The BCM A/T Optic Riser 525-13 (brand part no. ORAT52513) raises a red dot or magnifier setup to a consistent, repeatable height on a Picatinny rail. Finished in black, this riser sits at 0.50″ mount height and runs 5.75″ in length, the longest of the standard-height A/T risers, giving extra room to mount a primary optic alongside a magnifier or other companion accessory.

Key Specifications

• Sets optic mount height at 0.50 inches above the rail.
• Measures 5.75 inches in length.
• Mounts to a standard Picatinny rail.
• Finished in black to match most AR-platform builds.
• Sized to accommodate an optic plus a companion accessory on one riser.

Frequently Asked Questions

What mount height does this riser provide? 0.50 inches above the Picatinny rail.

How long is this riser compared to the 525-11? At 5.75 inches, it’s longer than the 4.50-inch 525-11 riser, leaving more room for accessories.

Buy the BCM A/T Optic Riser 525-13

Mount a full optic and magnifier setup on one solid, elevated platform. Order the BCM A/T Optic Riser from our Lubbock, Texas gun shop for fast, reliable shipping — or browse more scope mounts.