PROMAG RUGER SECURITY 9 MAGAZINE - 9MM - 10 ROUND CAPACITY - 50 ROUND BODY - POLYMER - BLACK

ProMag Industries
MPN:
DRM-A98
UPC:
708279016141
$100.69 - $110.69
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The ProMag Ruger Security-9 10/50 Drum Magazine delivers high-capacity performance in a California-compliant 10-round configuration, giving Security-9 owners a fun and functional range companion built to last.

  • California-compliant 10-round capacity housed in a 50-round drum body
  • Fits the Ruger Security-9 chambered in 9mm Luger
  • Drum body constructed from proprietary DuPont Zytel-based polymer for durability
  • Blue steel upper magazine tower ensures reliable feeding and alignment
  • Precision-wound heat-treated stainless steel spring for consistent feed pressure
  • Made in the U.S.A. and backed by ProMag's lifetime manufacturer's guarantee

Who This Is For

This drum magazine is ideal for Ruger Security-9 owners in California and other restricted states who want the bold look and feel of a high-capacity drum while staying fully compliant with local magazine laws. It's a great pick for range shooters who enjoy the aesthetics and ergonomics of a drum-style magazine without sacrificing legal standing.

ProMag Ruger Security-9 10-Round 50-Round Body Drum Magazine in black polymer

Specifications

BrandProMag Industries
Compatible FirearmRuger Security-9
Caliber9mm Luger
Capacity10 Rounds (CA Compliant)
Drum Body Capacity50-Round Body
Body MaterialDuPont Zytel-Based Polymer
Upper Tower MaterialBlue Steel
Spring MaterialHeat-Treated Stainless Steel
ColorBlack
Country of OriginUSA
WarrantyLifetime Manufacturer's Guarantee

Frequently Asked Questions

Will this drum magazine fit my Ruger Security-9 without any modifications?

Yes. This ProMag drum magazine is specifically designed to fit the Ruger Security-9 chambered in 9mm and drops in using the pistol's standard magazine well — no modifications required. It feeds from a blue steel upper tower that interfaces directly with the Security-9's feed ramp for reliable operation.

Why does a 50-round drum body only hold 10 rounds?

This magazine is configured for California compliance and other jurisdictions that restrict magazine capacity to 10 rounds. The drum uses the full 50-round body but is blocked and pinned to hold only 10 rounds of 9mm ammunition, making it legal for sale and use in restricted states while retaining the drum's distinctive profile.

How reliable is the ProMag drum magazine for range use?

ProMag drums are manufactured in the USA with precision-wound, heat-treated chrome silicon springs and injection-molded followers to promote consistent feeding. Every magazine undergoes quality checks during assembly, and the entire lineup is backed by a lifetime guarantee against manufacturer defects — making them a dependable choice for regular range sessions.

Caliber:
9MM
Capacity:
10/50 Round
Color:
Black
Follower Color:
Black
Type:
Pistol Magazine
CA Compliant:
Yes
Platform:
Security 9
Material:
Polymer