Are 5/8" by 3/8" Atlas Countershaft Sprockets the same as Commando?

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I may be wrong, but I think I've seen a picture that showed Atlas and Commando countershaft sprockets side by side and they had a different offset. Or are they the same and my memory is playing tricks?
 
I converted my '73 850 to a 520 rear X-ring chain. for the front sprocket I used one from an Atlas. aligned perfectly.
 
I may be wrong, but I think I've seen a picture that showed Atlas and Commando countershaft sprockets side by side and they had a different offset. Or are they the same and my memory is playing tricks?
they are different
Are 5/8" by 3/8" Atlas Countershaft Sprockets the same as Commando?
Are 5/8" by 3/8" Atlas Countershaft Sprockets the same as Commando?
Are 5/8" by 3/8" Atlas Countershaft Sprockets the same as Commando?
Are 5/8" by 3/8" Atlas Countershaft Sprockets the same as Commando?
 
Thanks Jim. That's the picture I remember seeing before. Could I ask which one is the Commando one?
 
I'm not Jim but did just change my own countershaft sprocket. The Commando one has the angled face and the threaded hole to secure the lockplate, also the angled side of the nut needs to go towards the sprocket, I didn't get mine right the first time but thanks to some reading here fixed that before completely reassembling my bike and riding it.
 
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