Promag drma12 standard 50rd drum 9mm luger fits ar-15 compatible w- glo…
ProMag DRMA12 50-Round Drum Magazine, 9mm, AR-15 Glock-Style Compatible
So you want real extended capacity for your 9mm PCC without paying KRISS money. This drum gets you there. The ProMag DRMA12, a 50-round drum magazine built for 9mm AR-15 carbines that run Glock-style magazines. DuPont Zytel polymer body, heat-treated stainless steel spring, made in the USA.
This Promag drma12 standard 50rd drum 9mm luger fits ar-15 compatible w- glo… is a dedicated PCC drum, not a Glock pistol magazine. First, the upper tower uses a full-length steel internal insert for reliable feed geometry, matching the footprint of standard Glock-pattern magazines. Next, the spring is chrome silicon wire, precision wound and heat-treated for consistent tension across all 50 rounds. Finally, ProMag backs this with a lifetime guarantee against manufacturer defects, not just a 90-day warranty.
Will this Promag drma12 standard 50rd drum 9mm luger fits ar-15 compatible w- glo… fit my 9mm AR-15?
Yes, if your 9mm AR-15 or PCC accepts Glock-style magazines. So platforms like the CMMG Banshee, CMMG Guard, TNW Aero Survival, and any other 9mm AR built around a Glock-pattern magazine well will run this drum. However, this drum does NOT fit standard AR-15 lowers chambered in 5.56 or .223. Therefore, confirm your specific lower is set up for Glock-style 9mm magazines before ordering.
Will this Promag drma12 standard 50rd drum 9mm luger fits ar-15 compatible w- glo… fit in a Glock pistol?
No. So this is one of the most common questions about this drum. The DRMA12 is designed for Glock-style magazine wells in AR-15 pattern carbines, not for direct insertion into a Glock handgun. Also, ProMag explicitly states this product is not designed or compatible for use in Glock pistols. Therefore, if you want a high-capacity pistol magazine for your Glock, this isn’t the right product.
What’s the drum body actually made from?
Promag drma12 standard 50rd drum 9mm luger fits ar-15 compatible w- glo… DuPont Zytel-based polymer, a real engineering-grade material. So Zytel isn’t generic plastic — it’s a nylon-based polymer used in demanding applications where standard polymer would crack or deform. Also, the upper tower of this drum includes a full-length steel internal insert, keeping feed geometry consistent from the drum body into your magazine well. Therefore, this drum’s construction is a step above basic injection-molded ABS polymer magazines.
Is 50 rounds a practical capacity for range use?
Promag drma12 standard 50rd drum 9mm luger fits ar-15 compatible w- glo… Very practical, especially for training drills. So 50 rounds lets you run extended strings of fire, work on transitions, and reduce time spent reloading at the range. Also, this capacity is ideal for any PCC-based competition where high round counts between reloads matter. Therefore, a drum like this is a practical range tool, not just a novelty item.
Are there states where I can’t buy this Promag drma12 standard 50rd drum 9mm luger fits ar-15 compatible w- glo… ?
Yes — several. So this Promag drma12 standard 50rd drum 9mm luger fits ar-15 compatible w- glo… is restricted in California, Colorado, Connecticut, Delaware, Hawaii, Illinois, Massachusetts, Maryland, New Jersey, New York, Rhode Island, Vermont, and Washington. Therefore, verify your state and local capacity laws before ordering, since high-capacity magazine restrictions vary and carry real legal consequences.
Specs Table
| Spec | Detail |
|---|---|
| Part Number | DRMA12 |
| Caliber | 9mm Luger |
| Capacity | 50 Rounds |
| Compatibility | 9mm AR-15 / PCC using Glock-style magazines (NOT for Glock pistols) |
| Body Material | DuPont Zytel-based polymer |
| Tower Insert | Full-length steel internal insert |
| Spring | Chrome silicon wire, heat-treated stainless steel |
| Follower | Injection molded |
| Color | Black |
| Dimensions | 3.15 x 6.70 x 14.65 inches |
| Origin | Made in USA |
| Warranty | Lifetime guarantee against manufacturer defects |
| State Restrictions | CA, CO, CT, DE, HI, IL, MA, MD, NJ, NY, RI, VT, WA — verify local laws |
| Best For | 9mm PCC range use, competition, extended training drills |
| Weight | verify |
| Price | $80 |
FAQ
Will this drum work in my Glock pistol? No. This drum is designed for 9mm AR-15 carbines with Glock-style magazine wells only. It is not compatible with Glock handguns.
What AR-15 platforms accept this drum? Any 9mm AR-15 or PCC that runs Glock-style magazines. Confirmed platforms include CMMG Banshee, CMMG Guard, TNW Aero Survival Rifle, and similar Glock-mag-compatible builds.
What material is the drum made from? DuPont Zytel-based polymer with a full-length steel internal tower insert and a chrome silicon heat-treated spring.
How many rounds does this drum hold? 50 rounds of 9mm Luger.
Is this drum legal in my state? Restricted in CA, CO, CT, DE, HI, IL, MA, MD, NJ, NY, RI, VT, and WA. Always verify your local and state laws before ordering.
Does ProMag offer a warranty on this drum? Yes. ProMag backs it with a lifetime guarantee against manufacturer defects.
Does this fit the CMMG Banshee? Yes, if your Banshee is set up for Glock -style 9mm magazines.
Find more ProMag drums and 9mm PCC magazines at gunpartspalace.com.








