Another July 4th noise maker

[Roller Boy]

 

[64Springer]

My interpretation of a coastal piece.

.50 caliber.

12.5 long.

 

[Captndan]

50 cal. firecracker ahead of 50 grain charge. WOWWEE!

 

[Eutycus]

How do you anchor them down? Mine likes to do somersaults.