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 My PSA Dissipator AR isn't stripping the next round UPDATE 
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tula and wolf run awesome in my pistols. best rounds to buy

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Mon May 22, 2017 7:37 pm
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Ops wrote:
best rounds to buy

Lol, no. No they most definitely are not.

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Mon May 22, 2017 8:14 pm
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Ops wrote:
tula and wolf run awesome in my pistols. best rounds to buy

Haha rolmfao, this thread is supposed to be helpful.


Mon May 22, 2017 8:23 pm
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Does it lock on the bolt, or lock on the carrier?

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Mon May 22, 2017 11:24 pm
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dreadi wrote:
Does it lock on the bolt, or lock on the carrier?

Not sure what you're asking? The bolt carrier group​ locks back on an empty magazine if that's what you mean?

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Tue May 23, 2017 4:55 am
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delliottg wrote:
dreadi wrote:
Does it lock on the bolt, or lock on the carrier?

Not sure what you're asking? The bolt carrier group​ locks back on an empty magazine if that's what you mean?

So not undergassed then...

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Tue May 23, 2017 6:30 am
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OhShoot! wrote:
delliottg wrote:
dreadi wrote:
Does it lock on the bolt, or lock on the carrier?

Not sure what you're asking? The bolt carrier group​ locks back on an empty magazine if that's what you mean?

So not undergassed then...


Bingo.

But it still doesn't answer the question. When it locks back, does it lock on the bolt face? Or does it lock on the bolt carrier?

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Tue May 23, 2017 7:18 am
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I tore down the bolt carrier group last night, even though I'd "lubed" it at the range, it was still basically dry on the inside. I cleaned up everything, and manually ran the bolt in and out maybe a couple hundred times while I was watching a movie. Then I rotated it inside the carrier a bunch of times in the hopes of smoothing out any rough patches. Then I cleaned it again to remove any swarf from the first two processes and reapplied some CLP. Lubed up the whole thing and put it back into the rifle. It seems to move better, but kinda hard to judge. I'll load up a couple of magazines with good ammo & take it back to the range, bring some of my Tula/Wolf ammo as well. I'll go through 1-2 magazines of the good stuff, and if it's working properly, then try it again with the cheap stuff.

I'm in agreement with Steve, if it won't cycle cheap ammo properly, there's something wrong.

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Tue May 23, 2017 7:37 am
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dreadi wrote:
OhShoot! wrote:
delliottg wrote:
dreadi wrote:
Does it lock on the bolt, or lock on the carrier?

Not sure what you're asking? The bolt carrier group​ locks back on an empty magazine if that's what you mean?

So not undergassed then...


Bingo.

But it still doesn't answer the question. When it locks back, does it lock on the bolt face? Or does it lock on the bolt carrier?


OK, stupid question time, wouldn't it always lock back on the carrier as the bolt face would be too high (or can it lock on both, I simply don't know)? I'm at work so I can't look at the rifle to see what you mean, but I think I understand what you're asking now and I'll take a look when I get home.

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Tue May 23, 2017 7:41 am
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delliottg wrote:
OK, stupid question time, wouldn't it always lock back on the carrier as the bolt face would be too high (or can it lock on both, I simply don't know)? I'm at work so I can't look at the rifle to see what you mean, but I think I understand what you're asking now and I'll take a look when I get home.


If it's undergassed, the BCG will not get pushed hard enough to reach the bolt hold open catch.


Tue May 23, 2017 8:02 am
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OK, after inspecting how the bolt locks back manually (on the bolt face) I understand what you're asking, I think, but I can't answer the question until I go shooting again.

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Tue May 23, 2017 7:21 pm
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I might step my foot into a big pile of poo for this.

I do not believe an AR should shoot fine with cheap ammo just because it's an AR. Every machine has tolerances. Yours may be of such that it needs more gas from different ammo. It could be a number of other things too.

We have two ARs in the house that were giving me a fit by not locking on the bolt face after the last round. They would lock back on the carrier. I spent a lot of money and did a lot of things and not of it worked. What consistently worked was changing how I held the rifle. Comparably I was limp wristing the rifles.

If you have problems every couple rounds or so, perhaps it is the ammo that's not made with consistency.

Before you spend $60 on adjustable gas block, find out if lets more gas pass through than one you have. Perhaps you need to open the port on the gas tube to allow gas through with less restriction.

And then there's buffer weight and spring tension.

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Tue May 23, 2017 11:38 pm
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So I finally got enough of a break from a flooded house to take a short trip to the range today. I brought two magazines' full of XM 193, and a third of Tula or Wolf steel cased. I put 10 rounds of XM 193 into a Bushmaster 10 round magazine I've got, and had the same problems, so I stripped them out and put them into a spare P-Mag I'd brought along, and I was able to shoot the entire magazine, followed by the second magazine of XM 193, followed then by the final magazine of cheap steel cased ammo. No further problems. I'm trying to figure out how to strip down the Bushmaster magazine so I can clean it (I think I got it out of the PIF box, but don't actually remember). I suspect a lot of my original problems lay with that magazine. Even fully loaded the rifle won't strip a round off the top properly, but if I put a few rounds into a P-Mag they'll strip just fine (and shoot).

The Bushmaster magazine has two plastic knobs toward the bottom of the magazine which I'm assuming are how you take it apart, but they won't budge. I'm not sure it's worth my time to try to take it down, clean it (lube it?) and put it back together unless it becomes very easy to do. I suppose I could just submerge it in my ultrasonic cleaner whole and let it go after it for a while with some Simple Green or something to clean it. Thoughts?

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Sun Jun 25, 2017 7:46 pm
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I throw bad mags, and even suspect mags, in the trash. They are cheap, they have broken my trust, and, well, fuck em


Sun Jun 25, 2017 8:22 pm
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Bushmaster mag. 10 round. Garbage.

Which, if any, word is different? OK OK sorry. Chuck it. P-mags, 30 rounds, always around $10, sometimes less.

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Mon Jun 26, 2017 3:11 am
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