11-29-2011, 06:22 PM
Kudos to LR for his innate curiosity.
I have on occasion took time to lengthen/shorten bits and pieces in the Grendel system to see what works and for how long. Does the headspace effect accuracy and what is safe etc. One thing we have tried is moving the chamber forward to see just how far we can drift before problems start. Typically the Grendel allows for 0.020 of excess space over the CASE before the system will fail to fire or pick up the case on the extractor. The onset of both failure to fire and also extract is happily timed at about the same place. Accuracy is actually not absolutely dependent upon a tight headspace which is something we tried to achieve.
The OP barrel may not be dangerous but something is quite amiss.
I have on occasion took time to lengthen/shorten bits and pieces in the Grendel system to see what works and for how long. Does the headspace effect accuracy and what is safe etc. One thing we have tried is moving the chamber forward to see just how far we can drift before problems start. Typically the Grendel allows for 0.020 of excess space over the CASE before the system will fail to fire or pick up the case on the extractor. The onset of both failure to fire and also extract is happily timed at about the same place. Accuracy is actually not absolutely dependent upon a tight headspace which is something we tried to achieve.
The OP barrel may not be dangerous but something is quite amiss.