Description
The Mossberg 500 Pump 12ga 20″ 3″ Center Mass Laser Sights Black is a purpose-built home defense shotgun. It combines Mossberg’s legendary 500-series pump-action reliability with a 20-inch barrel for maneuverability and a factory-installed Center Mass laser sighting system for rapid, instinctive target acquisition. I’ve put hundreds of rounds through various 500s, and this configuration is one of the most practical I’ve seen for its intended role.
Key Features
- Center Mass Laser Sight System: Pre-zeroed, dual-button-activated laser projects a bright red dot for intuitive aiming from any shooting position.
- 20-Inch Cylinder Bore Barrel: Offers the ideal balance between swing speed for close quarters and effective patterning for defensive loads.
- Proven Mossberg 500 Action: The rugged, time-tested pump-action design known for feeding anything from light target loads to 3-inch magnum shells.
- Dual Extractors & Steel-to-Steel Lockup: Enhances reliability and durability, a feature I’ve always appreciated when running drills under stress.
- Ambidextrous Safety: The tang-mounted safety is easy to operate for both right and left-handed shooters—a classic Mossberg advantage.
Specifications & Details
| Specification | Detail |
|---|---|
| Gauge | 12 Gauge (3″ Chamber) |
| Barrel Length | 20 Inches |
| Overall Length | Approx. 41 Inches |
| Capacity | 5+1 Rounds (with included plug) |
| Sights | Bead Front, Center Mass Red Laser |
| Finish | Matte Black |
| Stock | Synthetic |
Here’s the thing—with an overall length just over 40 inches, this shotgun is easy to handle in hallways or tight spaces. The synthetic stock is durable and weather-resistant, which matters here in Missouri where humidity can be a factor. The laser system is drop-in ready and requires no gunsmithing; it mounts securely to the magazine tube, keeping the profile clean. At a price of $484.37, it presents a solid value for a ready-to-role package.
Who This Shotgun Is For
This is primarily for the homeowner seeking a dedicated, no-nonsense defensive tool. It’s also an excellent choice for a new shooter who wants the psychological and practical benefits of a laser for building confidence and proper mounting technique. While it’s not a dedicated hunting gun, its cylinder bore and 20-inch barrel make it capable for short-range pest control or brush hunting for small game.
Pros & Cons: My Take
Pros: The integrated laser is the star—it’s a genuine force multiplier in low-light scenarios. Mossberg’s action is famously forgiving and robust. The 20-inch barrel is the sweet spot for defense. The setup is incredibly straightforward; you can take it home, add ammunition, and it’s functionally complete. It’s also compatible with a huge aftermarket of Mossberg 500 parts and accessories, from stocks made by companies like Hogue to sling mounts from GG&G.
Cons: The laser is battery-dependent, so you must maintain it. The synthetic stock, while tough, may feel a bit hollow to some compared to wood—though that’s a minor trade-off for weight and durability. The bead sight alone is basic, but that’s precisely why the laser is there.
Frequently Asked Questions
Q: Is the laser sight already sighted in from the factory?
A: Yes, the Center Mass laser is pre-zeroed at the factory for a specific distance, typically around 25 yards. I always recommend verifying and fine-tuning the zero with your chosen defensive load at your expected engagement distance, but it’s shockingly close out of the box.
Q: What is the actual shell capacity?
A: The magazine tube holds 5 shells, plus 1 in the chamber for a total of 6 rounds of 2 3/4″ or 3″ shells. It includes a plug to comply with migratory bird hunting regulations, which limits it to 3 total rounds when installed. For home defense, you’d simply remove the plug.
Q: Can I add a flashlight to this model?
A: Absolutely. The most common method is to replace the forend with a dedicated light-equipped model from brands like Streamlight or SureFire, or to use a barrel/magazine clamp-mounted light. The clean magazine tube and lack of integrated rails give you flexibility in your lighting choice.
Look, if you want a defensive shotgun that removes the guesswork of traditional sight alignment under stress, this Mossberg 500 configuration is a compelling solution. It delivers Mossberg’s proven mechanics with a modern aiming aid, all at a point where you’re not paying for superfluous features. This model is available at firearms-missouri.com for Missouri residents and nationwide, with an FFL transfer required for firearm purchases. See the full details on our site.
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