There is that! Then I also wonder why the lead wasn't flying from the use of "pre-charged pneumatic" rifles. A good machine shop can turn those out in just about any caliber and China is a major source of some really good ones!
Just imagine sending a .50 cal chunk of lead out the muzzle at about 1000fps and using a simple hand pump to recharge after 10 or so shots. Subsonic, heavy projectile and only the sound of the compressed air escaping...easy to quiet that one down.
But then, after good old uncle Sammie takes the firearms away from those who choose to submit, we'll be in about the same shape.
A temporary or expedient substitute for something else.
Suitable as a temporary or expedient substitute: used a rock as a makeshift hammer.
Synonyms: makeshift, expedient, resort, stopgap