Search results
Results from the WOW.Com Content Network
The .223 Remington (designated 223 Remington by SAAMI [4] and 223 Rem. by the C.I.P. [5]) is a rimless, bottlenecked, centerfire intermediate cartridge.It was developed in 1957 by Remington Arms and Fairchild Industries for the U.S. Continental Army Command of the United States Army as part of a project to create a small-caliber, high-velocity firearm.
The .22 TCM or 22TCM (.22, Tuason, Craig, Micromagnum) is a proprietary bottle-necked rimless cartridge created from a 5.56mm NATO / 223 Rem parent case. It was developed by custom gunsmith Fred Craig and Martin Tuason, President of Rock Island Armory (RIA) Armscor, and is used in the RIA M1911 pistols and the M22 TCM bolt-action rifle.
The 30-06 Springfield cartridge (pronounced “thirty- ought -six”, "thirty-oh-six") or 7.62×63mm in metric notation, was introduced to the United States Army in 1906 (hence “06”) where it was in use until the late 1970s. It remains a very popular sporting round, with ammunition produced by all major manufacturers.
The 6.8mm Remington Special Purpose Cartridge (6.8 SPC, 6.8 SPC II or 6.8×43mm) is a rimless bottlenecked intermediate rifle cartridge that was developed by Remington Arms in collaboration with members of the U.S. Army Marksmanship Unit and United States Special Operations Command [6] to possibly replace the 5.56 NATO cartridge in short barreled rifles (SBR) and carbines.
The 6×45mm cartridge provides better down range performance than the .223 Remington or the 5.56 NATO cartridges. The cartridge is currently offered by Les Baer in an AR rifle. The cartridge had been offered by Cooper Arms, Kimber and a few other rifle manufacturers in their rifles as a regular factory chambering for a period of time.
Headstamp. A headstamp is the markings on the bottom of a cartridge case designed for a firearm. It usually tells who manufactured the case. If it is a civilian case it often also tells the caliber: if it is military, the year of manufacture is often added. The left cartridge's headstamp says "FC 223 REM" which means that it was made by Federal ...
The heaviest commercially loaded ammo available for the 7mm is 195 grains, [6] while the .30-06 Springfield can be loaded with bullets up to 220 grains, but for a .308 caliber to equal the flat trajectory and penetration of a .284 diameter 180-grain bullet with a muzzle velocity of 2,860 ft/sec (870 m/s), as offered for the 7mm Remington Magnum ...
The .223 designation is a reference to the popular .223 Remington. It is currently the fastest production .22 caliber round in the world with muzzle velocities as high as 4,600 feet per second (1,402 meters per second). However, the .220 Swift still holds the record as the fastest .22 caliber centerfire cartridge with a published velocity of ...