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I picked up this gas cylinder not knowing if it is a SA or IHC. May I ask for some opinions on which it is? There are not any marks or numbers as I would expect on the SA but not sure about the staking on that stacking swivel. As always, thanks for all of the collective knowledge.
RonAttachment 41961Attachment 41962Attachment 41963Attachment 41964Attachment 41965
I can't answer your question but I'm suprised RCS hasn't straightened us out yet. I took some pics of some of my gas cylinders for comparison. The only problem being I can't tell you if the gas cylinder on my IHC is IHC or not, but I think it is.
This is the IHC, it seems to have more rounded corners.
https://www.milsurps.com/images/impo...f18bbd63-1.jpg
This is a mid 1941 LL Springfield
https://www.milsurps.com/images/impo...1342bf82-1.jpg
This is a 5.9 million Springfield
https://www.milsurps.com/images/impo...7dce4493-1.jpg
This is an H&R
https://www.milsurps.com/images/impo...b58fead9-1.jpg
The machining here is a little different on each brand.
IHC
https://www.milsurps.com/images/impo...11442a5d-1.jpg
Early SA
https://www.milsurps.com/images/impo...a70b6573-1.jpg
Late SA
https://www.milsurps.com/images/impo...9282e559-1.jpg
H&R
https://www.milsurps.com/images/impo...42e845dd-1.jpg
The flat on the top of the back ring is different sizes(not saying they didn't machine the parts differently at different times at the same factory, I don't know).
IHC is a lot wider, approx. .380"
https://www.milsurps.com/images/impo...364974e4-1.jpg
Early SA, approx. .280"
https://www.milsurps.com/images/impo...d6e29716-1.jpg
Late SA, approx. .280"
https://www.milsurps.com/images/impo...0e7cfd9b-1.jpg
H&R, approx. .250"
https://www.milsurps.com/images/impo...ce02ad9d-1.jpg
All of this means absolutly nothing because none of it can be verified but at least it gives us something to look at.
Thanks for the pics. The back of this one measures .288
There is a IHC for sale on the CMP auction that ends tomorrow.There are great pictures of the IHC. One picture when enlarged shows the bottom of the gas cylinder. It shows a taper at the front of the bayonet lug base. I've read this is described as football shape. The CMP descripton shows the gas cylinder as correct. I have an IHC about 1200 lower and to my knowledge almost correct as bought in a private sale years ago. These Garands are twins right down to the lighter wood front hand guard. I'm waiting for Waynes book to verify the small parts.