$92.76
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Availability: In Stock
Current Stock: Out of stock
The Mossberg FLEX Stock Model 500/590 Tactical is a 6-position adjustable synthetic stock built for shooters who need a custom fit on their tactical shotgun. If you're running a 12 or 20 gauge FLEX System shotgun or MVP FLEX platform, this drop-in replacement lets you dial in your length of pull from 11 inches to 14.25 inches—a critical fit spec for consistent shouldering, especially when you're wearing gear or running drills. The black synthetic construction handles hard use without the weight or maintenance of wood.
FLEX System compatibility means this stock integrates seamlessly with Mossberg's modular platform, so you can swap it without gunsmithing. Whether you're setting up a home-defense shotgun, running 3-gun, or building a reliable tactical platform, the adjustability here solves a real problem: most shooters don't have identical proportions, and a one-size stock forces you into an awkward position. Six stops let you find your sweet spot and lock it down.
Note that this stock requires a 12 or 20 gauge FLEX adapter (sold separately if not already on your receiver) and is not compatible with FLEX-22 models. If you're already running Mossberg FLEX components, you already have the platform—this is a straightforward upgrade to ergonomics and handling.
| Compatibility | 12 and 20 gauge FLEX System shotguns; MVP FLEX |
| Position Adjustability | 6-position |
| Length of Pull Range | 11 inches to 14.25 inches |
| Material | Synthetic |
| Color | Black |
| Not Compatible With | FLEX-22 models |
This stock is designed for 12 and 20 gauge FLEX System shotguns and the MVP FLEX platform. It is not compatible with FLEX-22 models. You'll need a compatible FLEX stock adapter to install it on your receiver.
The stock offers 6 adjustable positions that let you set your length of pull anywhere from 11 inches to 14.25 inches. Choose the position that matches your preferred cheek-to-trigger distance and lock it in.
You'll need a 12 or 20 gauge FLEX stock adapter to mount this stock to your shotgun. If your FLEX System shotgun already has an adapter installed, the stock is a straightforward swap.
Yes—it's a tactical stock designed for shotguns used in home defense, 3-gun, and professional applications. The adjustable design and synthetic construction make it reliable and low-maintenance in demanding scenarios.
SKU: 115860360 • Width: 10.4in • Height: 2.3in • Depth: 16.5in • Weight: 1.94oz
Availability: In Stock
Current Stock: Out of stock
The Mossberg FLEX Stock Model 500/590 Tactical is a 6-position adjustable synthetic stock built for shooters who need a custom fit on their tactical shotgun. If you're running a 12 or 20 gauge FLEX System shotgun or MVP FLEX platform, this drop-in replacement lets you dial in your length of pull from 11 inches to 14.25 inches—a critical fit spec for consistent shouldering, especially when you're wearing gear or running drills. The black synthetic construction handles hard use without the weight or maintenance of wood.
FLEX System compatibility means this stock integrates seamlessly with Mossberg's modular platform, so you can swap it without gunsmithing. Whether you're setting up a home-defense shotgun, running 3-gun, or building a reliable tactical platform, the adjustability here solves a real problem: most shooters don't have identical proportions, and a one-size stock forces you into an awkward position. Six stops let you find your sweet spot and lock it down.
Note that this stock requires a 12 or 20 gauge FLEX adapter (sold separately if not already on your receiver) and is not compatible with FLEX-22 models. If you're already running Mossberg FLEX components, you already have the platform—this is a straightforward upgrade to ergonomics and handling.
| Compatibility | 12 and 20 gauge FLEX System shotguns; MVP FLEX |
| Position Adjustability | 6-position |
| Length of Pull Range | 11 inches to 14.25 inches |
| Material | Synthetic |
| Color | Black |
| Not Compatible With | FLEX-22 models |
This stock is designed for 12 and 20 gauge FLEX System shotguns and the MVP FLEX platform. It is not compatible with FLEX-22 models. You'll need a compatible FLEX stock adapter to install it on your receiver.
The stock offers 6 adjustable positions that let you set your length of pull anywhere from 11 inches to 14.25 inches. Choose the position that matches your preferred cheek-to-trigger distance and lock it in.
You'll need a 12 or 20 gauge FLEX stock adapter to mount this stock to your shotgun. If your FLEX System shotgun already has an adapter installed, the stock is a straightforward swap.
Yes—it's a tactical stock designed for shotguns used in home defense, 3-gun, and professional applications. The adjustable design and synthetic construction make it reliable and low-maintenance in demanding scenarios.
SKU: 115860360 • Width: 10.4in • Height: 2.3in • Depth: 16.5in • Weight: 1.94oz