Although I must admit it didn't take too much effort to take a big step back from that cliff of stupidity.

I mean whats more fun than a gun that you can't shoot? Although you can probably find Gyrojet ammo in decent shape for $100+ a round. A magazine full of rockets would cost me more than the ****ty gun itself would.

phew. Although now I'm looking at a Beretta CX4 with startling resolve.

I suck.

Way nifty piece, but yeah, ammo would killya!

The scoop on the gyrojet is, the Mk.1 used a self propelled projectile OVER 1/2 inch in diameter. That's controlled by the NFA. Anything UNDER 1/2 inch diameter, which the Mk.2 is .49", is compliant and not subject to the NFA.

...<ul><li><a href="http://www.atf.gov/firearms/curios/sec3.htm">http://www.atf.gov/firearms/curios/sec3.htm</a></li></ul>

<i>"MBA, Gyrojet Rocket Guns, cal. 13mm, semiautomatic version only, produced in 1968 or earlier, S/N ranges A0001-A0032, A001-A085, B010-B411, and B5059-B5692."</i>

I do not want a Gyrojet.
I do not want a Gyrojet.
I do not want a Gyrojet.
I do not want a Gyrojet.
I do not want a Gyrojet.
I do not want a Gyrojet.
I do not want a Gyrojet.

Although I could go into the gyrojet ammo making business I guess.

I do kinda wonder why there haven't been any people making "new" gyrojet ammo - at least the 12mm stuff.