Description
This Triple-K magazine is designed to work with Colt ACE .22 pistols and the Colt .22 Conversion Unit, which lets you practice with the Ace platform at a fraction of the cost of centerfire shooting. The Colt ACE system was first introduced back in 1931 and continues to be popular among people who want the feel of a 1911 with affordable .22 LR ammunition.
The 465M holds 10 rounds of .22 Long Rifle and features all-steel construction with a black finish. It's made in the USA and designed to be a drop-in replacement for original factory magazines. The magazine measures 4.4 inches in length and is straightforward to load and maintain.
Keep in mind that fit can vary from magazine to magazine, so some minor fitting or adjustment of feed lips may be necessary depending on your specific pistol. The slide lock function works correctly, so the slide will lock back on an empty magazine as it should. Having a spare magazine or two is always a smart move for range days or practice sessions, so this is a good option to pick up a backup.
Key Specifications
- Manufacturer: Triple-K
- Manufacturer Part Number: 465M
- UPC: 730745004659
- Caliber: .22 Long Rifle
- Capacity: 10 Rounds
- Material: Steel
- Finish: Black
- Magazine Length: 4.4 inches
- Model: High Power
- Made in: USA
What’s Included
- 1x Triple-K 465M magazine
Frequently Asked Questions
Will this magazine work with my Colt ACE pistol?
This magazine is designed for Colt ACE .22 pistols and the postwar Colt .22 Conversion Unit. It should work with Service Model ACE variants from the 1930s onward. If you have an early pre-war ACE or a Service ACE variant, double-check compatibility first since some older models may have different magazine specifications.
Is this a factory original magazine?
No, this is a reproduction magazine made by Triple-K to replicate the original. It's designed to look and function like the factory magazine, but it's a modern replacement. If you need authentic vintage originals, those are harder to find and more expensive.
Does the slide lock back when the magazine is empty?
Yes, the slide lock function works correctly with this magazine. Once you fire the last round, the slide will lock back in the open position as it should.
What if the magazine doesn't fit my pistol?
Fit can vary slightly between magazines. If the magazine is tight going in or out of the magwell, you may need to adjust the feed lips slightly or do minor fitting. Some people have also reported success by checking that the magazine body and baseplate are properly aligned before inserting.
Can I use this magazine for my 1911 in .45 ACP?
No. This magazine is chambered for .22 Long Rifle only and is sized specifically for the ACE platform. It will not fit or work in a standard 1911 chambered in .45 ACP.





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