Over time if to many people shoot magnetic ammo in the wrong direction you could actually change orientation of magnetic North, thus rendering every compass in the world unusable and causing the ozone layer to evaporite causing skin cancer to wipe out the world Or at least thats what the tactically dressed dude behind the counter at my local gun store said People call it "magnetic", but what they really mean is a magnet will stick to it because of the steel core or steel jacket of the projectile.
Like HighLander51 said, steel jacketed and steel core projectiles can cause sparks when they impact down range and start fires in dry brush. Steel core bullets can damage the backstops used at some indoor ranges. And when steel core or steel jacketed bullets are fired outdoors their hitting rocks can cause sparks; and some places that can be a fire hazard.
Some years ago, we had a small brush fire started in the sparse dried weeds on the berm of the range at our club by someone firing steel core or steel jacketed bullets. And at public ranges that sell left over cases to metal recyclers, steel cases are a nuisance because they would need to be separated out from the brass. Its a fire hazard. This is why some ranges don't allow them. The local ranges just wanted to make it more of a precautionary thing.
So it's just cheaper to make is all? And in wartime no one cares about the core of ammo I suppose? Does it pierce bullet-proof vests? Does it pierce tanks?
Does it have any special abilities as it is steel as opposed to something else? Making projectiles with steel jackets is just standard procedure for most of Europe and has been for many decades. So understanding why certain rules were created will help explain many of the aspects involved in operating and using a gun range. A gun range may prohibit steel cased ammo because the spent shells get mixed up with the brass ones.
Steel cases are non-re loadable and they must be thrown away or discarded. Some ranges may collect the brass shells, reload and sell them for extra money. Customers at a gun range may not pick up after themselves, leaving shells lay on the floor of the range. After a busy day there can be hundreds of spent ammo cases covering the floor. Workers must clean them up at some point. Some ranges may ban aluminum cases for the same reason.
The range may check ammo with a magnet to see if it is steel core. Pro-Tip: Indoor ranges typically require you to wear ear and eye protection. Most ranges will provide these for you but I prefer bringing my own for a couple of reasons.
Also you can get electronic earmuffs that only cancel out sounds above 80 decibels, this allows you to still hear things while wearing them like a person talking. Check out the best electronic shooting earmuffs on Amazon now.
The rules can be confusing, some ranges may say steel casing but they might really mean steel jacketed or steel core. The reason for a steel core ban is due to the damage the round can cause to the range. Steel core rounds shot into a steel backstop or trap will cause damage to the backstop. Unlike lead rounds the steel is much tougher and does tear into the ranges structure. Because the steel round does not expand like lead it more penetrating. Even the target holders or rail lines and cables could be prone to damage from steel rounds.
This would be expensive maintenance for the business and simply banning the round is a good way to prevent this. Remember, induced magnetism is very weak. When the bullet hits the wall, the velocity will drop instantly. The whole process could take less than half a second, or even shorter. Exterior Bullet Proof Walls Fortunately, most commercial building materials used in exterior walls inherently offer decent bullet resistance.
Poured concrete, cinderblock, and even lowly red-brick veneer will, for all practical purposes, stop any common domestic bullet. The standard bullet, a 7. The common AK magazine holds 30 rounds and is flat with a curve in it to allow the bullets to feed properly. Bullets go in the barrel at the size of the grooves or a thousandth or so over. The rest is squeezed to fit in the lands the high part so the bullet spins as it travels. So, with diamonds the bullet would either shatter as it went from the case to the barrel or worse, lodge in the barrel as on obstruction.
You can shine like a diamond, but do go too close to the light… Yes.
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