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The .50 BMG 12.799mm NATO (and designated as the 50 Browning by the C.I.P.) is a cartridge developed for the Browning .50 caliber machine gun in the late 1910s. Entering service officially in 1921, the round is based on a greatly scaled-up .30-06 cartridge. Under STANAG 4383, it is a standard cartridge for NATO forces as well as many non-NATO countries. The cartridge itself has been made in many variants: multiple generations of regular ball, tracer, armor-piercing (AP), incendiary, and saboted sub-caliber rounds.

Your Ammo Needs

TMI50BMG ammunition is loaded to precise standards, using only the finest components, and processes. Loaded specifically for precision big bore rifles, a wide variety of ammunition is available, including ball, tracer, armor-piercing, incendiary, and A-MAX rounds, with accuracy being priority number one.

  • AP (ARMOR PIERCING) M2
  • API (ARMOR PIERCING INCENDIARY) M8
  • APIT (ARMOR PIERCING INCENDIARY TRACER) M20
  • FMJ (FULL METAL JACKET) BALL M33
  • A-MAX MATCH 750 GRAIN

50 Cal .510 750 gr A-MAX

The aerodynamic secant ogive profile, the sharp pointed tip and the unequaled concentricity of the A-MAX design give it an extremely high ballistic coefficient for near perfection in flight.




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.50 BMG Cartridge

The .50 BMG cartridge has a capacity of 290 grains H2O. The round is a scaled-up version of the .30-06 Springfield but uses a case wall with a long taper to facilitate feeding and extraction in various weapons.
The common rifling twist rate for this cartridge is 1 in 15 in, with 8 lands and grooves. The primer type specified for this ammunition is Boxer primer that has a single centralized ignition point.
The average chamber pressure in this round is 54,923 psi. The proof/test pressure is listed as 65,000 psi.

Power

The .50 BMG round can produce between 10,000 and 15,000 foot pounds, depending on its powder and bullet type, as well as the weapon it was fired from. Due to the high ballistic coefficient of the bullet, the .50 BMG's trajectory also suffers less "drift" from cross-winds than smaller and lighter calibers, making the .50 BMG a good choice for high-powered sniper rifles.