Shooters World Heavy Pistol D037-02 Smokeless Gun Powder: Big-Bore Magnum Revolver Performance

Shooters World Heavy Pistol D037-02 is a fast-to-medium spherical propellant built for large-case magnum revolver cartridges, with a burn rate similar to Accurate No. 9. It’s positioned between two siblings in the Shooters World pistol lineup — the slower D037-01 and the faster D063-01 — and is flash-suppressed for cleaner shooting in low light.

Built for Big-Bore Magnum Cartridges

Heavy Pistol D037-02’s spherical granules meter consistently through powder measures and progressive press charge plates, supporting repeatable charge weights across high-volume reloading sessions. Its burn characteristics are matched to the large case capacity of magnum revolver rounds, delivering the sustained pressure curve those cartridges need for full-power performance.

Application Versatility

Heavy Pistol D037-02 is a magnum-revolver and big-bore specialist, with published load data for .357 Magnum, .357 Maximum, .41 Remington Magnum, .44 Remington Magnum, .454 Casull, and .460 S&W Magnum. This is a large-case magnum powder, not an auto-pistol powder — it is not intended for .45 ACP, .40 S&W, or 10mm Auto loads. If you’re loading magnum revolver cartridges, Shooters World Major Pistol D037-01 is a related, slightly slower option worth considering.

Load Development

Always use published, manufacturer-tested load data when developing loads with Heavy Pistol D037-02. Start at the published minimum charge and work up in small increments, weigh every charge on a calibrated scale, and chronograph each string to track velocity consistency. Keep your primer brand, bullet lot, and brass lot constant during development, watch for pressure sigs, and document charge weight, seating depth, primer, and chronograph results so successful loads can be reproduced.

Quick Specs

• Type: Spherical smokeless pistol powder, fast-to-medium burn rate, flash-suppressed
• Manufacturer: Shooters World
• Best for: .357 Magnum, .357 Maximum, .41 Remington Magnum, .44 Remington Magnum, .454 Casull, .460 S&W Magnum
• Container sizes: 1 Lb, 8 Lb

Safety Reminders

Before loading, review a few important guidelines. Never exceed the loads displayed in your reloading guide. Never mix two powders together, regardless of type, brand, or source. Store Heavy Pistol D037-02 in its original, sealed container in a cool, dry, well-ventilated place away from sunlight and heat sources.

Shooters World Heavy Pistol D037-02 For Sale, In Stock

USReloadingPowder keeps Shooters World Heavy Pistol D037-02 Smokeless Gun Powder in stock for magnum revolver reloaders. Browse the rest of our lineup on the Shooters World Powder category page.

FAQs

What cartridges is Heavy Pistol D037-02 best for? It’s built for large-case magnum revolver cartridges — .357 Magnum, .41 Rem Mag, .44 Rem Mag, .454 Casull, and .460 S&W Magnum.

Is Heavy Pistol D037-02 suitable for .45 ACP, .40 S&W, or 10mm Auto? No. It’s a large-case magnum revolver powder, not an auto-pistol powder, and no published load data exists for those calibers.

How does its burn rate compare to other pistol powders? It’s a fast-to-medium burn rate spherical powder, similar to Accurate No. 9.

How should I store it long-term? Keep it sealed in its original container, stored in a cool, dry, ventilated location away from heat and sunlight. Proper storage keeps powder stable for years.