These became known as bullet drop compensating (BDC) reticles because the additional aiming points coincided with various bullet trajectories, generally at 100 yard increments.

The 1-6X Vudu has three reticle options, though the differences are only in the BDC reticle: the SR-1 is a crosshair-style reticle with stadia lines across the vertical and horizontal axes; the SR ...

For long range precision, the 4x32 BCO AAC .300 Blackout reticle features a BDC reticle that ranges out to 900m for the supersonic and out to 400m for the subsonic.

The Laser IRT (Immediate Ranging Technology) Riflescope combines Nikon's BDC (Bullet Drop Compensating) reticle with an integral laser rangefinder. The laser rangefinder and precision BDC reticle ...

With the new BDC Distance Lock function that keeps everything in the first focal plane, the aiming points provided by the Nikon’s Spot On ballistic application will be the same, regardless of ...