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, visit www.P65Warnings.ca.gov. You must be 18 or older to shop or purchase on our website, and 21 or older to purchase ammunition or firearms. Check local laws before ordering. By ordering, you certify that you meet all federal, state, and local legal requirements. There are no returns or exchanges on armor, firearms, ammunition, or PPE. Ammunition ships UPS Ground to the lower 48 states.
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