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Posted: 5/27/2008 1:56:32 PM EST
[Last Edit: 5/27/2008 2:01:55 PM EST by GlockSlap]
Anyone Try Hornady's "Light Magnum" .308 No Gas guns Only...?
I'm curious if anyone has tried them, and if they beefed up their spring and reported good-bad results (I'm sure this is with 24 inch barrels)? I'm wonder if the guts from a DPMS .300 SAUM (spring, buffer) could survive long term use...

LM 165 grain (MV/ME):
Muzzle 100 yd 200 yd 300 yd 400 yd 500 yd
2880/3038 2668/2607 2465/2226 2272/1890 2087/1595 1911/1337

Standard round 165 grain(MV/ME):
Muzzle 100 yd 200 yd 300 yd 400 yd 500 yd
2700/2670 2496/2282 2301/1939 2115/1638 1937/1375 1770/1147

Hornady
Link Posted: 5/28/2008 1:43:29 AM EST
No experience? The ballistics are pretty hot, and I can see why they wouldn't want you to throw it in a gas/auto...still suprised no one has tried it?
Link Posted: 5/28/2008 4:05:24 AM EST
[Last Edit: 5/28/2008 4:05:35 AM EST by DaveS]
It's too brutal on the system... max pressure curve lasts much longer than regular fodder.

Plus, with the slower burning powder you have way more burning particulates and plasma going down your gas tube into your bolt carrier group... not a good thing at all.
Link Posted: 5/28/2008 3:08:56 PM EST
I tried some in my AR10, but didn't know about the no gas gun thing when I did. I didn't have any problems then, or since, though

When I set up a rifle for hunting, I usually buy a bunch of different ammos, and try them for accuracy, and buy a bunch of the most accurate one so I've got it on hand for a while. I remember being disappointed in the Light Magnum, as I had high hopes for it.

My rifle is an AR10 with a Noveske 16" barrel on it.

You might get more responses if you post this in the AR10 section, right above this one.
Link Posted: 5/28/2008 4:25:05 PM EST
So it worked-just not with good accuracy...did you feel you and the rifle were beat on at all?
Link Posted: 5/28/2008 6:13:02 PM EST
16" barrel and slow powder? Nice fireball I bet.

Anyone tried it in a 24" LR308?
Link Posted: 5/29/2008 2:00:42 AM EST
Interesting thoughts on the BCG-wonder if the difference for the particualte's would be better for a standard length gas tube vs. carbine? I've never heard of this as a problem-b/c very few rifles get full burn time in the short tubes...

I know it would not be hard to slow unlocking time for this round via heavier spring/buffer), or if one had an adjustable gas key (like the FAL) one could back off a few notches.

Pretty interesting so far though
Link Posted: 6/4/2008 10:37:59 AM EST
I've used it in a Rem 742 Carbine 30-06. AR 10 .308 16 in Bbl. M14 18.5 in Bbl. Been using it for over 8 years, no problems. Not the best groups but no difficulty or adverse effects.
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