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5.56x45mm NATO Sig Sauer Firearms

Shop now for in stock Sig Sauer Pistols and Rifles. We carry a great variety of Sig's offerings, including the P365, P320 Flux, MPX , MCX Spear, Sig M400 Tread and classics like the Sig P226, Sig P220 & more!

Sig Sauer is a top tier manufacturer of military grade firearms and accessories. From their legendary P226 to the P320, nothing beats the quality and workmanship of a Sig.

For more information about all things Sig, check out the Sig Sauer official website.

In stock - Eden Prairie

$999.99

Sig M400 Forge Pistol, 5.56 NATO, 11.5" Barrel, Matte Finish, Black, Magpul BSL Pistol Stabilizing Brace, Romeo-MSR GenII 2 MOA Red Dot, 30 Rounds, 1 Magazine PM400-556N-11B-FORGE AR-15 Style Pistol

In stock - Eden Prairie

$1,999.99

Sig 516 Mohawk 556NATO, 16" Barrel, Threaded 1/2X28, SIG Flash Hider-Compensator, Short-Stroke Piston Adjustable Gas System, Free Float M-LOK Handguard, Matchlite Duo Curved Trigger, Magpul DT Stock, 1 30rd Mag, Semi-automatic Rifle, AR

Available to order

$1,399.99

Sig NG556C Compact Suppressor 556NATO, Inconel, High Temperature Cerakote Finish, Black, 14.6oz, Quick Detach, Includes Quick Detach Mount/Muzzle Brake NG556C-QD

MCX Rattler LT, Semi-automatic Pistol, AR, 556NATO, 11.5" Threaded Barrel, Cerakote Finish, Flat Dark Earth, Pistol Brace, 30 Rounds, 1 Magazine PMCX-556N-11B-IR

Out of stock

$2,593

Sig MCX Rattler LT, Semi-automatic Pistol, AR, 556NATO, 11.5" Threaded Barrel, Cerakote Finish, Flat Dark Earth, Pistol Brace, 30 Rounds, 1 Magazine PMCX-556N-11B-IR

NG556 QD Suppressor 556NATO, Inconel, High Temperature Cerakote Finish, Black, 19.4oz, Quick Detach, Includes QD Mount/Muzzle Brake NG556-QD

Out of stock

$1,547

Sig NG556 QD Suppressor 556NATO, Inconel, High Temperature Cerakote Finish, Black, 19.4oz, Quick Detach, Includes QD Mount/Muzzle Brake NG556-QD

M400 Forge, Semi-automatic, Rifle, 5.56 NATO, 16" Barrel, Matte Finish, Black, Adjustable Stock, Romeo-MSR GenII 2 MOA Red Dot, 10 Rounds, 1 Magazine RM400-556N-16B-FORGE-10

Out of stock

$1,036

Sig M400 Forge, Semi-automatic, Rifle, 5.56 NATO, 16" Barrel, Matte Finish, Black, Adjustable Stock, Romeo-MSR GenII 2 MOA Red Dot, 10 Rounds, 1 Magazine RM400-556N-16B-FORGE-10

Out of stock

$999.99

Sig M400 Forge Rifle, 5.56 NATO, 16" Barrel, Adjustable Stock, Romeo-MSR GenII 2 MOA Red Dot, 30 Rounds, 1 Magazine RM400-556N-16B-FORGE Semi-automatic AR-15

Hexium, Suppressor, 5.56MM, Black, Inconel Construction, HUB Compatible, Direct Thread Mount HEXIUM556INC

Out of stock

$935

Sig Hexium, Suppressor, 5.56MM, Black, Inconel Construction, HUB Compatible, Direct Thread Mount HEXIUM556INC

Out of stock

$1,275

USED Sig Sauer MCX Patrol, 5.56mm NATO, 16" Barrel, 1 Magazine, Folding Stock, Black, Original Box

Out of stock

$925

Sig SLX556C Compact Suppressor, 556NATO, Inconel, High Temp Cerakote, Black, 12.6oz, Direct Thread SLX556C

MCX-R REGULATOR, Semi-Automatic Rifle, 5.56NATO, 16" Barrel, Sig 2-Port Muzzle Brake, Cerakote Finish, Coyote, M-LOK Free Float Handguard, Magpul SGA590 Stock, Ambidextrous Safety and Magazine Release, 10 Rounds, 1 Magazine RMCXR-556N-16B

Out of stock

$2,999.99

Sig MCX-R REGULATOR, Semi-Automatic Rifle, 5.56NATO, 16" Barrel, Sig 2-Port Muzzle Brake, Cerakote Finish, Coyote, M-LOK Free Float Handguard, Magpul SGA590 Stock, Ambidextrous Safety and Magazine Release, 10 Rounds, 1 Magazine RMCXR-556N-16B

MCX-R REGULATOR, Semi-Automatic Rifle, 5.56NATO, 16" Barrel, Sig 2-Port Muzzle Brake, Cerakote Finish, Coyote, M-LOK Free Float Handguard, ROMEO 2 Red Dot Sight, Magpul SGA590 Stock, Ambidextrous Safety and Magazine Release, 10 Rounds, 1 Magazine RMCXR-5

Out of stock

$3,499.99

Sig MCX-R REGULATOR, Semi-Automatic Rifle, 5.56NATO, 16" Barrel, Sig 2-Port Muzzle Brake, Cerakote Finish, Coyote, M-LOK Free Float Handguard, ROMEO 2 Red Dot Sight, Magpul SGA590 Stock, Ambidextrous Safety and Magazine Release, 10 Rounds, 1 Magazine RMCXR-5