The ring on crown pint barrels is there for safety the original first run barrels did not have it and rang with a higher frequency. The ring is from the large cut outs and the great material that the barrels were made of. IIRC the alloy was a 7k series heat treated prior to anno.
Originally Posted by Azzy;
I think we are being hit by a tsunami of stupidity.
Paintball is a game of honor, play it that way! Nelson Owners Group RIP Grifyn