
Availability: In Stock
Current Stock: Out of stock
The Lyman Pro Maximum Cartridge Gauge for 10mm is a precision inspection tool built for reloaders who demand consistency and reliability in their pistol ammunition. Machined from corrosion-resistant stainless steel, this gauge lets you verify case length, case diameter, and overall cartridge length—three critical dimensions that separate match-grade rounds from rejects. Whether you're loading for competition, duty carry, or personal defense, this tool gives you the confidence that every round meets your standards before it leaves the bench.
The design reflects Lyman's reputation for quality: flat surfaces on the exterior prevent the gauge from rolling across your loading bench, while integrated o-rings keep it secure in your hands during inspection. These aren't cosmetic touches—they're practical features born from real-world reloading. Top competitive shooters treat cartridge inspection as non-negotiable, and this gauge is built to support that discipline. It's the kind of tool that pays for itself in peace of mind and ammunition consistency.
Stainless steel construction means this gauge won't rust or degrade with regular use, so your investment holds up through years of reloading. If you're serious about hand-loading 10mm ammunition and want a reliable way to catch out-of-spec rounds before they go downrange, this is the gauge to have on the bench.
| Cartridge | 10mm |
| Material | Stainless Steel |
| Measurements | Case length, case diameter, overall cartridge length |
This gauge inspects case length, case diameter, and overall cartridge length—the three key measurements that determine whether a loaded round meets specifications.
Top competition shooters require 100% reliability from their ammunition. A cartridge gauge catches out-of-spec rounds before they go downrange, eliminating variables that could affect performance or reliability.
No. The gauge is machined from corrosion-resistant stainless steel, so it maintains its precision and appearance through years of reloading.
Yes. The flat exterior surfaces prevent it from rolling, and the o-rings provide a non-slip grip for comfortable, secure handling during inspection.

SKU: 144600330 • Weight: 0.5oz





Availability: In Stock
Current Stock: Out of stock
The Lyman Pro Maximum Cartridge Gauge for 10mm is a precision inspection tool built for reloaders who demand consistency and reliability in their pistol ammunition. Machined from corrosion-resistant stainless steel, this gauge lets you verify case length, case diameter, and overall cartridge length—three critical dimensions that separate match-grade rounds from rejects. Whether you're loading for competition, duty carry, or personal defense, this tool gives you the confidence that every round meets your standards before it leaves the bench.
The design reflects Lyman's reputation for quality: flat surfaces on the exterior prevent the gauge from rolling across your loading bench, while integrated o-rings keep it secure in your hands during inspection. These aren't cosmetic touches—they're practical features born from real-world reloading. Top competitive shooters treat cartridge inspection as non-negotiable, and this gauge is built to support that discipline. It's the kind of tool that pays for itself in peace of mind and ammunition consistency.
Stainless steel construction means this gauge won't rust or degrade with regular use, so your investment holds up through years of reloading. If you're serious about hand-loading 10mm ammunition and want a reliable way to catch out-of-spec rounds before they go downrange, this is the gauge to have on the bench.
| Cartridge | 10mm |
| Material | Stainless Steel |
| Measurements | Case length, case diameter, overall cartridge length |
This gauge inspects case length, case diameter, and overall cartridge length—the three key measurements that determine whether a loaded round meets specifications.
Top competition shooters require 100% reliability from their ammunition. A cartridge gauge catches out-of-spec rounds before they go downrange, eliminating variables that could affect performance or reliability.
No. The gauge is machined from corrosion-resistant stainless steel, so it maintains its precision and appearance through years of reloading.
Yes. The flat exterior surfaces prevent it from rolling, and the o-rings provide a non-slip grip for comfortable, secure handling during inspection.
SKU: 144600330 • Weight: 0.5oz
