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**Unclenick** · October 18, 2012, 11:11 AM

Yep. After subtracting the thread depth, a 7/8-14 die leaves you only about .75" to whittle out under the threads. Subtract the 0.560" SL1 measured from that and you have metal wall thickness of only about 0.020" left all around.

If you have a .50 BMG or a .577 Snider or other fat case, you need 1¼" dies and a press that will handle them.

October 18, 2012, 11:11 AM	#10
Unclenick Staff Join Date: March 4, 2005 Location: Ohio Posts: 21,061	Yep. After subtracting the thread depth, a 7/8-14 die leaves you only about .75" to whittle out under the threads. Subtract the 0.560" SL1 measured from that and you have metal wall thickness of only about 0.020" left all around. If you have a .50 BMG or a .577 Snider or other fat case, you need 1¼" dies and a press that will handle them. __________________ Gunsite Orange Hat Family Member CMP Certified GSM Master Instructor NRA Certified Rifle Instructor NRA Benefactor Member and Golden Eagle