Inland started putting type 3 barrel bands with bayonet lugs on after serial number 6,700,000. This would put this type band with bayo lug on Inlands last 2 serial number blocks they were issued. Figure Oct/Nov 1944 as a stating time. Bands would be stamped with one of the following...AI, KI, SI, UI, H.I., or JI.
Winchester started them after serial number 6,475,000. This would put them in thier last 2 serial number blocks. Roughly same time line. Winchester bands would either be marked with a C or a W.
Quality Hardware also made some type 3 bands, they were marked MMQ on the band and EM-Q on the bayo lug. However, they were used on post-war carbine rebuilds.
There is no record at all of any of the other manufacturers having used the type 3 band and bayo lug at all. Hope this helps
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