Description
When it comes to replacement magazines, there's a real case for sticking with the factory option — and the Kahr K820 is exactly that. This is a genuine OEM magazine made by Kahr Arms to the same specifications and tolerances as the magazine that came in the box with your pistol. No guessing about fit, no aftermarket quirks to work around.
The body is constructed from corrosion-resistant 400 series stainless steel, heat-treated to 50 Rockwell hardness for long-term durability. The feed lips are precision-machined to deliver consistent, snag-free feeding, and the high-tensile steel spring pairs with an anti-tilt polymer follower to keep rounds moving reliably through the stack. Side-facing witness holes let you do a quick round count at a glance without fumbling around.
The flush-fit polymer floor plate keeps the profile clean and low-profile, which matters especially on the compact and subcompact Kahr frames where printing is always a concern. Kahr's slim, single-stack 9mm pistols are popular carry guns for good reason, and having a spare mag on hand — whether you're heading to the range or rotating carry mags — is just smart practice.
This magazine fits a wide range of Kahr 9mm models including the CW9, K9, P9, S9, E9, MK9, CM9, and PM9. It does not fit the T9, TP9, ST9, or CT9. Sold as a single magazine.
Key Specifications
- Manufacturer: Kahr Arms
- MPN: K820
- UPC: 602686040129
- Caliber: 9mm Luger
- Capacity: 7 Rounds
- Body Material: 400 Series Stainless Steel
- Finish: Natural Stainless
- Follower: Anti-Tilt Polymer
- Spring: High-Tensile Steel
- Base Plate: Removable Polymer, Flush-Fit
- Feed Lips: Precision-Machined
- Type: Detachable Box Magazine
- Compatible Models: CW9, K9, P9, S9, E9, MK9, CM9, PM9
- Not Compatible With: T9, TP9, ST9, CT9
- Quantity: 1
What’s Included
- 1x Kahr Arms K820 9mm 7-Round Stainless Steel Magazine
Frequently Asked Questions
Which Kahr pistols does the K820 magazine fit?
The K820 is compatible with most Kahr 9mm pistols, including the CW9, K9, P9, S9, E9, MK9, CM9, and PM9. It does not fit the T9, TP9, ST9, or CT9 models. If you're unsure about your specific variant, check the model designation stamped on the frame or slide.
Is this a factory Kahr magazine or an aftermarket product?
This is a genuine OEM magazine made by Kahr Arms, not an aftermarket reproduction. It's built to the same specifications and materials as the magazine that originally ships with your pistol. That means you're getting the same fit, feed geometry, and reliability Kahr engineered for these guns.
The magazine spring feels very stiff when new — is that normal?
Yes, a tight spring on a brand-new magazine is completely normal and actually a good sign that the spring tension is where it should be. New magazines can be a bit firm to load to full capacity at first. With regular use and a few range sessions, the spring will break in and loading becomes noticeably easier.
Will this magazine work for concealed carry or is it better suited for range use?
The K820 works great for both. The flush-fit polymer floor plate keeps the profile clean and low-profile, which is a real advantage for carry on the compact Kahr frames. Stocking at least one or two spares is standard practice whether you're rotating carry mags or just keeping backups in your range bag.
How many rounds does this magazine hold?
The K820 holds 7 rounds of 9mm Luger. Kahr also offers 6-round magazines for the smaller subcompact frames as well as extended 8 and 10-round options if you want more capacity for range use.
Can I disassemble this magazine for cleaning?
Yes. The polymer floor plate is removable without tools, which makes field stripping the magazine for cleaning and inspection straightforward. Regular maintenance — especially after range use or extended carry — helps keep the spring and follower in good shape over the long haul.






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