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7.62 extractor claw for a No4 |
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Goosic 
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Joined: September 12 2017 Location: Phoenix Arizona Status: Offline Points: 5857 |
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 Topic: 7.62 extractor claw for a No4Posted: February 13 2021 at 6:33pm |
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I took an extractor claw from a 2A1 Ishapore and reprofiled it based off of the No4 extractor claw profile. Specifically the bottom area. Some file work and a small sanding disc on a Dremel tool and the fit and function is flawless. Empty case extraction is phenomenal as well...
  
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MJ11
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Posted: February 14 2021 at 2:37am |
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Well done.
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The Spartans do not ask how many the enemies are but where they are
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Goosic
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Posted: February 14 2021 at 5:44am |
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Thank you very kindly sir...
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britrifles
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Posted: February 14 2021 at 6:01am |
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I did the same thing on my DCRA conversions which originally had the .303 extractor. I ground a bit of material off the underside edge of the extractor so it would push the case against the left side of the receiver. That gave a weak ejection. I ground off too much material on one of them, the extractor missed the extractor recess notch in the barrel and would not allow the bolt to lock up.
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Goosic
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Posted: February 14 2021 at 7:05am |
With the 2A1 extractor you just chamfer the bottom of the radius where the screw hole is and using a honing stone, stone the sides of the extractor. Polish everything smooth that you just worked on and assemble into its new home. Takes time and patience and the end result is worth that extra effort...
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britrifles
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Posted: February 14 2021 at 7:14am |
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Yes, I was using a 2A1 extractor. And it works great. I wasn’t able to get reliable ejection of the empty case using a 2A1 magazine.
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Goosic
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Posted: February 14 2021 at 11:39am |
I am currently working on fabrication of a tab onto a 2A1 magazine to assist with the extraction of a spent case when used in a No4/5 rifle...
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britrifles
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Posted: February 14 2021 at 11:47am |
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Awesome, please post once you get it done. That would be a great modification.
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Zed
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Posted: February 15 2021 at 10:34am |
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It's always great to find solutions to issues like this. Using what you have and modifying it.
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Goosic
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Posted: February 15 2021 at 10:40am |
I truly appreciate that comment Zed. Sometimes I wish that I didn't have to find a solution to most of my issues however...
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Zed
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Posted: February 15 2021 at 10:49am |
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Generally not finding a solution is more frustrating!
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rufrdr
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Joined: February 16 2021 Location: North Carolina Status: Offline Points: 7 |
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Posted: February 17 2021 at 4:50am |
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My 2A1 magazine works fine on my #4 for ejection of fired cases. I very slightly bent the rear left lip up and as I work the action the rifle gets tipped to the left side because I'm left handed. It works for me.
I had to reduce the front of the magazine body slightly to allow rounds to feed properly.
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britrifles wrote: