STI Shock Tube Igniter single pen NAV style NSN:1375-01-533-5364


MK-31 Single Pin Shock Tube Initiator,  One Tool every Breacher should have.

Law Enforcement, Military & Govt Sales Only!
15% restock fee on all non-qualified Orders.


Available on backorder


Single Pin Shock Tube Initiator Mk-31
One Tool every Breacher should have. Fits perfect in your pocket. STI Body is made of Solid 6061 T-6 Aluminum that’s been milled out. Stainless Steel Internal parts, and a brass head with quick lock down. Dual Safeties, one Cross Pin firing block and one internal the body. Length 6-1/2” Dia. 1/2” Wt. 3 Oz.