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.300 Winchester Magnum
Bullet Drop (Inches)
A lot of new things have happened with the 300 Win Mag over the past few years. The US Army
has made a major push to adopt it for their new versions of the M24 SWS and as such a new emphasis
was placed on making it an effective cartridge for 1500 meter engagements. The 300 WM is an outstanding
cartridge for military sniping, but as you might
imagine, it offers a lot of power and penetration, which limits its role in Law Enforcement.
The Secret Service does use the .300 WM, but they're situation is rare and unique and they do
not typically have to be concerned with hostage situations. They just need to insure that the possible assassin is
stopped, and the .300 WM is a good caliber to do that. The .300 WM is also a great round for going
through media in order to hit the target. With the new heavier loads the .300 is very capable of extending well past 1000
meters reliably. One big
criticism of the .300 WM is the amount of recoil that the round produces and how hard it is on barrels. Yes,
it can punish the shooter but with heavy tactical rifles and even potentially the use of effective muzzlebrakes the
recoil can be managed. Proper training can help as well.
The .300 WM is high recommended for military use, but not
so for Law Enforcement use. If a suitable round can be found that limits
over-penetration, the .300 WM could be a very flexible cartridge, even offering good armor penetration
with the right ammo selection.
We have selected two loads here, the A191, also known as the Mk248Mod0, which is the same as the Federal Match .300 WM 190gr and the new
Mk248 Mod1 220gr load. The A191 has
been around for a long time now and has been very effective over the years. The new heavier Mk248Mod1 is a more recent development designed specifically for
longer range engagements out to 1500+ meters.
- Mk248Mod0 (A191) = 190gr Sierra Match King at 2900fps
- Mk248Mod1 = 220gr Sierra Match King at 2830fps