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What is the difference between M855 and M855A1?

What is the difference between M855 and M855A1?

The M855A1 is optimized for the shorter-barrel M4 where the standard M855 was optimized for the M16. The powder burns faster and creates more pressure, and has the effect of reducing flash. The round yaws like the M855, but its yaw is more consistent and predictable, meaning its terminal effects are not yaw dependant.

What grain is M855A1?

62 grains
The U.S. Army replaced its green-tipped 5.56×45 mm NATO, M855 standard ball cartridge in June 2010 with the lead-free, or “green,” M855A1 cartridge. Like its predecessor, the new bullet weighs 62 grains, but since its copper core is one-third lighter than lead, it is approximately 1/8 inch longer.

Why is 5.56 so small?

The 5.56 NATO round, however, wouldn’t go on to be adopted as the standard for the alliance until 1980. Ultimately, the decision to shift from 7.62 x 51 mm ammunition to 5.56 x 45 mm came down to simple arithmetic. The smaller rounds weighed less, allowing troops to carry more ammunition into the fight.

Are there any M855A1s for sale in NC?

Been reading about it for a while, read a bunch of reviews. Seems like everyone has their own M193 and M855 for sale – but haven’t been able to locate anyone selling M855A1 . . . Loaded up 10ea 30 rd mags worth today and they were free (Thanks tax payers).

What kind of weapon is the M855A1?

The M855A1 is tailored for use in the M-4 weapon system (Colt M4 Carbine and Colt M4A1 Carbine Short Barreled Rifle platforms) but also improves the performance of the M-16 assault rifle and M-249 (FN M249 Squad Automatic Weapon and Light Machine Gun) families of weapons.

Is the 5.56 mm ball, M855A1 enhanced performance round?

The 5.56mm Ball, M855A1 Enhanced Performance Round (EPR) contains an environmentally friendly projectile that eliminates up to 2,000 tons of lead from the manufacturing process each year in direct support of Army commitment to environmental stewardship. The M855A1 is tailored for use in the M-4 weapon system…

Can a M855 be loaded with an M193?

Old M855 is readily avalible along with M193. Isn’t the M855A1 load and military load only as in a bullet that is armor piercing ?? Old M855 is readily avalible along with M193. Click to expand… AFAIK, the M855 isn’t supposed to be AP, nor it is classified as AP by the ATF. Otherwise, we wouldn’t be able to buy it

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