RCBS Carbide Taper Crimp Die Set for .357 Magnum
- Caliber-Gauge:
- 357 Magnum
If you're handloading .357 Magnum, a quality die set is the foundation of consistent, reliable ammunition. The RCBS Carbide Taper Crimp Die Set for .357 Magnum is a three-die system engineered specifically for straight-wall pistol cases, giving you the precise control you need whether you're working up loads for hunting, competition, or plinking. RCBS has been the standard-setter in reloading dies for decades, and this carbide setup eliminates one of reloading's ongoing hassles: case lubrication.
What makes carbide dies practical for pistol work is the hard carbide sizer ring, which sizes your brass and removes the spent primer without the mess and time of lubricating every case. The expander die handles the next step—opening the case mouth to the right diameter so bullets seat cleanly and imparts the bell (flare) that helps bullets feed smoothly into your press. The seater die finishes the job by seating the bullet to your exact depth and applying a taper crimp that keeps rounds secure in the chamber without deforming the bullet or overworking your brass.
This is the kind of straightforward, no-frills setup that works the same way year after year. You'll spend less time fussing with lube and more time at the bench or the range. For reloaders who shoot .357 Magnum regularly—whether for wheelguns, lever guns, or semi-autos—this three-die set will handle thousands of rounds and keep your brass in shape cycle after cycle.
Key Features
- Carbide sizer ring eliminates the need for case lubrication
- Complete three-die set sized specifically for .357 Magnum straight-wall cases
- Expander die with case mouth bell for reliable bullet feeding
- Taper crimp seating die for secure, consistent crimps
- RCBS engineering and quality
Specifications
| Caliber | .357 Magnum |
| Die Type | 3-Die Set (Sizer, Expander, Seater) |
| Sizer | Carbide |
| Case Type | Straight-wall pistol |
| Crimp Style | Taper Crimp |
Frequently Asked Questions
Do I need to lubricate cases with the carbide sizer die?
No. The carbide sizer ring in this die eliminates the need for case lube, which saves time and keeps your reloading bench cleaner.
What's included in this die set?
The set includes three dies: a carbide sizer die (which also de-primes), an expander die, and a taper crimp seating die. These are the essential dies for reloading .357 Magnum.
Can I use this die set on any reloading press?
This set is compatible with standard reloading presses that accept RCBS or standard ½-14 dies. Check your press specifications to confirm compatibility.
Is this die set suitable for both .357 Magnum revolvers and lever guns?
Yes. The .357 Magnum die set works for any firearm chambered in that cartridge, including revolvers, lever-action rifles, and semi-automatic pistols.

