009 2:01:36 PM EDT
[#4]
Cool...awesome.   Thanks for the info.   I assume this means that they will use the same mags, since I live in California and can't get new high cap mags.

Quoted:

There are many more calibers than that.  There was a list of them up on one of the forums, anyone care to post a link to it?

I have this saved, but don't recall where I got it from...

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