Description
If you've got a Howa 1500 or Weatherby Vanguard chambered in 22-250 Remington and you're tired of slow top-loading, this is the upgrade you've been wanting. The Howa ATIK5R250 lets you swap from a fixed internal magazine to a detachable box magazine system without any gunsmithing.
What Makes This Kit So Practical
This is a true drop-in conversion. You get one 5-round polymer magazine and a replacement trigger guard assembly that bolts right into your existing receiver holes. The whole swap takes a few minutes at home with basic tools, and detailed instructions come in the box. People routinely have this installed and function-tested at the range in under five minutes. There's no permanent modification to your rifle, either, so if you ever wanted to go back to the factory setup, you could.
Real-World Performance and Compatibility
The magazine itself holds 5 rounds and feeds reliably through the 22-250 short action. Users consistently report smooth cycling and no feeding issues out of the box. The polymer construction keeps things light and it won't rust in bad weather. Beyond Howa 1500 rifles, this kit also fits Weatherby Vanguard short actions, Mossberg 1500, Smith & Wesson 1500, and Interarms 1500 models, all chambered in 22-250. That versatility means if you're thinking about this for a friend's rifle or trading guns later, you'll have options.
The Ammo Boost system (Howa's name for this platform) is specifically engineered for short-action rifles in varmint and precision rifle calibers. The trigger guard is made from the same durable polymer as the magazine, which some folks initially question until they see how well it holds up. The material choice actually saves weight compared to the original steel setup.
Key Specifications
- Manufacturer: Howa
- Manufacturer Part Number: ATIK5R250
- UPC: 682146420425
- Caliber: .22-250 Remington
- Magazine Capacity: 5 Rounds
- Magazine Material: Polymer
- Finish: Black
- Rifle Model Compatibility: Howa 1500, Weatherby Vanguard, Mossberg 1500, Smith & Wesson 1500, Interarms 1500
- Action Type: Short Action
- Package Weight: 0.3 lbs
- Magazine Length: 11.7 inches
- Installation Type: Drop-In
What’s Included
- One 5-round polymer detachable magazine
- Conversion trigger guard and floorplate assembly
- Installation instructions
Frequently Asked Questions
Will this kit work with my Weatherby Vanguard?
Yes. The ATIK5R250 is designed for Howa 1500 rifles but also fits Weatherby Vanguard short-action rifles in 22-250 Remington, as well as Mossberg 1500, Smith & Wesson 1500, and Interarms 1500 models. Just make sure your rifle is a short-action model in 22-250.
How difficult is the installation?
It's genuinely straightforward. The kit is drop-in ready, meaning it uses your existing receiver screw holes with no modifications needed. Most people have it installed and running in 4-5 minutes. You get detailed instructions in the box and only need basic hand tools.
Can I still use my rifle's original magazine system if I change my mind?
Yes. This conversion doesn't permanently alter your receiver, so you can swap back to the factory fixed magazine if needed. Just keep the original trigger guard and floorplate for safekeeping.
Are replacement magazines available separately?
Yes. Howa makes replacement 5-round and 10-round magazines for this system. You can purchase extra magazines to have loaded and ready at the range or in the field.





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