The Strike Industries Modular Magazine Release for the Sig Sauer P320 (Strike Industries part no. SI-P320-MMR) lets shooters attach different-sized extensions to the magazine release for improved reach and ergonomics. Its main advantage over other extended magazine releases is the ability to quickly swap extensions to match the shooter’s hand size and preference, without disassembling the entire release assembly. That modularity makes it easy to fine-tune magazine release reach across multiple shooters sharing the same pistol, or to dial in a personal setup without committing to a single fixed-length extension.

Key Specifications

• Built specifically for the Sig Sauer P320 fire-control unit.
• Accepts swappable extensions to adjust reach without full disassembly.
• Designed to improve ergonomics and reach over the factory magazine release.
• Manufactured by Strike Industries as part of its Sig P320 parts lineup.
• Sold as a Modular Magazine Release product type distinct from a fixed-length extended release.

Frequently Asked Questions

Can I change the extension size without disassembling the release? Yes, that’s the main advantage of the modular design — extensions swap without disassembling the entire assembly.

What pistol is this release built for? It’s built specifically for the Sig Sauer P320.

Buy the Strike Industries Modular Magazine Release

Dial in your P320’s magazine release reach without a full teardown. Order it from our Strike Industries lineup of small handgun parts, shipped fast from our Lubbock, Texas gun shop.