Description
If you cast your own .224" bullets, a good sizer die is what separates a lumpy pile of lead from loadable, uniform projectiles. The RCBS Lube-A-Matic Bullet Sizing Die .224" takes care of two jobs at once, running your cast bullet down to a true .224 diameter while packing lube into the grease grooves on the same stroke. The die is precision-honed to a 0.0005-inch tolerance, so the bullets coming out the bottom are consistent from the first one to the last.
What the Lube-A-Matic .224" Die Brings to the Bench
The interior is hardened to hold its shape and keep perfectly cylindrical bullets aligned as they pass through. That hardened bore is the part that does the heavy lifting, swaging the bullet to size in one smooth motion without stressing the tool or deforming the lead. The two lube holes feed your bullet lubricant directly into the grooves, and how deep the bullet sits (and therefore how many grooves get filled) comes down to how you set your ejector rod. It's a simple, repeatable setup once you dial it in.
Fitment for Your Lube-A-Matic Setup
This .224" die drops into the RCBS Lube-A-Matic and Lube-A-Matic-2 sizer/lubricators, and it's also built to run in the Lyman 450 and 4500 lube sizers since those machines share the same die and punch dimensions. One thing worth knowing before you order: the top punch is sold separately. The punch is machined to match a specific bullet nose profile, so you'll want to pair this die with the right punch for the bullets you're casting. If your load calls for gas checks, the Lube-A-Matic sizer will seat them during the same operation.
For anyone loading .224 caliber cast bullets for the .22 Hornet, .223, or similar, this die is the backbone of a clean, efficient sizing and lubing routine.
Key Specifications
- Manufacturer: RCBS
- Model / MPN: 82200
- UPC: 076683822000
- Bullet Diameter: .224"
- Type: Lube and Sizer Die
- Sizing Tolerance: Precision-honed to 0.0005 inch
- Interior: Hardened for alignment
- Gas Checks: Seats gas checks (in a compatible sizer)
- Compatibility: RCBS Lube-A-Matic / Lube-A-Matic-2, Lyman 450 and 4500 lube sizers
- Country of Origin: USA
- Shipping Weight: 0.1875 lb
What’s Included
- (1) RCBS Lube-A-Matic Bullet Sizing Die, .224" diameter
Frequently Asked Questions
Does the RCBS Lube-A-Matic .224" die come with a top punch?
No, the top punch is sold separately. RCBS makes the punch separate because it's machined to match a specific bullet nose shape, so you can pair the die with the right punch for the bullets you cast. Plan on ordering a punch that fits your bullet's nose profile along with this die.
Will this die work in a Lyman lube sizer?
Yes. Along with the RCBS Lube-A-Matic and Lube-A-Matic-2, this die is built to run in the Lyman 450 and 4500 lube sizers. Those machines share the same die and punch dimensions, so RCBS and Lyman dies and punches are interchangeable between them.
Can the Lube-A-Matic .224" die handle gas-checked bullets?
The die sizes and lubes the bullet, and the Lube-A-Matic sizer itself seats gas checks during the same operation. If you're running gas checks, you'll want a top punch sized correctly for that caliber so the check seats cleanly. For plain-base bullets, the gas check step simply doesn't come into play.
What does this die actually do to the bullet?
It runs your cast bullet down to a true .224 diameter and pushes lubricant into the grease grooves on the same stroke. The hardened interior keeps the bullet aligned and swages it to size smoothly, while the lube holes fill the grooves. How many grooves get filled depends on how deep you set the bullet to drive into the die using your ejector rod.





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