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Odd looking pistol primer?

Fishnbeer

The dude abides
Joined
Jun 8, 2020
Member Number
1907
Messages
527
Loc
CA
I did another pistol class on sunday. I really enjoy these classes, you get to work on stuff that is not allowed at pretty much any range out here: holster draws, rapid fire, movement, etc. The instructors are competetive shooters, its akin to having Tom Brady coach you on how to throw a football.

I reload 9mm. I picked up a bag of brass and came across this primer:
20240923_124407.jpg

It does not have an indentation where the firing pin struck the primer. The center of it feels like a piece of brass sticking out of it. You can feel it when you scratch it with your nail.

They do competetition shoots and some guys run '9mm major'. Is this some kind of super hot primer for comp shoots?
 
Looks like it flattened the primer due to high pressure. Fairly common, especially with guys running right at the edge with high velocities.

The pressure pushes the indentation from the firing pin back out, and can cause the primer to flow back into the firing pin hole.
 
extra wierd because the sides of the cup ain't flat at all, meaning pressures were fairly low

dunno where "abt" headstamp comes from, prolly turkish shit so who knows what's going on in there
 
Ok now what the hell is this? The case bottom is a separate thing fused together. Stamped 9mm luger S3
20241117_132403.jpg
 
Why do I need a set of special reloading dies for NAS³ pistol cases?
S3 Reload dies are required for reloading the Shell Tech’s pistol cases.Shell Tech’s NAS³ pistol cases are made in 2 pieces; a nickel-alloy cylinder and an aluminum base. In addition to being manufactured from different materials than brass cases, the NAS³ cases also perform differently once fired. For example, the NAS³ cylinder has a much higher tensile strength than brass, meaning that it returns to virtually its original size when fired.As the NAS³ cases return to virtually their original size when fired and require no trimming, the S3 Reload dies (combined with the use of lubricant) are designed to prolong the case life and maximize the number of reloads. Part of how this is achieved is by having a spring inside the die that pushes the case out of the die, instead of pulling from the base rim (as with conventional brass cases). This spring-assisted mechanism avoids placing unnecessary stress on the joint between the two pieces and reduces damage to the base rim. The S3 Reload dies are threaded to fit all popular bench-top reloading equipment. More details on the S3 Reload dies can be found here along with instructions and instructional videos.
 
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