- Safe to use
- .22 Cal Blanks available at any Hardware Store or Amazon.com
- 100% Steel Construction made in the U.S.A.
- Featured "Prepping 101" product by Guns America
- As seen on American Restoration with David Copperfield
For a video demonstration search youtube for “Sentry Alarm Mine”. Sentry Alarm Mines by No.26 Forge are SAFE and Affordable to use. They work like a Ramset concrete nail gun but WILL NOT AN CANNOT FIRE LIVE AMMUNITION. When tripped, the produce a frightening “BANG”. 12 lb. to 15 lb. mono-filament fishing line is recommended since it will trip the alarm and break off at the knot with increased tension. Ground mount AND wall mount features make this the #1 alarm mine available anywhere. NOBODY’S GOING TO SNEEK UP ON YOU WITH AN ALARM MINE ON DUTY!