Have you opened one of them up? I'm wondering if that's just a cap or seal to keep something else inside the jacket.
Nozombies.com Practical Zombie Survival
Collecting .32 molds. Please let me know if you have one you don't need, cause I might "need" it!
Home made Glaser Safety Slug, perhaps?
If you have more than one, you might pull the projectile, and dissect it by removing the plastic(?) cap to see if it is loaded with small shot.
Got-R-Did.
You might also weigh the cartridge compared to a traditional ( say 180 gr-240 gr ) factory cartridge if you have but one of this unknown round.
Got-R-Did.
I have some in 357 mine has a blue rubber nose and it is full of number 12 shot, there are some good pic's and descriptions on the net.
BP | Bronze Point | IMR | Improved Military Rifle | PTD | Pointed |
BR | Bench Rest | M | Magnum | RN | Round Nose |
BT | Boat Tail | PL | Power-Lokt | SP | Soft Point |
C | Compressed Charge | PR | Primer | SPCL | Soft Point "Core-Lokt" |
HP | Hollow Point | PSPCL | Pointed Soft Point "Core Lokt" | C.O.L. | Cartridge Overall Length |
PSP | Pointed Soft Point | Spz | Spitzer Point | SBT | Spitzer Boat Tail |
LRN | Lead Round Nose | LWC | Lead Wad Cutter | LSWC | Lead Semi Wad Cutter |
GC | Gas Check |