Primary Arms PA 910115 | SLX Top Cap Reflex Mount 34mm

The Primary Arms SLX Top Cap Reflex Mount provides a dedicated mounting point for 24mm mini reflex sights above a 34mm SLx scope. It positions the red dot at the 12 o’clock station to enable quicker transitions between magnified optics and a reflex sight. The mount is machined from 6061 aluminum and finished in black anodize for durability and a consistent appearance.

Product Specifications

• The manufacturer is PRIMARY ARMS OPTICS.
• The model is the SLX Top Cap Reflex Mount.
• The manufacturer’s part number is PA 910115.
• The mount size is 34mm.
• The mount fits an RMR footprint.
• The mount is compatible with the Primary Arms Classic Series 24mm Mini Reflex Sight and other optics using the Holosun 507c footprint.
• The finish is anodized.
• The color is black.
• The material is machined from 6061 aluminum.
• When used with the 34mm SLx 1.5″ mounts, the base of a red dot sight is placed at 2.04 inches.
• The optic sits at the 12 o’clock position above the scope for sight transitions.
• The product type is Mount.
• The subcategory is Optical Accessories.
• The UPC is 818500019589.
• The mount is backed by the Primary Arms Lifetime Warranty.

This top-cap reflex mount is ideal for users who need quick, repeatable transitions between a magnified optic and a reflex sight—common in competition stages and rapid target-acquisition drills. Its low-profile, rigid design and common footprint compatibility make it useful for range work and field optics setups where consistent alignment and minimal added bulk matter.