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The ATI Detachable Magazine Conversion for Howa Long A is engineered to transform compatible Howa M1500 and Weatherby Vanguard long action rifles from an internal box magazine configuration to a detachable magazine system. Designed for target shooters, varmint hunters, and firearm enthusiasts seeking faster reloads and enhanced magazine management, this conversion kit offers practical improvements for field and range use. The system is ideal for those looking to upgrade their rifle’s functionality without permanent modifications to most synthetic stocks.
Product Overview
This magazine conversion kit from ATI replaces the factory-installed hinged floorplate and trigger guard assembly with a robust polymer bottom metal, integrating a magazine release lever for quick magazine changes. Constructed from high-strength polymer, the system is lightweight and corrosion-resistant, providing reliable performance in demanding outdoor conditions. The conversion is compatible with ATI’s proprietary 5- or 10-round polymer detachable magazines (sold separately), supporting extended shooting sessions and efficient ammunition management. Installation is straightforward on most injection-molded stocks, while wood stocks may require minor fitting or modification for proper alignment and secure fit.
Technical Specifications
Feature
Specification
Manufacturer
ATI
Model
ATI Detachable Magazine Conversion for Howa Long Action
Compatibility
Howa M1500 and Weatherby Vanguard Long Action Rifles
Material
High-strength polymer
Magazine Type Supported
ATI 5-round or 10-round detachable polymer magazines (not included)
Installation Requirements
Drop-in for most injection-molded and wooden stocks
Finish
Matte black polymer
Weight
Lightweight (exact weight varies by stock and configuration)
Magazine Release
Integrated lever in trigger guard assembly
Intended Use
Target shooting, varmint hunting, field applications
Country of Manufacture
USA
Further Product Details
The ATI Detachable Magazine Conversion is particularly valued by shooters who require rapid magazine changes, such as during competition or when engaging multiple targets in the field. The kit includes the bottom metal assembly with integrated magazine release, but does not include the detachable magazines themselves, which must be sourced separately. This conversion is designed for long action variants of the Howa M1500 and Weatherby Vanguard platforms; it is not compatible with short action models or other rifle makes. Users should verify their rifle’s action length before purchase to ensure compatibility.
Installation is generally straightforward for rifles with injection-molded synthetic stocks, requiring only basic hand tools and no permanent modifications. For wood-stocked rifles, minor inletting or fitting may be necessary to achieve correct alignment and secure operation. Routine maintenance involves periodic cleaning of the magazine well and release mechanism to ensure reliable feeding and function. As with all firearm modifications, users should consult local regulations regarding magazine capacity and detachable magazine conversions, especially in regions with specific firearm laws such as South Africa. ATI provides a manufacturer’s warranty against defects in materials and workmanship, reinforcing the product’s reliability for demanding applications.
