Wilson Primer Pocket Reamer .175

The L.E. Wilson Primer Pocket Reamer .175 is a precision case preparation tool designed for reloaders working with military brass. Military-spec cases often come with a primer pocket crimp—a raised edge around the primer pocket that interferes with consistent primer seating. This .175 reamer removes that crimp cleanly, creating a smooth, rounded entry that allows primers to seat flush and uniformly, which is essential for reliable ignition and case longevity.

Whether you're sorting through military surplus brass or processing once-fired 5.56 and similar military-origin cases, this reamer handles the job without distorting the case head—a common problem with inferior tools. The precision-ground flutes cut efficiently and leave a finished pocket ready for priming. The tool comes equipped with a knob-style handle for controlled, one-handed operation, and is made in the U.S.A. It pairs well with a case trimmer in a complete prep workflow.

Reloaders who demand consistent ammo know that primer pocket prep is foundational. A crimp-free pocket means better primer seating pressure, tighter velocity spreads, and more predictable ballistics. If you're salvaging military brass or just want clean, uniform pockets on all your cases, the Wilson .175 reamer is a practical, durable addition to your bench.

Key Features

• Removes primer pocket crimps on military cases for uniform primer seating
• Precision-ground flutes for clean, efficient cutting
• Leaves smooth, rounded primer pocket entry—no sharp edges
• Does not distort the case head
• Includes knob-style handle for controlled single-hand operation
• Made in the U.S.A.

Specifications

Product	Primer Pocket Reamer
Size	.175 (small primer pocket)
Brand	L.E. Wilson
Handle Type	Knob Style
Country of Origin	U.S.A.

Frequently Asked Questions

What is a primer pocket crimp and why do I need to remove it?

Military cases have a small raised crimp around the primer pocket that holds the primer in place during manufacture and handling. This crimp prevents standard primers from seating flush, causing inconsistent seating pressure and ignition variance. Removing it creates a clean pocket for proper primer seating.

Will this reamer damage my brass?

No. The Wilson reamer is designed to remove only the crimp without distorting the case head or surrounding brass, preserving the structural integrity of your cases for multiple reloads.

Does this tool work on large and small primer pockets?

This is the .175 version, which is sized for small primer pockets. If you're working with large primer pocket military cases, you'll need the .210 size instead.

What handle style comes with this reamer?

The Wilson Primer Pocket Reamer .175 includes one knob-style handle, which provides a comfortable, controlled grip for one-handed operation at the reloading bench.