Does M855 penetrate better than M193?

What this means is that M193 at 3100 fps will more reliably penetrate that steel armor plate than M855 at 3300 fps. Even if the steel-cored “penetrator” “semi-AP” round is traveling 200 fps faster than the old lead-cored M193, it is the latter which is more likely to penetrate that steel armor plate.

What does XM193 mean?

XM193 product is first run, first quality product manufactured at the Lake City Army Ammunition Plant for Federal Cartridges and is made to Federal specifications typical for commercial ammunition. All XM193 product is the same regardless of the sku or part number.

Is 62 grain or 55 grain better?

The steel core, 62 gr stuff will penetrate better but. the 55 should fragment more. For short range, anti personnel use as in home defense hollow point is probably a better choice.

What’s the difference between the M193 and the xm855?

M193 vs M855 The M193 cartridge is a 55 gr lead core surrounded by a copper jacket (FMJ-BT, full metal jacket with boat tail). Assorted 5.56 Rounds (XM193, XM855, Gold Medal 69gr) While the M855 “green tip” cartridge is 62 gr and has a steel core “penetrator” at the tip which helps it go through barriers more easily (also FMJ-BT).

Which is better M855 or 69 grain FMJ?

That special steel “penetrator” makes the M855 projectile pretty long for its weight. It is even longer than some 69 grain FMJs. This extra length requires a faster twist rate for proper in-flight stabilization. For this reason, M855 performs well in barrels with a 1:7 or 1:8 twist.

How many grains does a M193 FMJ bullet travel?

The M193 cartridge (and its civilian equivalents) drive a boat tail projectile with a lead core and a full copper jacket. Weighing in at 55 grains, the FMJ bullet travels approximately 3,165 feet per second out of the muzzle.

What’s the difference between federal 5.56 ammo and XM?

Learn the confusing differences between Federal’s X and XM designations of their 5.56 ammo, as well as the differences between XM193 and XM855 rounds. Plus ammo recommendations! In a nutshell, “M” by itself means that it meets military specification (mil-spec) while “XM” means it does not.