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In 1968 Günter Frères developed the parent case, the rimmed 5.6×50mmR Magnum (designated 5,6 x 50 R Mag. by the C.I.P. According to the official C.I.P ruling, the rimless 5.6×50mm Magnum can handle up to 380.00 MPa (55,114 psi) P max piezo pressure, which is 40.00 MPa (5,802 psi) more than the rimmed parent case developed four years prior.
It appears that this round can drastically improve the performance of any AR-15 weapon chambered to .223/5.56 mm. Superior accuracy, wounding capacity, stopping power and range have made this the preferred round of many special forces operators, and highly desirable as a replacement for the older, Belgian-designed 5.56×45mm SS109/M855 NATO round.
The French-style headstamp has the yearly quarter before the 4-digit year (e.g., 4-1917 would mean 4th Quarter (October, November and December), 1917). It employed 1,000 workers in three around-the-clock shifts. They either lived in Swanton or commuted by streetcar from nearby St.Albans. Remington closed the plant at the end of the war when the ...
PPU##, PP-YU Prvi Partizanki zavod ad Užice ("First Partisan" Ammunition Plant at Užice) – Užice, Yugoslavia (now Serbia). Headstamps on Communist-era commercial ammunition had the caliber at 12 o'clock and the contractor code (PPU or PP-YU) at 6 o'clock.
Speer Gold Dot 124gr 9mm+P in SIG P226 magazines. Overpressure ammunition, commonly designated as +P or +P+ (pronounced Plus-P or Plus-P-Plus), is small arms ammunition that has been loaded to produce a higher internal pressure when fired than is standard for ammunition of its caliber (see internal ballistics), but less than the pressures generated by a proof round.
A 7.62×51mm NATO crimped blank cartridge. The appearance of a blank cartridge can give a false sense of safety. Although blank cartridges do not contain a bullet, precautions are still required because fatalities and severe injuries have resulted on occasions when blank cartridges have been fired at very close ranges.
The M196 tracer cartridge (54-grain bullet) 5.56×45mm NATO was developed for the original M16 rifle and is compatible with the M16A1 barrel also using 1:12 rifling twist. It has a red tip and is designed to trace out to 500 yards, and its trajectory matches the M193 (56-grain) ball cartridge, which has no tip color.
Loaded ammunition in the 300 BLK caliber can be purchased as light as 100 gr, with the 125 gr class of bullets proving to be popular when shooting at higher velocities. However, to use a bullet that has a weight near 125 gr at supersonic velocities, the .277 caliber has a much more ideal shape for stability and accuracy (longer and slimmer ...