
The SIG Sauer MCX is a semi-automatic .300 Blackout pistol with a 9-inch barrel and a black finish. Its gas-piston operating system and polymer grip support steady cycling, and the ambidextrous manual safety works from either side. A full-length top rail makes the platform optic ready. It weighs 7.9 pounds, measures 28.5 inches overall and is supplied without factory sights, and it accepts 30-round magazines.
In New York this pistol suits range and home defense buyers who want a .300 Blackout platform with a 30+1 capacity and an optic-ready rail. A New York pistol license must be on file before a dealer transfers a handgun, and the semiautomatic rifle license noted on this page also applies to semi-automatic rifles. Confirm which license applies to this model before you order.
Key features
- .300 Blackout, 9-inch barrel, black finish
- Gas-piston operating system
- 30+1 capacity, 7.9 pounds
- Full-length top rail, optic ready
- Ambidextrous manual safety
This pistol ships to your chosen New York FFL dealer, where you complete Form 4473 and the background check before pickup.
SIG Sauer MCX 9-Inch .300 Blackout Black Pistol: quick facts
- What caliber is the SIG Sauer MCX 9-Inch .300 Blackout Black Pistol?
- It is chambered in .300 Blackout.
- How many rounds does it hold?
- 30+1 rounds.
- How big and heavy is it?
- Barrel length 9 inches, overall length 28.5 inches, weight 7.9 pounds.
- What kind of action does it use?
- Semi-Automatic.
- Is it optic ready or threaded?
- Optic ready: Yes; threaded barrel: Yes.
- What sights and finish does it have?
- Sights: Standard Sights; finish: Black.
- Is it new or used?
- New, in the original packaging.
- Can I buy it in New York?
- Yes. It ships to a licensed FFL dealer in New York; you pick it up there after the background check. A New York pistol license is required before any dealer can transfer a handgun to you; the gun then ships to your chosen New York FFL and is added to your license.
- Is it in stock?
- Yes, at $2642.11. Orders leave within 1-2 business days; shipping is free over $999.







