Jacob Grey owner resources

Ammunition recommendations.

Match your exact Jacob Grey configuration with the factory-new, high-quality ammunition and power-factor range recommended for reliable operation and intended performance.

Choose your model

Model-specific guidance

Choose the exact configuration.

Ammunition requirements are not universal across every platform. Confirm the model and barrel-length configuration marked on your firearm before selecting a recommended load.

9mm ammunition guide

Nox Gentleman Series

Factory-new, high-quality 124-grain ammunition is recommended for this compensated and ported configuration.

View the Gentleman Series
Recommended loads

Factory-new 124 gr

Use one of the following published ammunition recommendations.

  • MaxxTech 124 gr
  • Winchester NATO 124 gr
  • Fiocchi Range Dynamics 124 gr

9mm ammunition guide

StageMaster 5.0

Recommendations for the full-size 5.0-inch StageMaster competition configuration.

View the StageMaster
Recommended loads

Factory-new 115 gr

Use one of the following published ammunition recommendations.

  • PMC Bronze 115 gr
  • Remington Range 115 gr

9mm ammunition guide

StageMaster 4.6

Recommendations for the compact 4.6-inch StageMaster competition configuration.

View the StageMaster
Recommended loads

Factory-new PMC Bronze

Use one of the following published ammunition recommendations.

  • PMC Bronze 124 gr
  • PMC Bronze 115 gr

Understanding the specification

Power factor matters.

Power factor calculation PF = (gr x fps) / 1,000

gr = projectile weight in grains
fps = feet per second

Important ammunition notice

  • Performance with ammunition outside the published recommendations is not guaranteed.
  • Blazer ammunition is not recommended. Jacob Grey is not liable for malfunctions or failures if it is used.
  • Steel-cased and remanufactured ammunition are not recommended.
  • Use of handloaded, +P, or proof ammunition can void your warranty.

Do not see your model?

Contact Jacob Grey Customer Support before selecting ammunition for a firearm or configuration not listed on this page.

Contact customer support