Adaptive Tactical194202103
Adaptive Tactical, Llc Ex Performance Adj Pistol Grip Stock 12G Moss 500/590/88 Blk$73.38
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Availability: In Stock
Current Stock: Out of stock
The Adaptive Tactical EX Performance Adjustable Stock and Forend for Mossberg 500/590/88 shotguns is a pump-action upgrade built for shooters who want a tactical edge and customizable fit. Available in high-visibility orange, this two-piece system combines a quick-adjust stock with a picatinny-railed forend, giving you the modularity of a modern tactical shotgun without replacing your reliable Mossberg platform.
The adjustable stock lets you dial in length of pull with a rapid-adjust lever—no tools needed. That matters whether you're running it with heavy winter gear, body armor, or just want a snappier sight picture. The stock spans from 10.5" to 15" depending on recoil pad configuration, and integrates both quick-detach swivel mounts and standard sling attachment points. The polymer construction is tough and the vented rubber pad handles recoil honestly.
The forend packs a 2-inch picatinny rail under the nose cap, hidden until you need it. Pop the cap and mount a light, laser, or other accessory. Like the stock, it's lightweight polymer built for real use. Both pieces are designed for owner installation and are made in the USA—backed by NTOA testing and recommendation.
Be aware: Mossberg models made after March 2020 require a separate metal action slide tube assembly and retention nut from Mossberg (not included). Also, Adaptive Tactical advises against pairing the EX Forend with the Shockwave platform due to hand positioning hazards with the shorter receiver.
| Brand | Adaptive Tactical, LLC |
| Compatibility | Mossberg 500, 88, and 590 series 12-gauge pump shotguns |
| Stock Max Length (with pad) | 15" |
| Stock Max Length (without pad) | 14" |
| Stock Min Length (with pad) | 11.5" |
| Stock Min Length (without pad) | 10.5" |
| Forend Rail | 2-inch picatinny (concealed) |
| Material | High-performance polymer |
| Color | Orange |
| Installation | Owner installation (no gunsmith required) |
| Manufacturing | Made in USA |
Yes, the EX Performance stock and forend are designed for Mossberg 500, 88, and 590 series 12-gauge pump shotguns. However, if your Mossberg was manufactured after March 2020, you'll need to purchase a separate metal action slide tube assembly and retention nut from Mossberg or an authorized dealer—these are not included and are required for proper installation.
While the EX Forend is technically compatible with the Shockwave platform, Adaptive Tactical does not recommend it. The shorter Shockwave receiver combined with the EX Forend dimensions can position your hand too close to the muzzle, creating a serious safety hazard. Adaptive Tactical recommends using the factory forend with the safety strap on Shockwave models.
Yes. The forend features a 2-inch picatinny rail that's concealed under the nose cap. Remove the cap to mount lasers, lights, or other rail-compatible accessories.
The EX Performance stock adjusts from 10.5" to 15" (minimum to maximum length), depending on whether you install the recoil pad. The rapid-adjust lever allows you to change length of pull on the fly without tools, making it easy to adapt to different shooting positions or clothing.
SKU: 194202105 • Weight: 4oz
Availability: In Stock
Current Stock: Out of stock
The Adaptive Tactical EX Performance Adjustable Stock and Forend for Mossberg 500/590/88 shotguns is a pump-action upgrade built for shooters who want a tactical edge and customizable fit. Available in high-visibility orange, this two-piece system combines a quick-adjust stock with a picatinny-railed forend, giving you the modularity of a modern tactical shotgun without replacing your reliable Mossberg platform.
The adjustable stock lets you dial in length of pull with a rapid-adjust lever—no tools needed. That matters whether you're running it with heavy winter gear, body armor, or just want a snappier sight picture. The stock spans from 10.5" to 15" depending on recoil pad configuration, and integrates both quick-detach swivel mounts and standard sling attachment points. The polymer construction is tough and the vented rubber pad handles recoil honestly.
The forend packs a 2-inch picatinny rail under the nose cap, hidden until you need it. Pop the cap and mount a light, laser, or other accessory. Like the stock, it's lightweight polymer built for real use. Both pieces are designed for owner installation and are made in the USA—backed by NTOA testing and recommendation.
Be aware: Mossberg models made after March 2020 require a separate metal action slide tube assembly and retention nut from Mossberg (not included). Also, Adaptive Tactical advises against pairing the EX Forend with the Shockwave platform due to hand positioning hazards with the shorter receiver.
| Brand | Adaptive Tactical, LLC |
| Compatibility | Mossberg 500, 88, and 590 series 12-gauge pump shotguns |
| Stock Max Length (with pad) | 15" |
| Stock Max Length (without pad) | 14" |
| Stock Min Length (with pad) | 11.5" |
| Stock Min Length (without pad) | 10.5" |
| Forend Rail | 2-inch picatinny (concealed) |
| Material | High-performance polymer |
| Color | Orange |
| Installation | Owner installation (no gunsmith required) |
| Manufacturing | Made in USA |
Yes, the EX Performance stock and forend are designed for Mossberg 500, 88, and 590 series 12-gauge pump shotguns. However, if your Mossberg was manufactured after March 2020, you'll need to purchase a separate metal action slide tube assembly and retention nut from Mossberg or an authorized dealer—these are not included and are required for proper installation.
While the EX Forend is technically compatible with the Shockwave platform, Adaptive Tactical does not recommend it. The shorter Shockwave receiver combined with the EX Forend dimensions can position your hand too close to the muzzle, creating a serious safety hazard. Adaptive Tactical recommends using the factory forend with the safety strap on Shockwave models.
Yes. The forend features a 2-inch picatinny rail that's concealed under the nose cap. Remove the cap to mount lasers, lights, or other rail-compatible accessories.
The EX Performance stock adjusts from 10.5" to 15" (minimum to maximum length), depending on whether you install the recoil pad. The rapid-adjust lever allows you to change length of pull on the fly without tools, making it easy to adapt to different shooting positions or clothing.
SKU: 194202105 • Weight: 4oz