Both the 9mm and .300 Blackout are popular subsonic/supersonic carbine cartridges that can tackle some of the same jobs.
Opinion
Modern Engineering Marvels on MSNOpinion

Why the FBI returned to 9mm for bullet performance, not caliber myth

“It was more a matter of bullet construction than caliber.” That line from retired FBI firearms veteran Bill Vanderpool captures why one of the most argued-about handgun debates ended, at least inside ...
An operating room surgeon or medical examiner cannot reliably tell the difference between wounds from common service handgun ...
Insanity mode is Resident Evil Requiem's biggest challenge, so we've got a full breakdown of all the differences to make it a ...
On the surface, the RXM appears to be similar to the Glock G19-inspired selection of striker-fired, polymer-frame pistols on ...
Live-fire trials of the AH-64 with XM1225 APEX ammunition come as both U.S. and Russian attack helicopters experiment with proximity-fused cannon rounds to defeat small UAVs. The U.S. Army conducted ...
Warzone Season 2 Reloaded has arrived, bringing with it Black Ops Royale, the Altitude Tactics event, the return of Wingsuits, weapon archetypes, and much ...
The United States Army is moving to overhaul its munitions infrastructure by setting up ...
I am one of the few Arkansas deer hunters that still uses a muzzleloader, but my favorite muzzleloader -- a Knight KRB7 -- ...
Canik USA built out its concealed-carry handgun lineup with the MC9 Prime, which is a larger, yet still slim, CCW gun that sits in the same category as other upsized micro-compacts.