This Legacy Sports International floorplate/trigger guard (mfr. part no. ATIFPM1500) converts a short-action rifle from a fixed box magazine to Howa’s Ammo Boost Advantage detachable-magazine system. It’s compatible with the Howa 1500, Weatherby Vanguard, Mossberg 1500, S&W 1500, and Interarms 1500 rifles in short-action calibers including .223 Remington, .204 Ruger, .22-250 Remington, 6.5 Creedmoor, .243 Winchester, 7mm-08 Remington, and .308 Winchester.

Key Specifications

• Converts a fixed magazine rifle to Howa’s Ammo Boost Advantage detachable-magazine system.
• Compatible with the Howa 1500, Weatherby Vanguard, Mossberg 1500, S&W 1500, and Interarms 1500 rifles.
• Fits short-action calibers, including .223 Rem, .204 Ruger, .22-250 Rem, 6.5 Creedmoor, .243 Win, 7mm-08 Rem, and .308 Win.
• Constructed of black polymer.
• Functions as a floorplate/trigger guard, not a standalone magazine.
• Manufactured by Legacy Sports International.

Frequently Asked Questions

Does this floorplate come with a magazine?

It’s the trigger guard/floorplate conversion piece; a compatible Ammo Boost detachable magazine is required to complete the conversion.

Which rifles is this compatible with?

The Howa 1500, Weatherby Vanguard, Mossberg 1500, S&W 1500, and Interarms 1500, in short-action calibers.

Buy the Howa Ammo Boost Short Action Floorplate

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