Sig Sauer M400 Forge Concrete – Complete 5.56 Rifle

Description

The Sig Sauer M400 Forge Concrete arrives as a complete rifle in a gray Cerakote that reads as understated rather than tactical. MAG5 Firearms stocks it with a 16-inch barrel, a free-float M-LOK handguard, a Magpul SL-K stock and a ROMEO MSR Gen II red dot already included.

A Rifle That Is Ready on Day One

A bare AR-15 needs a sight before it is useful, and a decent red dot is a real expense on its own. The Sig Sauer M400 Forge Concrete includes a ROMEO MSR Gen II, so the rifle goes to the range and works rather than waiting on a second purchase.

That is the practical case for a package rifle over a bare carbine at a similar price.

Sig Sauer M400 Forge Concrete Barrel and Handguard

A 16-inch barrel is the practical minimum for a rifle without NFA paperwork, and it keeps 5.56 running at the velocities the cartridge was designed around.

The free-float M-LOK handguard does not touch the barrel, so a sling or bipod load does not shift point of impact. Slots along the sides and bottom take lights and hand stops directly without rail sections.

Sig Sauer M400 Forge Concrete Specifications

The Concrete Gray Cerakote

Cerakote is a ceramic coating baked onto the metal. It is harder than anodizing and far more corrosion resistant than parkerizing, which matters on a rifle that sees weather rather than a safe.

Gray also hides handling wear better than black, and it makes this configuration easy to pick out in a rack of similar carbines.

Stock, Grip and Optics Mounting

A Magpul SL-K stock adjusts for length of pull, so the Sig Sauer M400 Forge Concrete fits a shooter in shirtsleeves and the same shooter in a plate carrier without swapping parts.

A continuous top rail keeps the included optic in plane with a magnifier or a night vision device if either gets added later.

Availability and Transfer

MAG5 Firearms is a licensed FFL dealer in Pennsylvania. This rifle ships new in the factory box with the magazine, the optic and SIG documentation, transferred through your local FFL.

It feeds standard AR-15 magazines, so magazines, ammunition and accessories are inexpensive and universally available.

Other Sig Sauer M400 Forge Concrete rifles and complete AR packages are listed in our rifle catalog. Factory specifications are published by SIG SAUER.

Every Sig Sauer M400 Forge Concrete sold by MAG5 Firearms ships new in the factory packaging with the accessories SIG SAUER includes, and transfers to your chosen FFL. The Sig Sauer M400 Forge Concrete is a regulated firearm and we verify licensing before any order leaves the shop.