
Availability: In Stock
The Promag SHDW System CR920 9mm 30-round drum magazine brings serious capacity to your 9mm pistol platform without the bulk of traditional box magazines. Built for shooters who want reliable high-volume feeding at the range, in competition, or for home defense, this drum magazine combines proven polymer engineering with steel components where it counts. Whether you're running drills, testing your accuracy on steel, or simply maximizing trigger time between reloads, 30 rounds in a single magazine cuts down your reload cycles and keeps you focused on your shot.
Construction matters in a drum magazine, and Promag backs this one with durable materials. The body uses DuPont Zytel polymer—the same engineering-grade plastic you'll find in quality industrial applications—while the feed tower is machined from carbon steel. Inside, a heat-treated stainless steel spring handles the heavy lifting of pushing rounds forward as you fire. An injection-molded polymer follower rides the spring, and aggressive texturing across the magazine body gives you a solid, positive grip even in a magazine reload or when inserting it into your firearm.
Drum magazines demand more precision in feeding and spring geometry than traditional straight magazines, which is why component selection and build quality separate the dependable options from the problematic ones. This Promag design prioritizes reliable feeding across the chamber count—from the first round to the thirtieth—so you can focus on what matters: your marksmanship and trigger control.
| Caliber | 9mm |
| Capacity | 30 rounds |
| Magazine Type | Drum |
| Body Material | DuPont Zytel polymer |
| Feed Tower Material | Carbon steel |
| Internal Spring Material | Heat-treated stainless steel |
| Follower Material | Injection-molded polymer |
| Brand | Pro Mag |
The Promag SHDW System CR920 is designed for 9mm platforms. Verify your specific firearm's magazine compatibility before purchase, as drum magazine fit can vary depending on magazine well dimensions and feed system design.
This magazine is built with durable materials—carbon steel feed tower, heat-treated stainless spring, and quality polymer construction—designed to handle consistent feeding across all 30 rounds. It's suitable for regular range use where extended capacity is beneficial.
Promag backs this magazine with a lifetime warranty, providing confidence in the product's durability and construction quality.


SKU: 121688734 • Width: 5.5in • Height: 3in • Depth: 13.5in • Weight: 1.44oz





Availability: In Stock
The Promag SHDW System CR920 9mm 30-round drum magazine brings serious capacity to your 9mm pistol platform without the bulk of traditional box magazines. Built for shooters who want reliable high-volume feeding at the range, in competition, or for home defense, this drum magazine combines proven polymer engineering with steel components where it counts. Whether you're running drills, testing your accuracy on steel, or simply maximizing trigger time between reloads, 30 rounds in a single magazine cuts down your reload cycles and keeps you focused on your shot.
Construction matters in a drum magazine, and Promag backs this one with durable materials. The body uses DuPont Zytel polymer—the same engineering-grade plastic you'll find in quality industrial applications—while the feed tower is machined from carbon steel. Inside, a heat-treated stainless steel spring handles the heavy lifting of pushing rounds forward as you fire. An injection-molded polymer follower rides the spring, and aggressive texturing across the magazine body gives you a solid, positive grip even in a magazine reload or when inserting it into your firearm.
Drum magazines demand more precision in feeding and spring geometry than traditional straight magazines, which is why component selection and build quality separate the dependable options from the problematic ones. This Promag design prioritizes reliable feeding across the chamber count—from the first round to the thirtieth—so you can focus on what matters: your marksmanship and trigger control.
| Caliber | 9mm |
| Capacity | 30 rounds |
| Magazine Type | Drum |
| Body Material | DuPont Zytel polymer |
| Feed Tower Material | Carbon steel |
| Internal Spring Material | Heat-treated stainless steel |
| Follower Material | Injection-molded polymer |
| Brand | Pro Mag |
The Promag SHDW System CR920 is designed for 9mm platforms. Verify your specific firearm's magazine compatibility before purchase, as drum magazine fit can vary depending on magazine well dimensions and feed system design.
This magazine is built with durable materials—carbon steel feed tower, heat-treated stainless spring, and quality polymer construction—designed to handle consistent feeding across all 30 rounds. It's suitable for regular range use where extended capacity is beneficial.
Promag backs this magazine with a lifetime warranty, providing confidence in the product's durability and construction quality.
SKU: 121688734 • Width: 5.5in • Height: 3in • Depth: 13.5in • Weight: 1.44oz

