These .357 Magnum blank cartridges are designed specifically for use in spearfishing powerheads, sold in a convenient pack of 5. Blanks fire a powerful percussion blast on contact, giving your powerhead the stopping power needed when diving in waters with large marine life. Easy to load and reliable in the water, these are a go-to backup for spearfishers who carry a powerhead on the spear shaft. Pack of 5 blanks per order.
.357 Blanks Package of 5
