That sounds like a really cool idea, and I hate to be that guy, but I would be a bit concerned about the MA storage law if I was you. Depending on who you ask, a glass display case may or not meet the statutory requirement. In this state, I'd err on the side of caution.........[sad2]
Well you are that guy
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Purchase some extra bolts, weld them so they wont function, now the rifle cant be fired. When you want to go out and shoot them break out the bolts that are locked in a safe with 10 pad locks, a laser alarm system and pressure plates in the floor and of course motion sensors. It the rifles are stored in a case with lexan and have a locking door and even a trigger lock you may be OK.
Your other option is to contact our very own resident expert here on NES that can advise you on what is legal and what not to do when it comes to ............well everything.
When my gun room alarm goes off and I am home these are the steps I take:
1. Wake up grab my 1911 and my sure fire flash light. I check the camera to see what is going on, when the alarm trips halogen lights come on and the room looks like a night game at Gillette stadium.
2. I carefully enter the area outside the room, looking to see if the door is a jar
3. If the door isn't a jar I open it slowly, very slowly, then throw in a flash bang ........had ya there didn't I.
What I really do: check the cameras first, check the door and open it slowly, there are monitors outside the door as well so I can see if anyone is in the room. If the door was open I would lock it, call 911 and laugh my ass off as the local LEO drag the scum bags off to the big house.