Description
RCBS Lube-A-Matic Sizer Die – .310 Diameter
The RCBS Lube-A-Matic Sizer Die in .310" is a precision tool designed for lubricating and sizing cast bullets to a consistent diameter. Built for use with the RCBS Lube-A-Matic-2 and Lyman 450/4500 lubricators, it ensures perfect cylindrical alignment and applies lube to grease grooves in a single stroke.
Key Features:
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.310" Diameter Sizing: Ideal for .30-caliber cast bullets
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Precision-Honed Interior: Maintains bullet concentricity within ±0.0005" tolerance
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Hardened Steel Construction: Long-lasting and resistant to wear
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Gas Check Compatible: Helps crimp gas checks during sizing
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Cross-Compatible: Fits both RCBS Lube-A-Matic-2 and Lyman 450/4500 sizers
Specifications:
| Feature |
Details |
| Caliber |
.310" (for .30-cal bullets) |
| Die Type |
Lube & Sizer Die |
| Material |
Hardened Steel |
| Compatibility |
RCBS Lube-A-Matic-2, Lyman 450/4500 |
| Top Punch |
Sold separately |
Performance and Application
Perfect for cast bullet reloaders, this die ensures uniform bullet diameter and proper lubrication, which are critical for accuracy and reduced barrel leading. It’s especially useful for shooters loading for .30-caliber rifles like the .30-30, .30-06, or .308 Win.
