Steel CNC 14mm Negative Adapter for M700 Series Airsoft Sniper Rifles

"does this work for the sd700 sniper rifle long barrel?

"I got this along with my kjw m700 and it took a second but it fits very snug into the outer barrel. The only real issue is the fact that the threads seem not to thread right to allow for attachments. I think if I force it it may strip the threads, but I found another way to get a mock suppressor look so it's not a big deal for me. 4 out of 5

"Did not fit. It is longer inside than the stock muzzle piece. Had to cut it 1/4" to fit.