SIG SAUER RM400 - The SIG Sauer M400 is an affordable high-quality AR-15 that is direct impingement gas-operated and chambered in 5.56x45mm (5.56 NATO). It features a rotating locking bolt a corrosion resistant Nitride-treated barrel and an aircraft-grade aluminum forged l...
$1,000.99
SIG SAUER M400 TREAD - The M400 TREAD features a free-floating M-LOK enhanced handguard that is lightweight yet rigid for extreme control and ease of mounting accessories such as lights and handstops. The lower receiver has an ambidextrous safety for right or left-handed o...
$1,076.99
.223 Remington Sig Sauer Guns Price Graph
- Today's .223 Remington Sig Sauer Guns average of $2,069.40 is more expensive than 89% of daily averages in the last 180 days.
- Today's low of $1,000.99 is more expensive than 96% of daily lows in the last 180 days.
- The average peaked at $2,316.49 on June 15, 2026 and bottomed at $1,587.86 on May 8, 2026.
Sigarms M400 Rifle RM40016BROSER5X210, 223 Rem/5.56 NATO, 16", Magpul SL Telescoping Stock, 30 Rds
$1,399.99
$1,399.99
Sig Sauer M400 ROSE AR 16" 223 Remington 556NATO 30 Rounds - Black, Rose Gold
$1,399.99
$1,399.99
SIGMCX, 5.56 NATO, RIFLE, 16IN, BLK, SEMI, FOLD STOCK, AL MLOK HG, (1) 30RD MAG
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Sig Sauer MCX Rattler LT Pistol Pistol PMCX-556N-7B-LT-PCB, 223 Rem, 7.75in, Folding Pistol Brace Grips, 30 Rds
$2,397.12
Sig Sauer MCX SPEAR-IR Rifle RMCX-556N-16B-IR, 223 Rem/5.56 NATO, 16", Coyote Finish, 30 Rds FREE SHIPPING
$2,599.99
$2,599.99
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SIG SAUER MCX-SPEAR LT with TANGO6T DVO, Trijicon Mount, SureFire Scout Light and Four Magazines - This SIG Sauer MCX-SPEAR LT is an exceptionally well-equipped 5.56 NATO/.223 Remington rifle presented in excellent overall condition with an excellent bore. Finished in SIG'...
$3,499.99