Quote Originally Posted by AZCarbineFan View Post
Are the S'G' rifles built under the IP contract considered more desirable than the ones built under the Saginaw contract?
After march 1943 there was no longer an IP contract. All Saginaw Gear carbines, whether built in Grand Rapids or Saginaw were built under the SG contract.

Quote Originally Posted by AZCarbineFan View Post
..the channel for the slide is fly cut (only on IP's and S'G' is this feature visible) and it has an Underwood barrel. The flycut is a dead giveaway on this maker, no other maker used this approach leaving visible machining marks.
You might want to take a look at some of the other carbine manufacturers like Rock-Ola, NPM, WRA, etc. they are the same.
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