The RCBS Lube-A-Matic Bullet Sizing Die at .427 inch (RCBS part no. 82227) sizes and lubricates cast bullets in one step, even with hard lubricants. Its hardened interior keeps cylindrical bullets properly aligned as they pass through, and the die also crimps the gas check on gas-check-style bullets. It fits the RCBS Lube-A-Matic two-bullet sizer/lubricator as well as the Lyman 450/4500 lube sizer, so it drops into either system. This diameter covers a specific slice of the wide range of handgun and rifle calibers RCBS supports with the Lube-A-Matic line.

Key Specifications

• Sizes bullets to .427 inch diameter.
• Hardened interior keeps cylindrical bullets aligned during sizing.
• Also crimps the gas check on gas-check-style bullets.
• Fits the RCBS Lube-A-Matic sizer/lubricator or the Lyman 450/4500 lube sizer.
• Works with hard lubricants, not just soft ones.
• Interior geometry coordinates with most handgun and rifle calibers in the Lube-A-Matic line.
• Ships at approximately 0.19 lb.

Frequently Asked Questions

What sizers does this die fit? The RCBS Lube-A-Matic two-bullet sizer/lubricator and the Lyman 450/4500 lube sizer.

Does this die crimp gas checks? Yes, it crimps the gas check on gas-check-style bullets during sizing.

Buy the RCBS Lube-A-Matic Bullet Sizing Die, .427 Inch

Cast bullets need to be sized and lubed the same way every time to shoot consistently, and this die handles both steps in one pass through the press. Order this RCBS die from our reloading molds selection and we’ll ship it fast from our Lubbock, Texas gun shop.