Thread: .17 HMR blow up

It's not that uncommon as some would have you believe.
I've been through the blowing up of a T bolt and it only pushed the projectile half way down the barrel. In the last few weeks, I've been testing the ammo only to find split cases and I was getting the odd double to extract, but on the bench I was seeing a lot more split than normal, tentman+ gamely stood by as inspector Morse. In different ammo, like .22 find a batch and buy it and the newer the better.
Here's what I have learnt, the cases aren't annealed and the older the more prone to splitting. Hornardy have said it's usually ammo getting to the ten year mark that case are seen to split. Yet I don't find that to be the guide line.
Hornady recommends! Typically we like to see below 30 percent humidity and temperature of 65 to 70 degrees.
They have no control on shipping and storage when it gets here and how many years old is it, well at least three in the batches I've shot.
Now I am a great fan of the 17hmr in pest control and while major failures can happen, the idea is to take note of the batch and check for splitting.
Keep your ammo dry in good storage and keep an eye on the gas leakage in the chamber, because it will eat it at some point, if you shoot a lot.
I have taken to keeping the chamber ring clean, so not to add pressure to the neck of the case, the 17hmr have very tight tolerances that's what makes them shoot.
May we all continue to shoot another year.
KH