Description
The Ammo Boost conversion kit lets you upgrade your short action rifle from a fixed magazine to fast-swapping detachable magazines. Built for Howa M-1500 SA bolt action rifles, this kit also fits Weatherby Vanguard SA rifles produced by Howa, plus earlier model Howa 1500 variants that were previously distributed under other brand names like Smith & Wesson, Mossberg, and Interarms.
What's in the Ammo Boost Magazine Kit
This complete package includes a polymer drop magazine, a new floor plate assembly that replaces your factory triggerguard and floorplate, and full installation instructions. The polymer construction keeps everything lightweight while maintaining durability for field use. Installation is straightforward and can be done at home without special gunsmithing skills.
Switching to Detachable Magazines
If you've been hunting or shooting matches with a scoped rifle and found it awkward to reload your factory magazine without removing your scope, this kit solves that problem. The 10 round detachable magazine system lets you swap magazines quickly and easily. For hunters and competitive shooters, that speed and convenience makes a real difference during long days in the field or on the range.
Installation and Compatibility
The kit is designed as a drop-in conversion that doesn't require permanent modifications to your rifle. It's short action only, so it works specifically with SA calibers like .223 Remington and .204 Ruger. Complete instructions walk you through the simple installation process, and you'll be ready to load and shoot once the bottom metal assembly is in place.
Key Specifications
- Manufacturer: Legacy Sports International
- Manufacturer Part Number: ATIK10R223
- UPC: 682146420449
- Caliber: .223 Remington / .204 Ruger
- Magazine Capacity: 10 Rounds
- Action Type: Short Action
- Material: Reinforced Injection-Molded Polymer
- Compatible Rifles: Howa M-1500 SA, Weatherby Vanguard SA (Howa-made), S&W 1500, Mossberg 1500, Interarms 1500
- Finish: Black
- Installation: Drop-In Conversion
What’s Included
- One 10 round detachable polymer magazine
- Drop-in floor plate assembly with integrated trigger guard
- Complete installation instructions
Frequently Asked Questions
Is this a drop-in conversion that requires gunsmithing?
No, the Ammo Boost kit is designed as a true drop-in conversion. You simply remove your factory floor plate and trigger guard assembly, then install the new bottom metal assembly included in the kit. The installation process can be completed at home with basic tools and takes just a few minutes once you follow the included instructions.
Will this magazine conversion kit work with older Howa 1500 rifles imported under different brand names?
Yes, this kit is designed to work with all Howa M-1500 short action rifles, including earlier models that were previously distributed by Smith & Wesson, Mossberg, and Interarms. It will also convert Weatherby Vanguard short action rifles that were manufactured by Howa. If you're unsure about your specific rifle variant, the model and caliber combination should match the short action criteria.
Can I order additional magazines separately to go with this kit?
Yes, the 10 round polymer magazine included in the kit can be paired with additional magazines of the same type. Once you have the floor plate assembly installed, you can use any compatible 10 round Ammo Boost magazines for that caliber, allowing you to keep spare loaded magazines on hand or swap between them quickly.
What's the advantage of switching from a fixed magazine to detachable magazines?
Detachable magazines offer several practical benefits. You can reload much faster during shooting sessions, and if you shoot with a scoped rifle, you avoid the awkwardness of trying to load rounds into a fixed magazine with your scope in the way. For hunters, quick magazine swaps mean less time fumbling and more time ready to shoot when an opportunity presents itself.




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