This was the first time the Pentagon's Director, Operational Test and Evaluation (DOT&E) tested the round, which can hit targets out to 1,200m (1,312yd). While we have went to great lengths to make sure that it's as accurate as possible this rendering should not be used to generate specs for casings. All trajectories were calculated for a rifle with a low mounted telescopic sight of moderate size whose line of sight is 1.5 inches above the bore axis of the barrel. . If you do not have a Shooting Chronograph, I strongly suggest you purchase one. . Your information will never be shared and you can unsubscribe with one click at anytime. Due to its high ballistic coefficients, the heavier bullets are usually preferred by long range shooters being extremely efficient in bucking wind as well as carrying downrange energy capable take down game of any size in America and Europe. The Maximum Point Blank Range (MPBR), which is shown in the last column of the table below, is the distance at which the bullet falls 3 inches below the line of sight. The following ammunition cartridge ballistics information and chart can be used to approximately compare .270 Winchester vs .300 Winchester Magnum ammo rounds. It is based on the .375 H&H Magnum, which has been blown out, shortened, and necked down to accept a .30 caliber (7.62mm) bullet.[3]. Military and law enforcement departments adopted the cartridge for long-range use, particularly by snipers. google_ad_slot = "7610963244"; Compared with the 30-06 Springfield the .300 Winchester Magnum provides a roughly 400ft/s (120m/s) increase in velocity. Copyright GunData.org 2015 | Koenig Media, LLC | Links | Sitemap | Advertise.