Dec 21, 2020 · It’s a uncluttered BDC reticle engineered for the AR 15’s most popular cartridge: The 5.56×45. It measures the holdover and ranging right in the reticle itself…for up to 500 yards. In other words: Accurate longer-range shots. Some people have claimed it works for the .223, 300 blackout cartridge and more. But you know what’s my ... Download Rifle scope stock photos. Affordable and search from millions of royalty free images, photos and vectors.