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It is thought [5] the word blanc may be used to describe a small white aiming spot formerly at the center of shooting targets. However, since none of the early sources mention a white center target, blanc may refer to empty space or zero point of elevation when testing range. [6] The term originated with the techniques used to aim muzzle ...
The XM25 CDTE fires 25 mm grenades that are set to explode in mid-air at or near the target. A laser rangefinder in the weapon is used to determine the distance to the target. The user can manually adjust the detonating distance by up to 10 feet (3.0 m) shorter or longer; the XM25 automatically transmits the detonating distance to the grenade ...
Over pressure of 25% means 25% in excess of the service pressure resulting for the 5.56×45mm NATO up to 430.0 MPa (62,366 psi) (P max) piezo service pressure. The service pressure is defined as the mean pressure generated by the service cartridge at a temperature of 21 °C (70 °F).
The table below gives a list of firearms that can fire the 5.56×45mm NATO cartridge, first developed and used in the late 1970s for the M16 rifle, which to date, is the most widely produced weapon in this caliber. [1]
Firstly, estimating the distance to the target is critical at longer ranges, because the difference in the point of impact between 400 and 500 yd (460 m) is 25–32 in (depending on zero), in other words if the shooter estimates that the target is 400 yd away when it is in fact 500 yd away the shot will impact 25–32 in (635–813 mm) below ...
For example, a rifle capable of firing a ½ or 0.5 MOA (approximately 0.5 inch center to center of the two holes furthest apart) 5-round group (often referred to as "grouping") at 100 yards will theoretically fire a 12.5 inch group at 2,500 yards (0.5 × 2,500/100 = 12.5). Unless the group is centered perfectly on the target at 100 yards, the ...