Mossberg 590 12 Gauge Tactical Handguard & Rear Grip Combo w/ Picatinny Rails – Fits Mossberg 590 & Maverick 88

Upgrade your shotgun with the TRINITY Tactical Handguard & Rear Grip Combo, designed to deliver enhanced control, improved ergonomics, and expanded customization for your Mossberg platform. Compatible with Mossberg 590, 500, 500A, and Maverick 88 12 gauge shotguns, this complete system provides a rugged and reliable upgrade for tactical, hunting, and home defense applications.

The railed forend handguard features integrated action bars and is built from high-impact polymer with aircraft-grade aluminum Picatinny rails, allowing you to mount accessories such as lights, lasers, and grips. Its ergonomic design helps distribute recoil evenly, improving handling, accuracy, and follow-up shot speed.

The included rear pistol grip with storage compartment enhances weapon control and comfort, while the polymer stock adapter allows compatibility with collapsible stock systems. The adapter’s lowered profile supports proper sight alignment when using iron or bead sights.

Engineered for durability and ease of use, this combo is constructed from glass-filled nylon and reinforced polymer, ensuring long-lasting performance under demanding conditions. Installation is straightforward with all necessary hardware included—no gunsmithing required.

⚠️ Compatibility Note:
Fits 12 gauge Mossberg 500/500A/590 and Maverick 88 models only.
Not compatible with Mossberg 535/835 (3.5" receivers), youth/Bantam models, or 20 gauge/.410 variants.

Key Features

• COMPLETE TACTICAL UPGRADE KIT
  Includes handguard forend, rear pistol grip with storage, and stock adapter
• COMPATIBLE WITH MOSSBERG 500 SERIES
  Fits Mossberg 590, 500, 500A and Maverick 88 (12 gauge only)
• INTEGRATED ACTION BARS INCLUDED
  Designed for long action slide (7-3/4") ensuring smooth cycling
• PICATINNY RAIL HANDGUARD
  Aluminum rails allow mounting of lights, lasers, and other tactical accessories
• ERGONOMIC REAR GRIP WITH STORAGE
  Improves handling and includes internal storage compartment
• STOCK ADAPTER WITH LOWERED PROFILE
  Enables use of collapsible stocks while maintaining proper sight alignment
• HEAVY-DUTY CONSTRUCTION
  Made from glass-filled nylon and reinforced polymer for durability and recoil resistance
• EASY INSTALLATION – NO GUNSMITHING REQUIRED
  Includes all mounting hardware for quick setup
• TACTICAL & DEFENSIVE READY
  Ideal for home defense, range use, and hunting applications