Upgrade your optics mounting setup with the TRINITY Low-Profile Aluminum Optics Base Mount for Mossberg 500, 505, 510, 535, 590, 590 Shockwave, 835, 930, and 935, a lightweight mounting accessory designed to provide a stable attachment platform for compatible scopes, red dot sights, lasers, and other optical equipment.
Engineered for compatible Mossberg models equipped with factory pre-drilled receiver mounting holes, this optics base offers a convenient installation solution using the included mounting screws.
Featuring a 5.5-inch mounting platform, the TRINITY base provides practical attachment space while maintaining a compact, streamlined profile.
The TRINITY optics mount features a low-profile construction with an integrated see-through channel.
This design is intended to help preserve visibility of the existing front bead sight when the base is installed on a compatible configuration.
The see-through channel provides additional versatility for users who prefer to retain access to their original sighting arrangement.
Actual sight visibility depends on the equipment configuration and any accessories installed above the base.
The TRINITY optics base is intended for compatible configurations of the following models:
Mossberg 500
Mossberg 505
Mossberg 510
Mossberg 535
Mossberg 590
Mossberg 590 Shockwave
Mossberg 835
Mossberg 930
Mossberg 935
Compatibility requires matching factory mounting-hole dimensions and spacing.
The base is intended for configurations with compatible pre-drilled receiver attachment points.
Manufactured from aircraft-grade aluminum, the TRINITY optics mount combines lightweight construction with structural durability.
Its aluminum body is designed to withstand regular outdoor sporting use and recoil-related vibration.
The black anodized finish provides a clean appearance while offering additional protection against corrosion and everyday surface wear.
The mounting platform is designed to accommodate compatible Weaver-style and 1913-style optical attachments.
Depending on accessory dimensions, the base can support:
Compact optical scopes
Red dot sights
Reflex sights
Compatible laser accessories
Other matching optical attachments
Verify the attachment dimensions of your chosen accessory before installation.
The 5.5-inch overall length provides useful attachment space for compatible optics without unnecessary bulk.
Its streamlined profile is designed to complement the existing receiver contours.
Weighing approximately 1.4 ounces, the base adds minimal weight to compatible equipment.
The TRINITY optics mount includes installation screws intended for compatible factory attachment points.
The supplied screw specification is:
M4 × 0.7mm thread, 8mm length, black-oxide alloy steel socket-head design.
For compatible configurations, installation is intended to use the existing mounting holes without permanent modifications.
Important: Verify the thread dimensions and mounting-hole spacing of your specific model before installation. Do not force screws into incompatible threads.
Whether you're installing a compact scope or a red dot sight, the TRINITY Low-Profile Aluminum Optics Base provides a practical mounting platform for compatible outdoor sporting equipment.
Its 5.5-inch length, lightweight aluminum construction, see-through channel, and included mounting screws make it a versatile accessory for compatible Mossberg configurations.
Please Note: Optical sights and other accessories shown in product photographs are for demonstration purposes only. This listing is for the optics base mount and supplied mounting screws. Optics are not included.
MULTI-MODEL MOSSBERG COMPATIBILITY: Intended for compatible Mossberg 500, 505, 510, 535, 590, 590 Shockwave, 835, 930, and 935 configurations.
LOW-PROFILE OPTICS BASE: Streamlined construction provides a compact mounting platform.
5.5-INCH OVERALL LENGTH: Offers practical attachment space for compatible optical accessories.
SEE-THROUGH CHANNEL: Designed to help preserve visibility of the original front bead sight on suitable configurations.
AIRCRAFT-GRADE ALUMINUM: Durable lightweight construction for regular outdoor use.
BLACK ANODIZED FINISH: Provides additional corrosion resistance and surface protection.
WEAVER-STYLE COMPATIBILITY: Supports optical accessories with matching Weaver-style attachment dimensions.
1913-STYLE ACCESSORY INTERFACE: Accommodates compatible optical attachments using the corresponding mounting standard.
LIGHTWEIGHT 1.4-OUNCE DESIGN: Adds minimal weight while providing additional mounting functionality.
FACTORY MOUNTING-HOLE DESIGN: Intended for compatible pre-drilled receiver configurations.
MOUNTING SCREWS INCLUDED: Supplied with installation hardware for matching attachment points.
M4 × 0.7MM SCREW SPECIFICATION: Includes 8mm-long black-oxide alloy steel socket-head screws as specified.
MULTIPLE OPTICS OPTIONS: Provides attachment space for compatible scopes, red dot sights, reflex sights, and other optical accessories.
DURABLE ALUMINUM CONSTRUCTION: Designed to tolerate normal recoil-related vibration.
NO PERMANENT MODIFICATIONS: Intended for installation using matching existing mounting holes.
OPTICS NOT INCLUDED: Sale includes the mounting base and supplied installation screws only.
| Specification | Details |
|---|---|
| Brand | TRINITY |
| Product Type | Low-Profile Optics Base Mount |
| Intended Brand | Mossberg |
| Primary Models | 500, 590, 835, 930, 935 |
| Additional Intended Models | 505, 510, 535, 590 Shockwave |
| Material | Aircraft-Grade Aluminum |
| Finish | Black Anodized |
| Overall Length | 5.5 Inches |
| Weight | 1.4 oz |
| Mounting Interface | Weaver-Style / 1913-Style |
| See-Through Channel | Yes |
| Intended Installation | Compatible Factory Mounting Holes |
| Mounting Screws | Included |
| Screw Material | Black-Oxide Alloy Steel |
| Screw Head Style | Socket Head |
| Screw Thread | M4 × 0.7mm |
| Screw Length | 8mm |
| Optical Accessories Included | No |
1 × TRINITY 5.5-Inch Low-Profile Aluminum Optics Base — Black
Mounting Screws
Optics, scopes, red dot sights, lasers, and other accessories shown in product photographs are not included.
The TRINITY Low-Profile Optics Base Mount is intended for compatible configurations of:
Mossberg 500
Mossberg 505
Mossberg 510
Mossberg 535
Mossberg 590
Mossberg 590 Shockwave
Mossberg 835
Mossberg 930
Mossberg 935
Before purchasing, verify:
Your exact Mossberg model and configuration.
The presence of factory pre-drilled mounting holes.
Matching mounting-hole spacing and alignment.
Compatibility with the supplied M4 × 0.7mm screws.
Available clearance for your intended optical accessory.
Compatibility of the optical attachment with the mounting interface.
Important: Not every configuration of the listed models necessarily uses the same mounting-hole pattern or screw specification. Confirm fitment before installation.
The TRINITY Low-Profile Aluminum Optics Base for Mossberg combines versatile compatibility, lightweight construction, and convenient installation.
Featuring a 5.5-inch mounting platform, aircraft-grade aluminum construction, black anodized finish, integrated see-through channel, and included mounting screws, this accessory provides a practical attachment solution for compatible optical equipment.
Its compact design and 1.4-ounce weight make it a useful addition to compatible outdoor sporting setups.

Products sold on TrinitySupply.com may be subject to federal, state, and local regulations. It is your responsibility to verify that the product you intend to purchase is legal for you to buy, own, possess, and use in your state of residence. By placing an order, you confirm that you have reviewed and comply with all applicable laws in your jurisdiction.