Makes sense to me, though I will add a couple of my own thoughts to this just to give you something else to consider:The Annoyed Man wrote:For me, the bottom line with this thing is concealment....If I can make a carbine fit into something less conspicuous—like 74novaman's tennis racket case—then it A) takes up much less space, and B) is less of a temptation to thieves. That is my primary concern with having a carbine in my car....So for me, for now, this is an expedient solution to the problem. Since my wife and I already own two AR carbines, I'm willing to gamble that in any scenario where either of us might need a long gun, if we have the 5-10 seconds it is going to take to get it out of the bag, then an extra second to deploy the stock is not going to matter much.
At least that is my thinking.......flawed though it may be (just ask my wife)!
1) You are spot on about the amount of time it takes to deploy a long gun from a concealed position in a car. However, it is difficult to deploy a stock and use the weapon in a vehicle. Too long and cumbersome to wield efficiently. There may be a situation or time that calls for leaving the car and deploying a rifle, but I can also see a need for a rifle to be close at hand, concealed and ready to fire while in the vehicle (for example, trying to get back home during a riot or other disaster, throwing a towel over a long gun in the passenger seat). So I would think being able to fire folded is a pretty big plus for a "trunk gun".
2) By the time you purchase 2 of these AR hinges, you're basically at the price of 1 basic folding stock AK. About the best deal going on the market in folders right now is this: http://centerfiresystems.com/akagun-amd.aspx It was an even better deal when it was $400 even, but its still not a bad price. If you're going to drop that type of dough anyway, you could have 1 folding stock AK. If I remember correctly, you have an m1 carbine. Looks like folding stocks for those are ~$150 online. Its a bit more money to go AK+m1 paratrooper stock than 2 of these hinges, but you'd have 2 firearms capable of being fired more easily from within the vehicle without the necessity of deploying the stock.
Just another option that might fit your needs.
I do think its an interesting AR accessory, but for what you described as your needs, I am of the opinion that you are better served with other options.