The best training ammo period. Almost every mag has a failure to fire or failure to eject. If you love practicing clearing jams then this is your ammo. More jams than anything else I've ever tried. Lucky for me I bought a lot of it on sale so I will be practing clearing jams for a while. Thanks Tenda!
If you want cheap and reliable this is not it. But it is cheap.
Seriously the primers are hard. What looks like a good primer strike fails to fire. But that being said when I shoot it a second time it always goes off. So in fairness it is reliable when you reload it a second time!
It's more reliable in my M17 than G19X. More failures to eject in the Sig than Glock. Glocks were mostly light primer strikes.
Overall a piss poor shooting experience at the range. Same guns have zero issues with 115 or 124 blazers.
The ammo looks exactly like SB 124gr 9mm. All brass including the lead. It's a nice looking bullet. 
When it does go off the accuracy is bad. Real bad. Groups about 50% larger than blazers for me at 25 yards.