The Wilson Combat Bullet Proof 1-Piece 1911 Government Commander Mainspring Housing Magazine Well is a precision-machined steel upgrade designed for shooters building or refining a Government- or Commander-sized 1911 frame. Built from hardened tool steel and CNC machined to tight tolerances, this one-piece magwell combines the mainspring housing and magazine well into a single unit that drops into most standard 1911 frames without requiring extensive fitting. The 30 LPI checkering comes pre-applied and matches the finish on most custom 1911 builds, giving your gun a professional, integrated look while providing a secure grip where it matters most.

A one-piece magwell saves you the hassle of fitting separate components and gives you a cleaner, more durable result than piecing together aftermarket parts. The flat-mainspring housing design works with the vast majority of 1911 Government and Commander frames. If your pistol has a rounded butt, you'll need to do some fitting and contouring to get it to sit flush—but that's a known variable with any magwell upgrade on a gun with non-standard geometry. Available in both blued and stainless-steel finishes, it adapts to your build aesthetic without compromise.

Wilson Combat offers different grip shapes and checkering options if you want to customize the look beyond the standard 30 LPI configuration. This is one of the core upgrades serious 1911 builders rely on when they want a magwell that fits right, looks right, and lasts.

Key Features

• One-piece hardened tool steel construction for durability and minimal maintenance
• CNC machined to exacting tolerances for consistent fit on Government and Commander frames
• Pre-applied 30 LPI checkering matches most custom 1911 builds
• Combines mainspring housing and magazine well into a single component
• Available in blued and stainless-steel finishes
• Integrates cleanly without requiring extensive frame modifications on standard 1911s

Specifications

Brand	Wilson Combat
Product Type	1911 Mainspring Housing & Magazine Well
Material	Hardened tool steel
Construction	CNC machined, one-piece
Checkering	30 LPI
Compatibility	Government and Commander-sized 1911 frames
Finish Options	Blued, stainless steel

Frequently Asked Questions

Will this magwell fit my 1911?

The Bullet Proof magwell is designed for Government- and Commander-sized 1911 frames built to standard specifications. If your frame has a standard flat butt, it should fit without modification. If your 1911 has a rounded butt, you'll need to do some fitting and contouring to get a proper fit.

What finishes are available?

This magwell is available in both blued and stainless-steel finishes. Choose based on your frame finish and overall build aesthetic.

Does the 30 LPI checkering work with my custom gun?

The 30 LPI checkering is designed to match most custom 1911 builds on the market. If you need a different checkering pattern or grip shape, Wilson Combat offers additional options—contact us for details on custom configurations.

Is this a drop-in part, or will I need a gunsmith?

For most standard 1911 Government and Commander frames, the Bullet Proof magwell fits without extensive modification. However, if your frame has non-standard geometry (such as a rounded butt), fitting and contouring may be required. When in doubt, consult a qualified 1911 gunsmith.