M1 Garand - Failure to feed

OneBarfly

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I'm trying to solve a problem with a friend's M1 Garand. Apparently, he says that it does not always strip of a round and chamber.

Now, I know the list of likely culprits; however, when I stripped it down, I found something weird.

First off, I should say that this is a MINTY Korean issue Springfield Garand. He bought it thinking that it was never issued and held in reserve. The metal and barrel seemed to hold this out; however, the wood looked very "proud" around the buttplate and other areas. I could not help to think that this was a Boyds stock; but, there are no inkstamped part numbers noticeable on the inside barrel channel. Certain areas of the barrel channel do seem rather roughly milled or chiselled- Also, the Gas Cylinder was painted (not that a painted cylinder is not likely, just that it didn't seem in keeping with the rest of the rifle) .

So, now back to the weird part. The rear hand guard furrel was not roll-pinned in position. Both the furrel and the cut-out on the barrel did not show *ANY* indication of ever having a roll-pin inserted (USGI Barrel) . The parkerizing was still 100%on the barrel, although the receiver was somewhat differently coloured.

Are you still with me? So here's the question, is it possible that due to the lack of a retaining pin, the read handguard is putting pressure on the front handguard area and intermittently blocking the gas port? Or - is this highly unlikely? Anybody ever see a Garand without the roll pin and no indication that it ever was there?

If not, then I will just start switching out parts untill it functions 100%

Thoughts?
 
"...blocking the gas port..." Nope. The gas hole is nowhere near any part of the stock. It's literally opposite the front sight on the bottom of the barrel.
Failures to feed are cause by several things. The first being the bolt doesn't go back far enough to pick up the next round. That may be gas related or a dirty gas system, burrs, etc. Next make sure the rifle is properly lubed.
A long ejector, worn follower, short recoil(undersized gas piston, oversized cylinder, undersized barrel diameter at the splines, carbon in the gas cylinder), the op rod binding(install the op rod and bolt with nothing else, tip the rifle up and down, the bolt should open and close, freely, under its own weight) or gas leaking out of the gas cylinder lock screw.
Go here for a free downloadable .pdf of the Ordnance Maintenance manual. Note the need for the provided UN & PW. Add the W's.
.biggerhammer.net/manuals/
 
I would put a proper roll pin in and then fire it to see if feeding improves. If not, then start checking if the op-rod binds, the op-rod spring is weak, the feed mechanism parts are operating smoothly without binding, etc. I know you know M1's as well as anyone OneBarfly, so let us know what caused this intermittent failure to feed when you're done with it :D
 
First off, I should say that this is a MINTY Korean issue Springfield Garand. He bought it thinking that it was never issued and held in reserve. The metal and barrel seemed to hold this out; however, the wood looked very "proud" around the buttplate and other areas. I could not help to think that this was a Boyds stock; but, there are no inkstamped part numbers noticeable on the inside barrel channel. Certain areas of the barrel channel do seem rather roughly milled or chiselled- Also, the Gas Cylinder was painted (not that a painted cylinder is not likely, just that it didn't seem in keeping with the rest of the rifle) .



Thoughts?

A homemade Bubba Build and Park Job with junk parts but looks pretty?
 
A homemade Bubba Build and Park Job with junk parts but looks pretty?


Coyote Ugly = :slap:

Sunray = too easy :confused:

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All others including the mod who moved this post thank you. The oprod spring did seem a little over compressed. I'll replace both and get the owner to test fire. (I'm just doing a favour - might as well be his ammo :D)
 
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