If you can't wait for the WE Airsoft MSK Gas Blowback Rifles to arrive at your shores, you might want to search someone else, most specifically, Taiwan. CWI Airsoft are now selling these rifles for US$299.98, shipping costs not included. Whilst the handguard makes it different from the ACR, still one cannot help to compare it to the Masada/ACR. In this case, CWI Airsoft refers the Remington Licensed ACR video.

WE MSK GBBR Ittō-ryū (not Masada/ACR) -- BLK

WE MSK GBBR Ittō-ryū (not Masada/ACR) -- Tan