Warne +0 Magazine Extension for Smith & Wesson M&P 9mm Luger - Black
- Firearm Make Fit:
- Smith & Wesson
The Warne +0 Magazine Extension for Smith & Wesson M&P 9mm Luger is a straightforward, honest upgrade for shooters who want better grip purchase and control on their duty or carry magazines. Built from 6061 T6 aluminum billet and finished in Type 2 hardcoat anodized black, this extension adds a finger groove at the base—a simple ergonomic feature that makes a real difference when you're drawing, reloading, or just maintaining positive control during rapid fire or competition shooting. It's the kind of gear that doesn't need hype; it just works.
Warne engineered this extension with retention hardware that matters: a Torx head screw and washer system that holds tight and won't rattle loose in your gear bag or range kit. The billet construction and anodize process mean this piece will outlast the magazines themselves, handling the wear and tear of regular use without showing it.
If you run an M&P 9mm and find yourself fumbling for a fresh magazine under stress, or if you simply want a more confident grip on your reloads, this extension delivers solid, no-nonsense utility. It's the kind of practical upgrade that competitive shooters and working professionals keep in their kits because it genuinely improves performance.
Key Features
- Finger groove design for more secure, confident magazine grip
- 6061 T6 aluminum billet construction for durability and long service life
- Type 2 hardcoat anodized black finish resists wear and corrosion
- Secure Torx head screw and washer retention system
Specifications
| Brand | Warne Scope Mounts |
| Compatibility | Smith & Wesson M&P 9mm Luger |
| Material | 6061 T6 Aluminum Billet |
| Finish | Type 2 Hardcoat Anodized Black |
| Fastener | Torx Head Screw with Washer |
Frequently Asked Questions
Will this fit my Smith & Wesson M&P 9mm?
Yes—this extension is designed specifically for M&P 9mm Luger magazines. Verify your magazine model before ordering to ensure compatibility.
What's the finger groove for?
The integrated finger groove at the base of the extension gives you a more secure purchase when gripping the magazine, making it easier to insert, draw, and control during reloads or tactical drills.
Will the screw come loose?
The Torx head screw with washer retention is engineered to hold securely. Proper installation and periodic checks will keep it tight through regular use.
What finish does it come in?
The extension is finished in Type 2 hardcoat anodized black, which provides durable protection against corrosion and wear.

