The Ed Brown Flat Wire Recoil Spring System (Ed Brown part no. 889-FW-45C) is a complete recoil spring and guide rod assembly built for Commander-frame 1911 pistols in 45 ACP, rated at 18 pounds.

Key Specifications

• Built for Commander-frame 1911 pistols.
• Chambering: 45 ACP.
• Rated at 18 lb spring weight.
• Uses flat wire spring construction rather than round wire.
• Sold as the complete system — spring and guide rod together, not the spring alone.
• Classified as a firearm part/accessory, not a regulated firearm itself — no FFL transfer required to purchase.

Frequently Asked Questions

What does ‘flat wire’ mean for a recoil spring? Flat wire recoil springs use a flattened wire cross-section rather than round wire, which Ed Brown and other 1911 spring makers use to pack more coil travel into the same length for a more consistent recoil curve.

What 1911 frame and caliber is this system built for? This recoil spring system is built for the Commander frame in 45 ACP.

Does this include the guide rod? Yes, this is sold as a complete system with both the recoil spring and guide rod.

Buy the Ed Brown 1911 Commander 45 ACP 18# Flat Wire Recoil Spring System

Order the Ed Brown 1911 Commander 45 ACP 18# Flat Wire Recoil Spring System today for fast, insured shipping from a Lubbock, TX gun shop. Browse more Ed Brown parts in our Handgun Parts category.