SIG SAUER M400 SENTRY PACKAGE - 5.56 NATO 30+1 16" Threaded Barrel,

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SIG SAUER M400 SENTRY PACKAGE - 5.56 NATO 30+1 16" Threaded Barrel,

UPC 798681716128 from 55 retailers

  • 5.56x45mm
  • Sig Sauer
Shipping:
SIGM400 SDI, 5.56 NATO, RIFLE, 16IN, X RIFLE, BLK, SEMI, TELE STOCK, (1) 30RD MAG, ROMEO5 GEN II, FOXTROT-MSR FULL SIZE
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$1,543.36 DK Gun & Dog ★★★★★ (56)
Sig Sauer M400-SDI Sentry Rifle 5.56 NATO 30rd Magazine 16" Barrel Black with Romeo5 Gen II Foxtrot
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$1,647.24 Ferrari Firearms

UPC 798681716128 Price Graph

Today's low is $1,543.36, 11% below the 180-day average low of $1,726.18. Over the last 180 days, the lowest price peaked at $1,799.99 on June 29, 2026 and bottomed at $1,543.36 on September 6, 2026.

SIG SAUER M400 SENTRY 5.56 NATO 16" ROMEO5 Combo
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$1,749.99 Brickhouse Firearms
Sig Sauer M400 SDI AR 16" 5.56 NATO 30rd - Black
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$1,749.99 Skid Tactical ★★★★★ (63)
M400 SDI SENTRY COMBO 5.56 16" MLOK BLACK 30RD
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$1,749.99 Timber Hole Outdoors ★★★★★ (5)
SIG SAUER M400 SENTRY 5.56 RIFLE 16" BLACK ROMEO5 G2, FOXTROT MSR F.S. 1-30RD MAG
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$1,749.99 Caliber Exchange ★★★★★ (1)
SIG SAUER M400 SENTRY 5.56 RIFLE 16" BLACK ROMEO5 G2, FOXTROT MSR F.S. 1-30RD MAG
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$1,749.99 Life2A ★★★★★ (3)
Sig Sauer M400 SDI Sentry 5.56 NATO 16 in 30rd ROMEO5
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$1,749.99 Axolotl Arms ★★★★★ (126)
SIG SAUER M400 SENTRY 5.56 RIFLE 16" BLACK ROMEO5 G2, FOXTROT MSR F.S. 1-30RD MAG
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$1,749.99 Cummings Family Firearms ★★★★★ (52)
Sig Sauer M400 SDI XSeries 5.56MM 16 Inch Semi-Automatic Rifle
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$1,749.99 Shooting Surplus ★★★★★ (193)

