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Cast bullets require a longer bearing surface than jacketed bullets to maintain an equivalent alignment with the bore of the firearm; because the softer cast bullet can be more readily deformed. The most successful cast bullet designs have a round or flattened nose rather than a long, unsupported ogive.
A semiwadcutter (SWC) or flat-nose is a type of all-purpose bullet commonly used in revolvers.The SWC combines features of the traditional round-nosed bullets and the wadcutter bullets used in target shooting, and is used in both revolver and rifle cartridges for hunting, target shooting and plinking.
Hard cast solid bullet (left), with gas check (center) and lubrication (right) A modern centerfire cartridge consisting of the following: 1. bullet, as the projectile; 2. metallic case, which holds all parts together; 3. propellant, for example gunpowder or cordite;4. rim, which provides the extractor on the firearm a place to grip the case to ...
Examples of FMJ bullets in their usual shapes: pointed ("spitzer") loaded in the 7.62×39mm rifle and round-nosed loaded in the 7.62×25mm pistol cartridges A full metal jacket ( FMJ ) bullet is a small-arms projectile consisting of a soft core (often lead ) encased in an outer shell ("jacket") of harder metal, such as gilding metal ...
At distances beyond 50 yards (46 m), full caliber diameter wadcutters become highly inaccurate. On the other hand, SWC bullets can maintain high accuracy at ranges exceeding 100 yards (91 m). In general, semi-wadcutters having a partially rounded nose are more accurate than wadcutters having a flat-front profile.
Longitudinal section of Mk VI ammunition 1904, showing the round nose bullet. The Mk II round-nosed bullet was found to be unsatisfactory when used in combat, particularly when compared to the "dum-dum" expanding bullet rounds issued in limited numbers in 1897 during the Chitral and Tirah expeditions of 1897–98 on the North West Frontier of ...
Flat nose lead (FNL): Similar to round nose lead, with a flattened nose. Common in cowboy action shooting and plinking ammunition loads. Total metal jacket (TMJ): Featured in some Speer cartridges, the TMJ bullet has a lead core completely and seamlessly enclosed in brass, copper or other jacket metal, including the base.
Reloading the 8×56mmR Mannlicher can be problematic, due to the .329" groove diameter of the barrel. Commonly available .323" 8mm "S"-bullets will produce very poor accuracy. Open-base jacketed bullets, such as the .323" 244 grain round-nose FMJ bullets used in the 8×50mmR Mannlicher, will often produce better results but are difficult to obtain.