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Legacy Sports Ammo Boost .338/7mm 5rd Detachable Mag Kit – Rem 700 LA

UPC: 682146420784

$66.99

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Description

If you've ever fumbled loading rounds through the top of your Remington 700 BDL on a cold morning, this Ammo Boost conversion kit is the fix. Legacy Sports designed it to replace the factory fixed floor plate and trigger guard assembly with a single-piece polymer housing that accepts a detachable box magazine. The result is a cleaner reload, less fuss in the field, and a setup that feels a lot more modern on an older long action rifle.

The kit is built around a tough polymer construction, keeping weight down while standing up to real hunting conditions. It comes with one black 5-round magazine sized specifically for the magnum long action family, which means .338 Winchester Magnum and 7mm Remington Magnum rounds feed the way they should. Those fat magnum cartridges need a mag with the right geometry, and this one is cut for exactly that pair.

Why the Ammo Boost Kit Beats a Fixed Floor Plate

The big draw here is speed and simplicity. Instead of unloading one round at a time or feeding from the top, you pop the magazine and you're done. Hunters running a Rem 700 in heavy magnum calibers tend to appreciate the faster swaps, and sitting in a stand or glassing a ridge, having spare loaded mags ready beats topping off by hand.

Fitment Notes for the Rem 700 LA Conversion

This is a long action kit made for the Remington 700 BDL pattern. It's designed to work without modification on most injection molded polymer stocks, though wood or aftermarket stocks may need minor inletting depending on how they're cut. One thing worth stressing: this magazine is shaped for .338 Win Mag and 7mm Rem Mag case dimensions, so it is not the right pick for standard-length cases like .30-06. If you're running a magnum long action, you're in the right spot.

Simple Drop-In Installation

Most folks have this installed in just a few minutes with basic tools. The one-piece floor plate and trigger guard housing lines up with the existing footprint, so there's no gunsmithing required for the typical setup. Reviewers consistently call it an easy install and a solid upgrade over the old fixed box mag.

Key Specifications

  • Manufacturer: Legacy Sports International
  • Manufacturer Part Number: ATIK5R338REM
  • UPC: 682146420784
  • Fits: Remington 700 BDL Long Action
  • Caliber: .338 Winchester Magnum / 7mm Remington Magnum
  • Magazine Capacity: 5 Rounds
  • Material: Polymer
  • Finish: Black
  • Type: Detachable Magazine Drop-In Conversion Kit
  • Series: Ammo Boost
  • Country of Origin: United States

What’s Included

  • One-piece polymer floor plate and trigger guard housing assembly
  • One 5-round black polymer detachable magazine

Frequently Asked Questions

What rifles does this Ammo Boost kit fit?

It's made for the Remington 700 BDL long action in the magnum family. The one-piece housing replaces the factory fixed floor plate and trigger guard on that pattern. It's designed to work without modification on most injection molded polymer stocks.

Which calibers does the 5-round magazine work with?

The magazine is sized for .338 Winchester Magnum and 7mm Remington Magnum. Those cartridges share the right case geometry for this mag, so both feed reliably. It is not built for standard-length cartridges like .30-06.

Is this hard to install on a Rem 700?

Not at all. Most people have it dropped in within a few minutes using basic tools, since the floor plate and trigger guard housing line up with the existing footprint. For typical polymer factory stocks there's no gunsmithing involved.

How many magazines come in the kit?

The kit includes one black polymer 5-round magazine along with the floor plate and trigger guard housing assembly. If you want backups ready in the field, you can pick up additional mags separately.

Additional information

UPC

682146420784

Manufacturer

Manufacturer Part Number

ATIK5R338REM

Model

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