I'D SAY IT WAS AN ATTEMPT AT A ALL WEATHER MIG-15. tHE BLACK AREA ABOVE THE INTAKE IS PROBABLY A RADAR, INTERESTING MIG. YOU DIDN'T HAPPEN UPON ANY P-61'S IN YOUR JOURNEY AROUND CHINA?
The M-1 Garagnd can be found on 'Guns of America', but be willing to pay over $1000 for one, the Carbine can also be bought some of the cheaper ones $600-$700, but there was aproblem with I think it was the 'round' bolt causing the rifle to jam, so try to look for the 'flat' bolt. There Carbines were manufactured by a host of companies. I've been looking for an Enfield also, found one but it was a Jungle Carbine. The Japanese helmut I think was in the Sportsman Guide. They have a military section. I'll check back with you because I think there are some websites that offer reproductions.