How to Choose and Setup Decapping Dies Correctly

March 30, 2023How to Choose and Set up Decapping Dies ProperlyOne Forum member complained that his primers wouldn’t fit flush to the rim. He tried many primer tools but the primers didn’t fit deep enough. He measured the primers and found that they were the correct thickness. However, his primer pockets didn’t seem deep enough. Boyd Allen, our friend, diagnosed the problem. The problem was in the decapping rod. If the rod is too low (screwed in far enough), the base of full-diameter rod shaft (just below the pin) will contact your case. The shaft is made of steel, while your case is made from brass, which is a softer, weaker metal. The shaft can stretch the base of your primer pocket outward when you lift the case into the die. Most presses have enough leverage for this. The fix is easy. Adjust the decapping rod to ensure that the rod shaft’s base does not touch the inside of your case. The pin should only extend past the flash hole enough to knock out the primer. The photo is of a Lyman Universal Decapping Die. The photo shows a Lyman Universal decapping die. The LEE Universal Decapping Dies are only $11.49
Midsouth Shooters Supply has the LEE Universal Decapping Die at a great price of $11.49 (item number 006-90292). There are many reasons why you might want to remove primers from fired brass prior to case sizing. De-caping rifle brass may be a good idea if it is dirty. If you are using a progressive press, you will find that it is easier to decap your brass first. Decapping Dies to Use with Cases with Smaller Flashholes. The decapping pin included with this Lee die is too large for LAPUA 220 Russian (6.5×47, 6.5 Creedmoor),.308 Win(Palma), and Norma 6 PC flash holes. The pin diameter is too big for these brass types. You can either turn the pin down or use a different tool to decap the case with.059-.062. Sinclair Int’l offers a Stainless Decapping Die with BOTH.080 or.060 pins. The $46.99 die comes with three decapping Pins for standard.080. Two pins are available for.060 and three decapping pins for standard.080? Flash holes.Redding offers a Universal Decapping Die that can be used with a smaller-diameter decappingrod for the smaller.059 to.062? flash holes are found on the BR or PPC cases. This video explains how to use this die. Similar Posts:Tags :.060 Flash Hole. Flash Hole. Lee Decapper. Remove Primer. Sinclair Int’l Decapping Die.