California Proposition 65 Warning
This product can expose you to chemicals including lead, known to cause cancer and birth defects. For more info visit P65Warnings.ca.gov.
Mossberg
590S
$742.00
Available
Mossberg 590S, Optic Ready, Pump Action, 12 Gauge, 3" Chamber, 18.5" Barrel, Matte Blued Finish, Synthetic Stock, Bead Sight, Receiver Milled for Shield RMSc Pattern Micro Dot Sights, 9 Rounds, Cycles 1.75", 2.75", or 3" 51605
Key Details
Brand
Mossberg
Manufacturer Part Number
51605
UPC
015813516051
SKU
MS51605
Current Stock
6 available
Quantity Updated
Apr 23, 2026 9:10 PM
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Purchase Requirements
- This product requires FFL processing before pickup or transfer.
- Age verification is required before checkout completion.
- California compliance or distributor restriction review may apply.
- Final availability is confirmed at checkout.
In-Store Pickup Required: All firearm purchases must be picked up at our Beverly Hills location after background check completion.
Product Description
Mossberg 590S models set a new standard for shotshell cycling flexibilty. Now, we've added the added benefit of optic-ready convenience. Receiver cuts allow 590S shotguns to accept low-profile direct mounting of Shield RMSc-pattern micro dot sights, for improved eye alignment and target acquisition. Cover plate is included when a sight is not mounted.
Features
- Dual Extractors, Twin Action Bars, Positive Steel-to-steel Lockup, Anti-jam Elevator
- Receiver Milled to accept the Shield RMSc-pattern micro dot sights
- Compatible with 1.75/2.75" and 3" Shells"
Specifications
UPC:
015813516051
Manufacturer:
Mossberg
Manufacturer Part #:
51605
Model:
590S
Model (Alt):
Optic Ready
Action:
Pump
Barrel Length:
18.5"
Capacity:
9 Rounds
Finish:
Matte
Sights:
Bead
