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Old 08-11-2019, 05:44 AM   #1
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M1 Carbine Tool

Hey Folks,

I'm in need of a M1 Carbine receiver tool. I've found one from Brownells and one from Riverbank Armory. See below attachments.

Has anyone used either of the pictured tools?

Thanks....
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File Type: png Screen Shot 2019-08-11 at 9.10.37 AM.png (96.3 KB, 12 views)
File Type: png Screen Shot 2019-08-11 at 9.40.23 AM.png (61.2 KB, 11 views)
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Old 08-18-2019, 04:11 PM   #2
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I use the first one pictured (left).
It does work, but there is a word of caution to go with that. Be careful, particularly with carbines that have a spring tube. Because of the shape, it is easy to crack the receiver with it. While, I haven't done that, I know others who have. Most recommend the other type.
A second note here, don't depend on the witness marks when lining up a replacement barrel. Instead, place a straight edge on the bottom of the receiver and a second one on the flat on the bottom of the barrel. The two should be parallel to one another. This will assure proper slide movement.
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Old 08-19-2019, 06:45 AM   #3
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Receiver Tool

smokpole,

I think that you are correct on the two receiver tools. I'm going for the Brownells mainly because it appears to better at displacing the torque load over a larger surface on the receiver body.

Sure, it's more expensive, when it is over men are judged by the quality of their tool....

Thank you for your reply and cautionarry comments....

See Ya,
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Old 08-19-2019, 12:15 PM   #4
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Barrel/Receiver Alingment

smokpole or others,

Now that we are discussing barrel/receiver alignment I read somewhere that if you are marking the target to the left or right and your elevation is good the front sight needs to move 'IN' the direction of the hits.

This is when zeroing in at 100 yards and your target has 1" circles. I think the movement was 0.006" for every inch of correction. That is about the thickness of three sheets of copy paper.

Now, if this is valid the M1 Gurand has a dovetailed front sight that can be 'tweaked', but the Carbine does not. So, the only way to correct the Carbine is by adjusting at the receiver/barrel mating clockwise or counter clockwise?

Any comments.....?
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Old 08-20-2019, 04:49 PM   #5
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Now, if this is valid the M1 Gurand has a dovetailed front sight that can be 'tweaked', but the Carbine does not. So, the only way to correct the Carbine is by adjusting at the receiver/barrel mating clockwise or counter clockwise?

From my understanding that is correct but instead of going through that with Inland I learned were the gun like to shoot.My barrel is about .005-.008 off from the index and shoots about 5-6" to the right at a 100yrd I just point left some.
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Old 08-21-2019, 06:28 AM   #6
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Javlin,

Good advise...! But after a closer look at my rear sight I found that in my haste to get it mounded I missed 'center'. So I used my rear sight tool and with the help of a bright light I think it is centered correctly.

Tomorrow I go back to the range and have some fun.

Thanks....
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Old 08-25-2019, 04:30 PM   #7
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To adjust windage, move the rear sitght in the direction you want the point of impact to move. Many carbines left the factory with the rear sight moved well away from the center of the receiver. That was not unusual.
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