I have a Picture of My Friend that has the New Barrel installed on His Evo Pistol ,, the Barrel end is about 2 inches in front of the handguard ,, their barrel nut is clear of the front of the handguard , so you do Not have to have a special socket or Tool ..
I have a Picture of the Barrel installed on the Evo Pistol ,,, If Anyone can help me Post it Here . , Gary