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Old 02-04-2012, 17:12   #1
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dont under stand

I have a 1955 koren war m1 grand. the action works fine, every thing is clean and oiled. the problem is the rifel will only fire single fire , not semi. as it should.have checked and cleaned the gas port . it kinda looks like the op rod is blocking the hole in the gas tube is that possable. if so would that cause the problem ? and if so what can i do about it.
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Old 02-04-2012, 17:15   #2
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Only solution is to ship it to my FFL for $20.00 and ill take it off your hands to dispose of it humanely
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Old 02-04-2012, 17:36   #3
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Is this a recent problem? Has the rifle functioned in the past? Reloads or factory ammo?
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Old 02-04-2012, 17:44   #4
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seriously,

Im not sure I understand what you mean about the oprod blocking the gas port. But the oprod is supposed block the gas port, thats what makes it work.

I would guess you have a blockage in the gas port.
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Old 02-04-2012, 18:57   #5
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1. Check that the gas plug in the end of the gas cylinder is tight. Not gorilla tight or you'll mess up the threads. Just make it pretty darn tight.

2. Remove the op rod spring, reassemble, tilt the rifle muzzle down then up at 45 degrees. The action should slide open and closed on its own. Report whether this is the case.

3. If it still doesn't work remove gas plug and see if the poppet valve in the plug is cracked or stuck slightly open by some crud.

4. If it STILL doesn't work go to Welcome to Culver's Shooting Page
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Old 02-05-2012, 03:44   #6
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Originally Posted by Chilly View Post
1. Check that the gas plug in the end of the gas cylinder is tight. Not gorilla tight or you'll mess up the threads. Just make it pretty darn tight.

2. Remove the op rod spring, reassemble, tilt the rifle muzzle down then up at 45 degrees. The action should slide open and closed on its own. Report whether this is the case.

3. If it still doesn't work remove gas plug and see if the poppet valve in the plug is cracked or stuck slightly open by some crud.

4. If it STILL doesn't work go to Welcome to Culver's Shooting Page

Great advise. Also check to see if the gas cylinder is fully seated as well as the gas cylinder lock.
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