Cobalt Ballistics Blog

Two important lessons from the range today:
1. The MPX hates the trilug.
2. A sling stuck under the charging handle can shut the gun down hard.

First lesson: 10-shot groups with a 3x magnifier from a rest at 50 yards with a Rugged Obsidian on a trilug produced crummy groups:
Gold Dot 147: 6".
Hy...

Pick your “truck gun”:
4” MPX (9mm) vs 10.5” AR (5.56mm). What’s your pick and why?

Weight - Same (8 lb 2 oz).
Overall length - Same (when MPX is suppressed).
Accuracy – 5.56mm (1” vs 3” at 50 yards).
Range – 5.56mm = 300-400 yards. 9mm = 100.
Capacity – Same (30 rounds).
Lethality – With typ...

I know a cartridge can’t make your barrel longer, but can it make it act like a longer barrel?

As it turns out, yes. We used a 55-grain open tip and a bonded soft point. For each option, we selected both 5.56 (hot) and .223 (normal) pressures as loaded from the factory.
The results showed tha...

Meet your lead instructor: Jeremy.

Jeremy has 32 years federal experience. Twenty-one of those were as a Special Agent and member of an elite Federal SWAT team. There he served as a trauma medic, firearms instructor, assaulter, assault team leader, senior tactical instructor, sniper, sniper team...

Coming soon: Cobalt is your source for concealed-carry permits, premium firearms sales, and accredited police training. Accredited training will include firearms instructor development, close quarters carbine, and advanced sniper training.

Cobalt is your one-stop shop from the new gun owner to t...

Overwatch and counter-sniper training.

Welcome to Cobalt Ballistics. Cobalt provides premier firearms and tactical instruction on a contract basis with a cadre of experienced military and law-enforcement professionals. We are veteran-owned and run.
We are under an exclusive federal government contract until 2023. Civilian services wi...