Upgrade your Remington 870 12 Gauge shotgun with the TRINITY Saddle Mount System featuring a removable shell holder and integrated Picatinny rail, engineered for durability, versatility, and fast access to your ammunition.
Designed for a precision fit, this saddle mount installs directly onto your shotgun’s receiver using the included steel trigger pin replacement bolts, requiring no gunsmithing or permanent modifications. The rugged machined aluminum construction ensures a secure, recoil-resistant platform for optics and accessories.
The built-in 11-slot Picatinny/Weaver rail allows you to easily mount scopes, red dot sights, flashlights, or lasers, giving you complete flexibility for hunting, target shooting, or home defense setups.
Included is a removable 5-round shell holder made from high-strength, oil-resistant glass-filled polymer, providing reliable shell retention while allowing quick and easy access. It is compatible with 2¾" and 3" 12 gauge shells, ensuring versatility across different loads. The removable design lets you customize your setup based on your needs.
Finished in a matte black anodized coating, this system resists corrosion, reduces glare, and is built to perform in demanding conditions.
The TRINITY saddle mount delivers a complete tactical upgrade combining ammo storage and optics mounting into one compact, dependable system.
✔ PRECISION FIT FOR REMINGTON 870 12 GAUGE – Designed for a secure and stable receiver mount
✔ NO GUNSMITHING REQUIRED – Installs using factory trigger pin ports
✔ REMOVABLE 5-ROUND SHELL HOLDER – Holds 2¾" and 3" shells securely
✔ FAST ACCESS AMMO STORAGE – Reliable retention under recoil and movement
✔ INTEGRATED PICATINNY RAIL – 11-slot rail for optics, red dots, lights, and lasers
✔ MODULAR DESIGN – Shell holder can be removed for custom configurations
✔ HEAVY-DUTY ALUMINUM BUILD – Strong, lightweight, and recoil-resistant
✔ GLASS-FILLED POLYMER HOLDER – Oil-resistant and long-lasting durability
✔ MATTE BLACK ANODIZED FINISH – Non-glare, corrosion-resistant coating
✔ ALL HARDWARE INCLUDED – Ready for quick installation out of the box
✔ VERSATILE APPLICATIONS – Ideal for hunting, slug shooting, tactical use, and home defense