
The Ultimate in Underwater Protection
WHEN YOUR CARTRIDGE ABSOLUTELY HAS TO FIRE…….
CHOOSE MARKRON BANG-STICK CARTRIDGE SEALER!
Ultimate protection against Sharks, Gators, Crocs, and Marine Predators of all kinds while Diving, Spearfishing, Snorkeling, Boating, and landing that Big Fish
UNDERWATER HUNTERS RELY ON MARKRON BANG-STICK CARTRIDGE SEALER TO PREVENT MOISTURE-CONTAMINATED MISFIRES. An unsealed primer pocket joint invites moisture contamination, resulting in misfires and a shortened cartridge storage life. MARKRON Bang-Stick Cartridge Sealer completely seals and waterproofs cartridge primers, bullet case joints, and off-the-shelf, unsealed, factory ammunition for 100% firing consistency and extended cartridge storage life, including up to 30 days total water submersion! MARKRON Bang-Stick Cartridge Sealer has passed rigorous US military as well as independent testing.
Cartridge Waterproofing Solution


Underwater Cartridge Protection
Up to 30 Days continuous Water Submersion….The Ultimate in Underwater Protection
MARKRON Bang-Stick Cartridge is the product that ensures certain peace of mind when hunting for that once-in-a-lifetime trophy or for the ultimate in underwater protection. Introduced in 2015 to the security industry, this essential component is now used by professional Underwater Sportsmen across the nation to provide a certain peace of mind in critical firing situations. When your cartridge absolutely, positively has to fire……..MARKRON Guarantees Results!
ONE ½ OZ BOTTLE SEALS APPROXIMATELY 1,000 ROUNDS
For Commercial Use
MARKRON Bang-Stick Cartridge Sealer does not affect muzzle pressure, velocity, or accuracy and is fast drying, easy to use, and economical. Precision applicator included.
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Diver Recommended
Formulated for Bang-sticks and Powerheads with space-age compounds and polymers which, when bonded to metal, form a waterproof seal so effective that we guarantee 100% firing consistency when used as directed.
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US ARMY Reserve Vet (Ret.) OWNED AND OPERATED
Made in USA
International Shipping Available
ROBOCO LABORATORIES

"Recommended to NRA Members "