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SIG SAUER M400 SENTRY 5.56 RIFLE 16" BLACK ROMEO5 G2, FOXTROT MSR F.S. 1-30RD MAG
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$1,749.99 Kinetic Armory ★★★★★ (3)
SIG M400 SENTRY RFL 5.56 30RD
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$1,749.99 Riddle Firearms
SIG SAUER M400 SENTRY 5.56 RIFLE 16" BLACK ROMEO5 G2, FOXTROT MSR F.S. 1-30RD MAG
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$1,749.99 Garrison's Guns ★★★★★ (21)
SIG SAUER M400 SENTRY 5.56MM 16" ROMEO5
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$1,749.99 Nadir Solutions ★★★★★ (18)
SIG RM400SDI16BR5FX M400 SDI 556 16 BLK TELE
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$1,749.99 Canoe Creek Armory ★★★★★ (17)
SIG SAUER M400 SENTRY 5.56MM 16" ROMEO5
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$1,749.99 Safe Haven Defense
SIG M400 SDI 556NATO 16" BLK ROMEO5
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$1,749.99 Bunker Hill Ballistics ★★★★★ (9)
SIG RM400SDI16BR5FX M400 SDI 556 16 BLK TELE
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$1,749.99 Armed in Michigan ★★★★★ (714)
SIG SAUER M400 SENTRY 5.56MM 16" ROMEO5
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$1,749.99 Minutemen Defense ★★★★★ (54)
Sig Sauer M400 SDI Sentry 5.56 NATO 16in Rifle with ROMEO5 & Light
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$1,749.99 Alexander's Store ★★★★★ (1,532)
SIG SAUER M400 SENTRY 5.56MM 16" ROMEO5
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$1,749.99 AZ Arms Depot ★★★★★ (229)
SIG SAUER M400 SENTRY 5.56 RIFLE 16" BLACK ROMEO5 G2, FOXTROT MSR F.S. 1-30RD MAG
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$1,749.99 Riflenetics ★★★★★ (65)
SIG SAUER M400 SENTRY 5.56MM 16" ROMEO5
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$1,749.99 Blackbox Ballistics ★★★★★ (2)
SIG RM400SDI16BR5FX M400 SDI 556 16 BLK TELE
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$1,749.99 Sharp's Shooting Supply ★★★★★ (34)
SIG SAUER M400 SENTRY PACKAGE - 5.56 NATO 30+1 16" Threaded Barrel, Black Anodized Picatinny Rail Alloy Steel Receiver, M-LOK Handguard, 6 Pos Magpul SL Black Stock, Reduced Angle Grip, Foxtrot-MSR Full Size, Romeo5 Gen II Compact Red Dot Sight The M400 Sentry offers a re...
Shipping $20
$1,749.99 Guns.com ★★★★★ (38,455)
SIG SAUER M400 SENTRY 5.56 RIFLE 16" BLACK ROMEO5 G2, FOXTROT MSR F.S. 1-30RD MAG
Shipping $20
$1,749.99 Custom Creatives Group ★★★★★ (24)
SIG SAUER M400 SENTRY 5.56 RIFLE 16" BLACK ROMEO5 G2, FOXTROT MSR F.S. 1-30RD MAG
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$1,749.99 Scottsodg.com
SIG Sauer M400 SDI Rifle, 5.56 NATO, 16-Inch Barrel, 30-Round
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$1,749.99 Deerford Defense
SIG M400 SDI 5.56mm 16" Black Tactical Rifle 798681716128
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$1,749.99 Gun Place ★★★★★ (206)
M400-SENTRY 5.56X45 NATO 16''BBL (1)30RD BLACK W/ROMEO5 GENII
$1,749.99 Allied Arms ★★★★★ (310)
SIG RM400SDI16BR5FX M400 SDI 556 16 BLK
$1,749.99 Tungsten Creek Tactical
SIGM400 SDI, 5.56 NATO, RIFLE, 16IN, X RIFLE, BLK, SEMI, TELE STOCK, (1) 30RD MAG, ROMEO5 GEN II, FOXTROT-MSR FULL SIZE
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$1,749.99 Gun Wise
Sig M400 Sdi 556NATO 16" BLK ROMEO5
$1,749.99 Shiner Tactical ★★★★★ (6)
SIG SAUER M400 SENTRY 5.56 RIFLE 16" BLACK ROMEO5 G2, FOXTROT MSR F.S. 1-30RD MAG
$1,749.99 Pickett's Mill Armory ★★★★★ (26)
SIG SAUER M400 SENTRY 5.56 RIFLE 16" BLACK ROMEO5 G2, FOXTROT MSR F.S. 1-30RD MAG
$1,749.99 Big Bee Bee ★★★★★ (11)
SIG SAUER M400 SENTRY 5.56 RIFLE 16" BLACK ROMEO5 G2, FOXTROT MSR F.S. 1-30RD MAG
$1,749.99 Birmingham Hill Armory ★★★★★ (16)
SIG SAUER M400 SENTRY 5.56MM 16" ROMEO5
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Sig Sauer M400 SDI 5.56 NATO Semi-Auto Sentry Rifle Package
$1,749.99 Palmetto State Armory ★★★★★ (1,164)
SIG RM400SDI16BR5FX M400 SDI 556 16 BLK TELE
$1,749.99 Highland Arms ★★★★★ (49)
Sig Sauer M400-SDI Sentry Rifle 5.56 NATO 30rd Magazine 16" Barrel Black with Romeo5 Gen II Foxtrot
$1,749.99 EK Tactical ★★★★★ (10)
SIG SAUER M400 SENTRY 5.56 RIFLE 16" BLACK ROMEO5 G2, FOXTROT MSR F.S. 1-30RD MAG
$1,749.99 WTW Arms ★★★★★ (68)
SIG RM400SDI16BR5FX M400 SDI 556 16 BLK TELE
$1,749.99 Black Bayou Armory ★★★★★ (83)
Sig Sauer M400-SDI Sentry Rifle 5.56 NATO 30rd Magazine 16" Barrel Black with Romeo5 Gen II Foxtrot
$1,749.99 MCM Tactical ★★★★★ (60)
SIG SAUER M400 SENTRY 5.56 Rifle with ROMEO5 G2
$1,749.99 Good 4 Guns ★★★★★ (276)
Sig Sauer M400 SDI SENTRY COMBO 5.56 16" MLOK BLACK 30RD
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$1,758.99 BuyAGun ★★★★★ (3)
SIG M400 SENTRY RFL 5.56 30RD
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$1,762.46 Lightning Strike Arms ★★★★★ (32)
SIG SAUER M400 SENTRY 5.56MM 16" ROMEO5
$1,762.99 2 If By Sea Tactical ★★★★★ (135)
SIG SAUER M400 SENTRY 5.56MM 16" ROMEO5
$1,777.65 Redsand Tactical
SIG SAUER M400 SENTRY 5.56MM 16" ROMEO5
$1,780.80 Firearms Express
Sig Sauer M400 Sentry 798681716128 5.56 mm NATO
$1,785.99 C-ME Firearms
Sig Sauer M400 Sentry 798681716128 5.56 mm NATO
$1,792.99 Denver Bullets ★★★★★ (95)
SIG M400 SDI X 5.56 NATO 16" - 30RD TELE STOCK W/OPTIC COMBO
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$1,807.99 Timberlake Firearms ★★★★★ (11)
SIG SAUER M400 SENTRY 5.56 RIFLE 16" BLACK ROMEO5 G2, FOXTROT MSR F.S. 1-30RD MAG
$1,911.99 Coastal Firearms
SIG SAUER M400 SENTRY 5.56 RIFLE 16" BLACK ROMEO5 G2, FOXTROT MSR F.S. 1-30RD MAG
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$1,916.31 Freedom Firearms ★★★★★ (2)
SIG SAUER M400 SENTRY 5.56MM 16" ROMEO5
$2,022.75 Bulletproof Outfitters ★★★★★ (133)

UPC 798681716128 Price Graph

Today's low is $1,543.36, 11% below the 180-day average low of $1,726.18. Over the last 180 days, the lowest price peaked at $1,799.99 on June 29, 2026 and bottomed at $1,543.36 on September 6, 2026.

Daily Deals Email

Products at their 90-day low price.

Unsubscribe anytime with one click.

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