i have what i belive is a egyptian 43 cal. i need help identfing ,it is 38 to 40 in. long ,full length wood stock 3 ring mout no saddel rings ,adjustabel site on front with romeman numerials on it ,the site seems to be mountained backwards. the bore mics. right at 45 or 44.878 .the chamber is necked down ,there 5 riflings slow twist .i have not torn down the gun i need insturctions ,no numbers that i can find .the gun is in very good condtion,i would appreciate any help,and a value if it is an egyptian ?