Looking for complete conversion parts kit or misc. parts for the Fleming M11-22 .22 lr conversion kits for the Ingram/MAC 10 open bolt. Kits consisted of an upper receiver (marked M11-22 "rimfire" Fleming Firearms, Tulsa OK). Am looking for parts or the complete kits. I currently have upper receiver marked, "1" and bolt marked "3." Kits use a Ruger 10-22 magazine fed from the left side.