FAB Defense FXPRMO PR-MO Rail System for Mossberg 500/ 590/ Shockwave/ Maverick 88 7.91″ OAL Black Reinforced Polymer
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The PR-MO Mossberg 500 Rail System offers a superior mounting solution for your Mossberg accessories. It is constructed of reinforced polymer with a state-of-the-art design and three Picatinny rails. This model has a black finish. It is compatible with 12 Gauge, Mossberg 500, 590, Shockwave and Maverick 88 ( Maverick 88 requires purchasing separately a Mossberg 500 7-3/4″ Action Slide). NOTE: This model will not fit the Mag-Fed versions nor will not fit the 14″ Barrel versions.
Specifications
| UPC | 7290105940421 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | FXPRMO |
| Product Type | Railed Forend |
Shipping & Returns
All sales are final; we do not offer refunds or exchanges. Items that arrive damaged or defective are covered under the manufacturer's warranty — contact us within 5 days of delivery and we will help coordinate a claim.




