Royal Arms Mk54 Mk31 Brass Head Primer Adapter with Compression Nut 7/16-20 TPI

Replacement Brass Head Compression style will fit all 7/16-20 threads of initiators like the Mk54 Royal Arms dual shock tube igniter. The Mk31 Royal Arms Single Pen, Omni, EIT, Blasters-Tool and many others. The compression will accommodate all commercial and mini shock tube / nonel in the range from 3/32″ – 5/32″ ( 2.5mm / 0.09375″  to 4mm / 0.156″  ) . The brass head is precision CNC machined from large 3/4″  stock (not 1/2″ like others) so its easy to grip and lock in place, the fluting provides extra grip and a clean look.  The Primer Slot has a 1/8″ relive to help extract spent primers easily.

This is one of the best upgrades for all initiators, to work easily and reliably with all shock tube / nonel.

*** Please note this is for 1 unit only, sold individually. ***

WARNING This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov. You must be 18+ years old to shop and or purchase on our website and 21+ to purchase Ammunition/Firearms. Check local laws before ordering as you certify you are of legal age and satisfy all federal, state, and local legal/regulatory requirements. There are NO returns or exchanges on armor, firearms, ammunition, PPE equipment. Ammo ships UPS ground to the lower 48 states.
We reserve the right to fix any critical errors.