Removing Primer Crimp
- Thread starter Luke Duke
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I started out doing 5.56 military brass with a hand reamer but I did so many rounds that it got tiring so I switched to a swager.
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The RCBS primer pocket crimp remover works very well and is inexpensive. Complaints come from those who don't fine tune the adjustment. Once properly set, it never needs to be adjusted again. Works much better than a reamer as it swages the primer pocket.
scattershot
Member
I use a 1/2" countersink bit in an electric drill. A touch is all it takes, and you can remove the crimp easily.
Ivan the Butcher
Member
RCBS makes a simple swager that works in any 7/8-14 threaded press. They also make a pocket crimp ream for their case prep station. (You can just chuck it in a cordless drill and use it.
When I got real serious and did a batch of 20,000 223's I used the swager (you need to deprime before any crimp removal) Your grip will get so worn out that your hand cramps up on any type of ream, power or hand twisted!
I also did a couple 10,000 round batches of 9mm; thing go pretty fast with a swager. I've done a few hundred 30-06 and 308 at a time and a few thousand 45's at a time. The RCBS swager die and kit is really the way to go for price and the Dillon is the Rolls Royce of swagers.
Ivan
When I got real serious and did a batch of 20,000 223's I used the swager (you need to deprime before any crimp removal) Your grip will get so worn out that your hand cramps up on any type of ream, power or hand twisted!
I also did a couple 10,000 round batches of 9mm; thing go pretty fast with a swager. I've done a few hundred 30-06 and 308 at a time and a few thousand 45's at a time. The RCBS swager die and kit is really the way to go for price and the Dillon is the Rolls Royce of swagers.
Ivan
BigBill
Absent Comrade
I use the ribs case mouth deburr first them the Lyman primer pocket crimp sewage tool. Be careful using military brass it's a tad thicker wall.
Huskerguy
Member
Also a Dillon swager fan. I have done thousands with it. Easy to set up, quick and works. I don't like the idea of removing metal with anything powered.
I like to start off using the rcbs primer pocket swaging die that fits in a standard 7/8-14 press. I run a case up in die, lower the ram and turn the case 90* and run it up again. The lower the ram remove the case and hit the primer pocket 1 more time using a cordless drill and a primer pocket reamer that came with the lyman case trimmer set.
Takes a little while but the end result is even tight primer pockets.
Takes a little while but the end result is even tight primer pockets.
Our club bought a Dillon swagging tool a number of years ago and anyone can take it out when needed. Makes the job a lot easier.
BlackTalonJHP
Member
Hornady Primer Pocket Reamer
The one that's 8-32 thread, threaded into 1/4" hex standoff with 8-32 internal thread, and then inserted into a 1/4" hex cordless screwdriver
The one that's 8-32 thread, threaded into 1/4" hex standoff with 8-32 internal thread, and then inserted into a 1/4" hex cordless screwdriver
gregintenn
Member
A twist with a chamfer tool has worked for me all these years.
jimbo728
Member
+1 to all answers.
Do to need because of bad hands I bought the Lyman Case Prep Express.
89 bucks. It has 5 stations supporting hardware for all case prep except trimming. The Lyman Universal case trimmer handles that job.
Jim
Do to need because of bad hands I bought the Lyman Case Prep Express.
89 bucks. It has 5 stations supporting hardware for all case prep except trimming. The Lyman Universal case trimmer handles that job.
Jim
fredj338
Member
Only two ways to do it, ream it or swage it. Reaming is pretty fast with the right tool, swaging requires a special tool, bench mounted are easiest & fastest to use for swaging.
When I first encountered military primer crimps I immediately thought of a countersink (lifelong machinist/mechanic). I had a few in my tool box and have been using a countersink or Lyman chamfer tool, for crimp removal for the last 30 years. Inexpensive, quick, easy to use and it takes just 1/2 second...
1/2"x 60 degree works quite well McMaster-Carr
1/2"x 60 degree works quite well McMaster-Carr
+1 with post #7;
I lock a drill in a vise, lock the trigger and go to town with the Correct
size reamer bit.
I will ream with my Forester but only for a few cases.
I lock a drill in a vise, lock the trigger and go to town with the Correct
size reamer bit.
I will ream with my Forester but only for a few cases.
Hornady now make a press mounted swager that works great and has a carbide swager.
The web page below has two types of swagers, so just click on the single stage video to see how it works and how easy it is to adjust.
https://www.hornady.com/reloading/presses/lock-n-load-accessories/primer-pocket-swage-tool
Unlike the RCBS press mounted swager the carbide swager is in the top of the die and the rod slides into its shell holder.
The web page below has two types of swagers, so just click on the single stage video to see how it works and how easy it is to adjust.
https://www.hornady.com/reloading/presses/lock-n-load-accessories/primer-pocket-swage-tool
Unlike the RCBS press mounted swager the carbide swager is in the top of the die and the rod slides into its shell holder.
