In StockSave 8%
Sig Sauer M400 Sentry 5.56 NATO 30+1 16 Barrel Romeo5 GenII Red Dot FOXTROT-MSR Weaponlight Vertical Foregrip Black Rifle
Sold byBattleHawk Armory•Posted Apr 27, 2026
Compare prices for Sig Sauer M400-Sentry Semi Automatic Rifle 5.56x45mm NATO 16" Matte Threaded Barrel Black Frame Black Pistol Grip With Romeo5 Red Dot$1,749.99
$1,899.99
You save $150.00 (8% off)
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Deal Summary
- Currently in stock.
- Caliber: 223/5.56
- Category: optic
- UPC: 798681716128
- SKU: 798681716128
- Brand: Sig Sauer
Price History
Deal Details
Sig Sauer M400-Sentry SDI XSeries 5.56 NATO Rifle - 16" Barrel, ROMEO5 Gen II, Foxtrot Light, Vertical ForegripNow Available at BattleHawk Armory - A Complete, Ready-to-Go AR PackageThe Sig Sauer M400-Sentry SDI XSeries offers a turnkey solution for shooters seeking a high-performance 5.56 NATO rifle. This ready-to-go package includes a ROMEO5 GEN II red dot sight, FOXTROT-MSR(TM) Full-Size Rail-Mounted Light, and a vertical foregrip, all installed on the M400-SDI X platform-ensuring speed, prec
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Active offers from your catalog for Sig Sauer M400-Sentry Semi Automatic Rifle 5.56x45mm NATO 16" Matte Threaded Barrel Black Frame Black Pistol Grip With Romeo5 Red Dot.
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Lowest Price: $1,749.99
Highest Price: $1,749.99
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Sig Sauer M400 Sentry 5.56 NATO 30+1 16 Barrel Romeo5 GenII Red Dot FOXTROT-MSR Weaponlight Vertical Foregrip Black Rifle
Sig SauerBattleHawk ArmorySKU/UPC: 798681716128
$1,749.99$1,899.99Save 8%
View at BattleHawk Armory
Sig Sauer M400-Sentry Semi Automatic Rifle 5.56x45mm NATO 16" Matte Threaded Barrel Black Frame Black Pistol Grip With Romeo5 Red Dot
Sig SauerMidwayUSASKU/UPC: 414198
$1,749.99
View at MidwayUSA
SIG SAUER M400 5.56 NATO 16" 30rd - Black w/ ROMEO 5 Red Dot
Sig SauerKYGUNCOSKU/UPC: SGS-RM400-SDI-16B-R5FX
$1,749.99
View at KYGUNCO
M400-Sentry 5.56x45 Nato Semi-Auto Rifle With Romeo5 Genii - M400-Sentry 5.56x45 Nato 16''''bbl (1)30rd Black W/Romeo5 Genii
Sig Sauer, Inc.BrownellsSKU/UPC: 430113883
$1,749.99
View at Brownells
Sig RM400SDI16BR5FX M400 Sentry Pkg 5.56 NATO 30+1 16 Threaded BBL, Black Anod Pic Rail Alloy Steel Rcvr, M-LOK Handguard, 6 Pos Magpul SL Black Stock, Reduced Angle Grip, Foxtrot-MSR Full Size, Romeo5 Gen II Compact Red Dot Sight,Tactical Rifles
Sig SauerHinterland OutfittersSKU/UPC: 234913
$1,749.99
View at Hinterland Outfitters