ORG
I've always agreed with the position . . .
Tuesday, April 01, 2025, 18:48

. . . that barrel leading is caused by hot gasses blowing past the bullet as it moves down the barrel, and you can see the gasses blow out the muzzle ahead of the bullet in high-speed photography. I'd suppose those gasses take some lube with them, prior to passage of the bullet. Makes sense to me. Could be more of it from those great big lube cavities we see in some of these special bullet configurations.