
Custom Bullet and Primer Sealer
MARKRON CUSTOM BULLET AND PRIMER SEALER
Shop, Seal, Shoot!
The Only One Step, Quick Dry Application
Lethal and Non-Lethal Shooting Security Solution Utilized By Law Enforcement, Defense Contractors, Ammo Manufacturers, Government Agencies.
Utilized for military and law enforcement training
Made in USA
SEALS AND WATERPROOFS ALL KNOWN SPECIALTY CARTRIDGES
MARKKRON Custom Bullet and Primer Sealer completely seals and waterproofs cartridge primers, shotshell primers, bullet case joints, and off-the-shelf, unsealed, factory ammunition with the option of color marking each cartridge for instant powder load and cartridge caliber ID.
An unsealed primer pocket joint invites moisture contamination, which can result in misfires and shortened cartridge storage life. MARKRON Bullet and Primer Sealer completely seals and waterproofs cartridge primers, bullet case joints, and off-the-shelf unsealed factory ammunition for 100% firing consistency and extended storage life, including up to 30 days the total water submersion.
MARKRON Primer Sealer has undergone rigorous independent and military testing and is used by U.S. armament manufacturers as their water-proofing sealer of choice.
Comprehensive Ammunition Waterproofing Solution


Trusted by Military Experts
MARKRON Custom Bullet and Primer Sealer does not affect muzzle pressure, velocity, or accuracy and is fast drying, easy to use, and economical. A single oz of the product can completely seal approximately 2,000 cartridges.
GUARANTEED! MARKRON Custom Bullet and Primer Sealer is formulated 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.
US Army Reserve (Ret.) company owned and operated. International Shipping Available
"Tested by Law Enforcement State Highway Patrol Forensic Laboratories "