I should've noted the brand of the 12 ball shell assortment my friend had that came with 2 spiral wound paper mortars. The CPSC allows for up to 6 shots from such a mortar, so that's the ratio that was supplied. However, after the first shot from the
package, the mortar it was shot from began to delaminate -- enough that a piece had to be torn off to clear the tube for the next, and final, shot of the night. I offered the use of my HDPE mortar from Skylighter, but it was too tall, such that the
leader would not project from the gun with the shot in place -- unless it be lit before the ball be dropped fully in! Meanwhile my cardboard mortars (cores from produce bag rolls) for film canister shells was too narrow for the balls.

Robert

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