Several threads on this, but none comprehensive enough to save me from buying 5 different tools and weeding them out:
1.) RCBS "Military Crimp Remover" for primer pockets. Total junk don't waste your money I sent it back
2.) RCBS or K&M Tool Primer pocket uniformer with carbide cutter head: you would think this would allow you to remove it, but it don't. It is useful for after crimp removed, see below.
3.) A standard RCBS case mouth inside chamfer tool. Believe it or not, this is your second best bet, and it works even better if you hold at as big an angle you can away from parallel to the primer pocket. The problem is it removes more material than is necessary, thus chamfering your primer pocket. This probably doesn't matter because the primer is seated deeper than the chamfer so that part of the pocket doesn't support the primer, but if you like aeathetics, you will not be happy with the lack of uniformity of the results.
4.) The $335 Dillon 50 BMG Primer Pocket Swaging tool. Sadly, for all the hype, this thing is also a piece of junk and I returned it. It *barely* removed the crimp and primers were still flattened during seating because of the excessive force required owing to the residual crimp this behemoth did not remove.
5.) Alas, there is what appears to be the perfect tool:
The Lyman 50 BMG multitool (https://www.midsouthshooterssupply.com/item/000157777811/50-bmg-multi-tool) Lyman #7777811 $50
In addition to having inside and outside chamfer tools for 50 BMG and a primer pocket cleaner and uniformer, it has a crimp removal tool which is basically like a countersink drill head that fits perfectly and allows you to remove deep enough to remove the entire crimp. A couple of turns just about does it, and you can check to see if you've removed enough because if you have the carbide uniformer will go easily into the pocket and rotate easily. If it does not rotate freely, you need to remove a bit more material. After using this, your primers will seat as smooth as butter and your pockets will be all uniform and pretty.
The only major one I have not tried is the one that goes with the LE Wilson trimmer - but like the Dillon thing, I didn't want to have $300 wrapped up in a piece of equipment just to remove a stupid brass primer crimp.
Do yourself a favor and get the Lyman multitool. Major problem solved with a simple tool. Just how I like it.
1.) RCBS "Military Crimp Remover" for primer pockets. Total junk don't waste your money I sent it back
2.) RCBS or K&M Tool Primer pocket uniformer with carbide cutter head: you would think this would allow you to remove it, but it don't. It is useful for after crimp removed, see below.
3.) A standard RCBS case mouth inside chamfer tool. Believe it or not, this is your second best bet, and it works even better if you hold at as big an angle you can away from parallel to the primer pocket. The problem is it removes more material than is necessary, thus chamfering your primer pocket. This probably doesn't matter because the primer is seated deeper than the chamfer so that part of the pocket doesn't support the primer, but if you like aeathetics, you will not be happy with the lack of uniformity of the results.
4.) The $335 Dillon 50 BMG Primer Pocket Swaging tool. Sadly, for all the hype, this thing is also a piece of junk and I returned it. It *barely* removed the crimp and primers were still flattened during seating because of the excessive force required owing to the residual crimp this behemoth did not remove.
5.) Alas, there is what appears to be the perfect tool:
The Lyman 50 BMG multitool (https://www.midsouthshooterssupply.com/item/000157777811/50-bmg-multi-tool) Lyman #7777811 $50
In addition to having inside and outside chamfer tools for 50 BMG and a primer pocket cleaner and uniformer, it has a crimp removal tool which is basically like a countersink drill head that fits perfectly and allows you to remove deep enough to remove the entire crimp. A couple of turns just about does it, and you can check to see if you've removed enough because if you have the carbide uniformer will go easily into the pocket and rotate easily. If it does not rotate freely, you need to remove a bit more material. After using this, your primers will seat as smooth as butter and your pockets will be all uniform and pretty.
The only major one I have not tried is the one that goes with the LE Wilson trimmer - but like the Dillon thing, I didn't want to have $300 wrapped up in a piece of equipment just to remove a stupid brass primer crimp.
Do yourself a favor and get the Lyman multitool. Major problem solved with a simple tool. Just how I like it.
