Glenlivet Posted March 19, 2016 Report Share Posted March 19, 2016 (edited) Eley .410 65mm 12.5gram Fourlong carts 59mm true length. Lyalvale 65mm 14 gram carts 63mm. Puzzled? Edited March 19, 2016 by Glenlivet Quote Link to comment Share on other sites More sharing options...
bluesj Posted March 19, 2016 Report Share Posted March 19, 2016 The length on the cartridge is the fired length, so my guess would be that the lyalvale are roll crimped and the eley are star crimp Quote Link to comment Share on other sites More sharing options...
Glenlivet Posted March 19, 2016 Author Report Share Posted March 19, 2016 Ahhhh, interesting. Thanks,I'll measure the fired shells. Just odd seeing them side by side in very different lengths. Quote Link to comment Share on other sites More sharing options...
Brodie Posted March 23, 2016 Report Share Posted March 23, 2016 The length on the cartridge is the fired length, so my guess would be that the lyalvale are roll crimped and the eley are star crimp Good answer Quote Link to comment Share on other sites More sharing options...
Continental Shooter Posted March 24, 2016 Report Share Posted March 24, 2016 even when opened the cartridges will be shorter than nominal length and there will be differences between shells. The lengths is an indication more than an accurate measurement. Quote Link to comment Share on other sites More sharing options...
DrBob Posted March 24, 2016 Report Share Posted March 24, 2016 (edited) A cartridge rated at 65mm (21/2") cannot be longer than 65mm, otherwise the opened case will impinge on the chamber end (where the wider chamber narrows to the bore diameter), but it may be shorter. Eley tended to be RTO in .410 (Fourten/Fourlong/Extra Long) Fiocchi, for example, are crimped. (I note that the new Eley .410 Trap are crimp closure, the cases are stamped with the Fiocchi name) Edited March 24, 2016 by DrBob Quote Link to comment Share on other sites More sharing options...
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