Replies

"Those 8 shot filled gelatinous bullets that don't penetrate much..."

Not exactly correct: The Glaser Safety Slug is technically a "pre-fragmented bullet".

Here s how Glaser describes the product:

Glaser Safety Slug
Glaser BLUE uses #12 shot compressed into a nearly solid form. (#12 shot is about the size of a ball in a ball point pen or maybe the head of a stick pin).
The Glaser BLUE produces immediate energy dispersal into the target, reducing the possibility of over penetration and creating abrupt stopping power. The numerous projectiles expand outward generating an effective wound cavity and a wide secondary stretch cavity.
Glaser SILVER is made up of #6 shot compressed to form a core. (#6 shot is much larger - akin to something the size of a peppercorn. With the SILVER load you get much larger segments - deeper penetration and numerous wound cavities.
Both loads reduce the possibility of overpenetration through the intended target. They provide for an added margin of safety. A missed round is much more likely to break up on an interior wall and dump its energy rather than proceeding unabated into an ajoining room.
The light, fast bullets reduce the felt recoil and are excellent loads for the small compact carry guns and snubnose revolvers. For over 27 years the Glaser Safety Slug has been the overwhelming choice for the "house gun" stored in the nightstand.

Before settling on my carry loadout, I tested many different cartridge loads -- including the Glaser Blue. Most of the time, upon hitting an object, the Glaser slug breaks up into a cloud of (not quite) lead 'dust', with the individual particles retaining little residual kinetic energy. The ricocheting copper jacket, OTOH, might produce superficial cuts, but is hardly life-threatening.

If I can find time, I will post a comment detailing tests I did on gallon milk jugs filled with water. The differences between the Glaser, hollowpoints, and full-jacketed "hardball" slugs was dramatic.

Suffice it to say that my carry HK P7 mag is loaded with Federal 115 gr hollowpoints -- topped off with a Glaser, and with a Glaser "in the pipe".

I'd feel quite safe flying with a trained pilot whose piece was loaded with Glasers...

Just to expand, or clarify, a little. The Glaser also makes sure that the bullet dumps 100% of its kinetic energy into the target. It's safe for people on the other side of a wall, or people exposed to ricochet, but not at all safe for a person struck dead on by the bullet.

I remember reading a book by the old outfitter, guide and author Hearder (can't remember his fist name, just his brother's name, Jacque). Anyway, he talked about being able to make a big game round out of any full power shotgun cartridge by cutting and opening in the cardboard shell (very old book, pre-plastic shells) and pouring wax over the shot to keep it togeather. I have no idea if this really would work or not, thought the theory is sound. This is basically how a glaser works.