Description
If you've ever run through a stack of 10-round mags at the range and wished you could just settle in and shoot, this drum is the fix. The ProMag REMA3 bumps your Remington 597 up to 55 rounds of .22 LR, so you spend more time punching paper or knocking down cans and less time thumbing rounds into stick mags. It drops right into the factory magazine well and locks in just like your original 597 magazine, no permanent mods needed.
Inside the REMA3 Drum Magazine
The body is molded from tough polycarbonate designed to hold up to repeated loading and unloading without cracking or warping. Behind that smoke-tinted shell is a mag spring formed from chrome-silicone wire paired with an injection-molded follower, a combination ProMag uses across their drum line because it holds tension well over thousands of cycles. The translucent finish also lets you get a rough visual on how much ammo you've got left without popping the drum to check.
Loading the ProMag 597 Drum
Instead of stacking rounds under spring pressure by hand, this drum uses an integral loading lever and tensioner built into the housing. You turn the wheel, drop a round into the feed tower, and let it release, one at a time, until you hit 55. It sounds slower than a stick mag at first but once you get the rhythm down it goes quick, and it takes a lot of the thumb strain out of topping off a high-capacity magazine.
Built for the Long Haul
Every REMA3 drum is manufactured in the USA and backed by ProMag's lifetime warranty against manufacturer defects, so if something's off with the magazine itself, they'll stand behind it. For plinkers, small game hunters, or anyone who just likes fewer reloads during a range session, this drum is a straightforward way to add capacity to a rifle that's already a favorite for casual shooting.
Key Specifications
- Manufacturer: ProMag Industries
- Model Number / MPN: REMA3
- UPC: 708279014260
- Fits: Remington 597
- Caliber: .22 LR
- Capacity: 55 Rounds
- Body Material: Polycarbonate
- Follower: Injection-molded polymer
- Spring: Chrome-silicone wire
- Finish/Color: Translucent Smoke
- Loading System: Integral loading lever/tensioner
- Round Counter: Internal round counter window
- Warranty: Lifetime warranty against manufacturer's defects
- Country of Origin: Made in USA
What’s Included
- 1 x ProMag REMA3 55-round .22 LR drum magazine
Frequently Asked Questions
Does the ProMag REMA3 drum fit any Remington 597, or specific models only?
This drum is built for the standard Remington 597 platform chambered in .22 LR and drops into the factory magazine well. It's designed to work with the 597 as it comes from the factory, so if your rifle has an aftermarket chassis or stock conversion, it's worth double checking magazine well dimensions before buying.
How do you load 55 rounds into this drum magazine?
The REMA3 uses a built-in loading lever and tensioner instead of stacking rounds by hand. You turn the wheel to lower the follower, drop in one round at a time through the feed tower, and repeat until you're topped off at 55. Loading one round at a time keeps each cartridge seated at the right angle for reliable feeding.
What's the smoke polymer finish about, is it just for looks?
The translucent smoke color is part function, part style. It lets you get a general idea of your remaining round count by looking through the housing, on top of the internal round counter built into the drum.
What kind of warranty comes with the ProMag REMA3?
ProMag backs this drum magazine with a lifetime warranty against manufacturer's defects, standard across their magazine lineup. If the magazine itself has a manufacturing flaw, ProMag will repair or replace it.





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