12 Gauge Perimeter Alarm

[Maverick]

Legal 12 Gauge Perimeter Alarms, using 12ga or shotgun primers (209 primers) designed for blanks or flash bang. A good perimeter warning devices.

https://fithops.com/

Primer Alarm

Primer Alarm and 12ga Flash Bang

 

[jontte]

they have soooooo much fun stuff

 

[Psalm7]

We use to make muzzel loader type when I use to work in a Gun Shop about 30 years ago .
The 12 gauge pictured is on My list now . Iv also seen the ones that will break a light stick when triggered .