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Accuracy International AW Chamber Issues?

Hijeffrey95

Private
Full Member
Minuteman
Feb 22, 2014
82
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I have a AI AW chambered in 308 with the original barrel, one issue I have with it is it takes quite a bit of force in order to chamber a round. What I mean by this is that closing the action with a round requires what seems like a unnecessary around of force. Could this be a issue with the chamber being out of spec or the rounds Im using being too long? I tested this with both m80 ball and Federal Gold 175 SMK, both same issues.
 
I have a AI AW chambered in 308 with the original barrel, one issue I have with it is it takes quite a bit of force in order to chamber a round. What I mean by this is that closing the action with a round requires what seems like a unnecessary around of force. Could this be a issue with the chamber being out of spec or the rounds Im using being too long? I tested this with both m80 ball and Federal Gold 175 SMK, both same issues.
Is it a factory barrel from AI that came on the rifle?

If so give AI a call.

Later, Frank
Bartlein Barrels
 
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I had the same problem with my AX when I first got it. I tracked the problem down to my brass. I was using brass that had been previously fired in another chamber. While it was within spec, the AI chamber is generally on the minimum side of the spec. Went to new brass and the problem vanished.
 
I know this is a old post but just wanted to update it. ejector looks fine, chamber looks free of anything. I cleaned the bolt face a bit along with the ejector and extractor. I used some snap caps and noticed the rims were getting beat up pretty bad. Perhaps its something wrong with the extractor? I tested it with the safety selector on fire and it was all smooth chambering a round until actually closing the action. I met the most resistance during that motion of turning the bolt down.
 
yeah I havent really taken it out of the safe for a while now, playing around with snapcaps again, it had the most resistance actually chambering a round, when the casehead is interacting with the extractor, after chambering the snapcap and reopening the action then closing it again with the snapcap seated in the bolt, it feels like its normal. Can I easily remove the extractor?
 
There was an issue on some bolts where the ejector spring was too long (Not specifically for the AW though) Fix was cut a few coils off or get a replacment from Mile High. Can you take a punch and push it completely flat? If not, try taking the ejector out and see what happens.
 
There was an issue on some bolts where the ejector spring was too long (Not specifically for the AW though) Fix was cut a few coils off or get a replacment from Mile High. Can you take a punch and push it completely flat? If not, try taking the ejector out and see what happens.
yeah I can push it down flat, I dont think the ejector is the issue
 
Buy some headspace gauges? Pay a gunsmith? Use up some minutes and call AI? Buy a black marker? Have you ever even shot this thing or just cycled rounds through it?

Fixing it going to involve spending some money.

Slightly off-topic…Have you ever seriously considered separating two-ply toilet paper onto two rolls?
 
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Sent the rifle to MHS, they told me it had a really short free bore, is this normal on AI barrels? Its a factory barrel
 
Sent the rifle to MHS, they told me it had a really short free bore, is this normal on AI barrels? Its a factory barrel
I would venture to guess it wasn't the free bore or lead length.
If that was the case, you would certainly have a little resistance closing the bolt but not much.
That condition would also likely result in you pulling the bullet if you tried to remove a round already in the chamber.
If it didn't pull your bullet, you would have certainly noticed serious rifling marks engraved into the bullet's ogive.

Additionally, "most" barrels are chambered with reamers that cut the chamber, lead and throat at the same time. All 3 of those features are built into the reamer so it would be almost impossible to accidently get a short free bore but very easy to miss the headspace.

I would have guessed it was more likely a simple case of short headspace.
This condition would make it difficult to close the bolt on a round and would not leave much, if any signs of the conflict on the round if examined.

Regardless of the issue, MHS is top notch and will get you squared away.

.
 
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The
I would venture to guess it wasn't the free bore or lead length.
If that was the case, you would certainly have a little resistance closing the bolt but not much.
That condition would also likely result in you pulling the bullet if you tried to remove a round already in the chamber.
If it didn't pull your bullet, you would have certainly noticed serious rifling marks engraved into the bullet's ogive.

Additionally, "most" barrels are chambered with reamers that cut the chamber, lead and throat at the same time. All 3 of those features are built into the reamer so it would be almost impossible to accidently get a short free bore but very easy to miss the headspace.

I would have guessed it was more likely a simple case of short headspace.
This condition would make it difficult to close the bolt on a round and would not leave much, if any signs of the conflict on the round if examined.

Regardless of the issue, MHS is top notch and will get you squared away.

.
Interesting thing is my issue also occurred with fired cases too. They said they will check headspacing too as part of their inspection.
 
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Would have been interesting to have you pull the ejector and slip a case under the extractor and then chamber the round. If your rim is getting chewed up I wonder if something is caught under the spring or it's not able to pivot. This test would have isolated testing the extractor.