Magpul PMAG 5 AC L Magazine - AICS Long Action Magnum, 5-Round Polymer, Black

The Magpul PMAG 5 AC L is a purpose-built polymer magazine for bolt-action rifles chambered in .300 Winchester Magnum and related cartridges. If you're running long-action AICS-spec bottom metal—including Magpul's Hunter 700L Stock with its Bolt Action Magazine Well—this is the reliable, lightweight magazine purpose-built for your setup. Built on Magpul's proven GEN M3 platform, the PMAG 5 AC L combines durability with the economical simplicity of a single-stack design, giving you a magazine that handles the power and length demands of magnum rifle rounds without unnecessary complexity.

Long-range and magnum-caliber hunting demands a magazine you can trust. The PMAG 5 AC L uses impact and crush-resistant polymer construction paired with a stainless steel spring and flared floorplate, so it survives the field—pack-in, pack-out, season after season. The magazine accepts cartridges with an overall length up to 3.50 inches, accommodating the typical dimensions of magnum ammunition. Its five-round capacity is inherent to the cartridge and platform; this isn't a compromise, it's matched to how serious bolt-action magnum rifles function.

Whether you're building a hunting rifle or upgrading an existing platform, the PMAG 5 AC L fills the gap between generic magazines and real performance. It's the kind of detail—a magazine as thoughtfully engineered as your action—that separates a rifle you tolerate from one you trust in the field.

Key Features

• 5-round capacity optimized for .300 Winchester Magnum and related long-magnum cartridges
• Compatible with long-action AICS-spec bottom metal, including the Magpul Hunter 700L Stock
• GEN M3 impact and crush-resistant polymer construction
• Stainless steel spring and flared floorplate for proven field durability
• Accepts cartridges with overall length up to 3.50 inches
• Single-stack design for reliable, straightforward feeding
• Lightweight and economical

Specifications

Frequently Asked Questions

Will this magazine work with my AICS-pattern rifle?

Yes, the PMAG 5 AC L is designed for long-action AICS-spec bottom metal. This includes Magpul's Hunter 700L Stock and its Bolt Action Magazine Well, as well as other AICS-compatible long-action chassis and bottom metal from other manufacturers that follow the AICS standard.

What cartridges does the PMAG 5 AC L feed?

This magazine is built for .300 Winchester Magnum and related cartridges in that family. It accepts ammunition with an overall cartridge length up to 3.50 inches.

Why is the capacity only 5 rounds?

The five-round capacity is optimized for the length and power of magnum cartridges. It's matched to how long-action magnum rifles function and is not a limitation of the magazine design but a practical pairing with the cartridge dimensions.

What makes the GEN M3 polymer different?

Magpul's GEN M3 platform uses advanced impact and crush-resistant polymer combined with proven manufacturing processes. In field use, this means the magazine is durable, reliable, and built to withstand the demands of hunting and regular use without failure.