Boost the firepower of your Sig Sauer P320 with the Agency Arms +5 Magazine Extension. Engineered from high‑grade aluminum and finished with a rugged anodized coating, this extension adds five extra rounds to standard magazines while maintaining a sleek, low‑profile look. The distinctive Olive Drag Green colorway blends seamlessly with tactical gear, and the Sage Dynamics engraving (BP-320‑SAGE) adds a touch of personalized style.

Key Features

• +5 Capacity Upgrade – Increases magazine capacity from 15/17 rounds to 20/22 rounds without compromising reliability.
• Aircraft‑Grade Aluminum Construction – Provides lightweight strength and superior corrosion resistance.
• Anodized Finish – Hard‑coat protection against wear, scratches, and the elements.
• Olive Drag Green – Tactical camouflage color that matches popular firearm accessories.
• Sage Dynamics Engraving (BP‑320‑SAGE) – Custom laser‑etched branding for a professional appearance.
• Easy Installation – Simple snap‑on design fits directly onto factory Sig Sauer P320 magazines.
• Precision Machining – Ensures a perfect fit and smooth feed of ammunition.

Why Choose the Agency Arms +5 Magazine Extension?

When you need more rounds in critical moments, the Agency Arms +5 Magazine Extension delivers reliable performance without the bulk of a full‑size magazine. Its aluminum build offers a perfect balance of durability and weight, while the anodized finish protects against harsh environments. The Olive Drag Green coating provides a low‑visibility profile for tactical use, and the Sage Dynamics engraving gives each extension a unique, professional look.

Compatibility

This extension is specifically engineered for:

• Sig Sauer P320 9mm, .40 S&W, and .45 ACP factory magazines
• Standard 15‑round (9mm/.40) and 17‑round (.45) magazines
• Aftermarket P320 magazines with matching dimensions

Installation Guide

1. Ensure the firearm is unloaded and the magazine is removed.
2. Align the extension’s locking tabs with the magazine’s feed lips.
3. Press firmly until the extension snaps into place.
4. Verify a smooth feed by cycling a few rounds through the extended magazine.

Quality Assurance & Warranty

Every Agency Arms +5 Magazine Extension undergoes a rigorous quality control process, including:

• Dimensional inspection for precise tolerances
• Load testing up to 25 rounds per cycle
• Anodized coating thickness verification
• Engraving clarity check

All units are backed by a limited lifetime warranty against manufacturing defects.

Frequently Asked Questions

Will the extension affect the reliability of my P320?

No. The extension is designed to maintain the original feeding geometry of the P320, ensuring reliable operation in all shooting conditions.

Can I use the extension with aftermarket magazines?

Yes, as long as the magazine follows the standard Sig Sauer P320 dimensions, the extension will fit securely.

Is the anodized finish resistant to saltwater?

Absolutely. The hard anodized coating provides excellent corrosion resistance, making it suitable for marine environments.

Do I need any tools for installation?

No tools are required. The extension features a snap‑on design for quick, tool‑free installation.

Will the extension work with my pistol’s grip or holster?

The low‑profile design ensures compatibility with most standard P320 grips and holsters. However, verify clearance with your specific holster model.

Technical Specifications

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