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SIG Sauer MCX 9-Inch .300 Blackout Black Pistol

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.

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