Hornady 390750 Small Primer Pocket Reamer - Multi-Caliber Steel Tool

The Hornady 390750 Primer Pocket Reamer addresses the critical issue of crimped primer pockets that prevent proper seating during brass preparation. This precision steel tool removes military crimp from small rifle and pistol primer pockets, enabling consistent primer installation for accurate handloaded ammunition.

What Makes This Different

Unlike generic reamers that can overcut primer pockets, this Hornady tool features precise cutting geometry calibrated specifically for small primer dimensions. The hardened steel construction maintains sharp cutting edges through hundreds of cases, while the controlled cutting depth prevents pocket enlargement that compromises primer retention. Standard drill-powered reamers often create inconsistent pocket depths, but this hand tool delivers uniform results across multiple brass manufacturers.

Key Features

• Removes military crimp from small rifle and pistol primer pockets
• Hardened steel construction resists dulling and edge wear
• Precision-ground cutting edges maintain consistent pocket dimensions
• Compatible with .223/5.56, .308/7.62, 9mm, .40 S&W, and other small primer cases
• Hand-operated design provides tactile feedback and prevents overcutting
• Ergonomic handle reduces fatigue during high-volume brass prep
• Multi-caliber compatibility eliminates need for separate tools

This reamer excels in high-volume brass preparation scenarios where military surplus cases require primer pocket work. Competition shooters processing large quantities of Lake City brass rely on tools like this for consistent primer seating depth. The controlled cutting action ensures primer pockets maintain proper dimensions for reliable ignition, whether loading match ammunition or duty rounds.

Technical Specs

• Material: Hardened steel cutting head with steel handle
• Compatibility: Small rifle and pistol primer pockets (.175" diameter)
• Operation: Manual hand reamer with rotating cutting action
• Finish: Silver/natural steel finish
• Model Number: 390750
• UPC: 090255907506
• Manufacturer: Hornady Manufacturing

Reloaders who process military brass understand that proper primer pocket preparation directly impacts ignition consistency and accuracy. This Hornady reamer transforms unusable crimped cases into reliable brass ready for precision loading applications.