

Sig Sauer M18 9mm 3.9 In 21 Round Black WM18-9-PRO-BLK-RM17
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Sig Sauer | WM18-9-PRO-BLK-RM17 | MPN: WM18-9-PRO-BLK-RM17 | UPC: 798681695324 | Black | 9MM | Striker Fired | 3.9" Barrel | 21+1 | 7.2" OAL | 30.8 oz
Includes Romeo M17 reflex sight. Siglite front and rear sights.
Specifications:
- Brand: Sig Sauer
- Model: WM18-9-PRO-BLK-RM17
- MPN: WM18-9-PRO-BLK-RM17
- UPC: 798681695324
- Category: Semi Auto Pistols
- Product Type: Firearm
- Caliber: 9MM
- Action Type: Striker Fired
- Barrel Length: 3.9"
- Threaded Barrel: No
- Overall Length: 7.2"
- Weight: 30.8 oz
- Capacity: 21 + 1
- Finish: Black
- Frame Material: Steel
- Grips: Steel Frame; Black Polymer X Grip
- Sights: Siglite Front/Rear
- Front Sight: Siglite Front
- Rear Sight: Siglite Rear
- Included Sight: Romeo M17 reflex sight
- Magazine Type: Three 21-round magazines and one 17-round magazine
- Color: Black
Technical Specifications
| Caliber | 9mm |
|---|---|
| Capacity | 21 |
| Barrel Length | 3.90" |
| Action Type | Striker Fired |
| Finish | Black |
| Overall Length | 7.20" |
| Frame Material | Polymer |
| Sights | Siglite Front/Rear |
| Grips | Polymer X Series |
| Magazine Type | Double Stack Magazine |
| Manufacturer | Sig Sauer |
| Model | WM18-9-PRO-BLK-RM17 |
| SKU | D1341939 |
| UPC | 798681695324 |
| Weight | 30.8 oz |
| Magazines Included | 3 2 - 21 rd. and 1 - 17 rd. |
| Availability | In Stock |
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Shipping & Returns
Ships to your local FFL
This firearm ships to a licensed dealer (FFL) near you for pickup, not to your home. You'll choose your FFL during checkout — and if you don't have one in mind, we'll help you find a nearby dealer. You complete the background check and pick it up there.
Shipping Information
- Orders typically process within 1-2 business days
- Firearms ship via FedEx or UPS with signature required
- Tracking information provided for all orders
- Shipping costs calculated at checkout based on weight and destination
- Total delivery time to FFL: typically 3-5 business days
Return Policy
- Firearms must be returned unfired and in original packaging within 3 days of FFL transfer
- 15% restocking fee applies to all firearm returns
- Contact us for return authorization before shipping items back
- Original shipping costs are non-refundable
Questions?
Contact us at (329) 227-0508 or submit a question for assistance with shipping or returns.
What is MAP Pricing?
MAP stands for Minimum Advertised Price. It's a policy set by manufacturers that limits how low retailers can advertise their prices.
The good news? We can often sell below MAP - we just can't show that price publicly. When you request a price by email or add to cart, you'll see our actual (often lower) price.
This isn't a trick - it's how we stay compliant while still offering you the best deals possible.







