Model detail

Sig Sauer M400

Sig Sauer

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Variants

6

Local deals

77

Nationwide

77

Featured profile

Sig Sauer M400

Sig Sauer M400

Price summary

6 variants

Model variants 6
GunBroker listings 0

Specifications

Model essentials

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Category

Rifles

Subcategory

Semi Auto

Variant matrix

All variants (6)

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In Stock (40)

Sig Sauer M400 Rose 556 Nato 16" Barrel W/ Romeo5 Gen II RM400-16B-ROSE-R5X2 Sig Sauer M400 Rose 556 Nato 16" Barrel W/ Romeo5 Gen II RM400-16B-ROSE-R5X2Gunprime $1,299.99
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⭐ Featured SIG M400 ROSE 5.56 NATO 16" W/ - ROMEO 5 GENII (2)30RD BLACK SIG M400 ROSE 5.56 NATO 16" W/ - ROMEO 5 GENII (2)30RD BLACKGet Guns n Ammo $1,399.99
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Sig Sauer M400 Tread 5.56x45mm NATO Pistol 11.5" Barrel 30+1 Round Black Frame Black Pistol Brace Sig Sauer M400 Tread 5.56x45mm NATO Pistol 11.5" Barrel 30+1 Round Black Frame Black Pistol BraceMidwayUSA $1,014.99
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M400 TREAD 16" 10 Round 5.56 NATO AR15 Semi Auto Rifle - Black - CO Compliant M400 TREAD 16" 10 Round 5.56 NATO AR15 Semi Auto Rifle - Black - CO CompliantThe Real Grit $879.99
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Sig Sauer M400 Tread CA Compliant 5.56x45mm 16", Black - RM40016BTRDCA Sig Sauer M400 Tread CA Compliant 5.56x45mm 16", Black - RM40016BTRDCAPalmetto State Armory $976.99
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Sig Sauer M400 SDI X 5.56x45mm NATO Pistol 11.5" Barrel 30+1 Round Black Frame Black Pistol Brace Sig Sauer M400 SDI X 5.56x45mm NATO Pistol 11.5" Barrel 30+1 Round Black Frame Black Pistol BraceMidwayUSA $1,499.99
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Sig Sauer RM400-SDI-16B-P M400 X-Series, 5.56 NATO, 16 Barrel, Ambi Controls, Blk, (1) 30RD MAG Sig Sauer RM400-SDI-16B-P M400 X-Series, 5.56 NATO, 16 Barrel, Ambi Controls, Blk, (1) 30RD MAGShooters Choice $1,649.99
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Sig Sauer M400-SDI X, 5.56mm, 16 Barrel, 1- 30rd Magazine, Moss Green, Rifle Sig Sauer M400-SDI X, 5.56mm, 16 Barrel, 1- 30rd Magazine, Moss Green, RifleBattleHawk Armory $1,599.99
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Sig Sauer M400-SDI X, 5.56mm, 11.5 Barrel, 1- 30rd Magazine, Pistol Sig Sauer M400-SDI X, 5.56mm, 11.5 Barrel, 1- 30rd Magazine, PistolBattleHawk Armory $1,499.99
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Sig Sauer M400 Tread V2 | 5.56 NATO | 16" | RM400-16B-TRD-V2G Sig Sauer M400 Tread V2 | 5.56 NATO | 16" | RM400-16B-TRD-V2GDarmok Firearms $1,098.00
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Sig Sauer M400 SDI XSeries, 5.56mm, 16 Barrel, 1- 30 Round Magazine, Black, Rifle Sig Sauer M400 SDI XSeries, 5.56mm, 16 Barrel, 1- 30 Round Magazine, Black, RifleBattleHawk Armory $1,499.99
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⭐ Featured SIG SAUER M400 X SERIES 5.56 RIFLE, 16" W/ RAIL, MAGPL STOCK, FLATBLDE TRIGGER SIG SAUER M400 X SERIES 5.56 RIFLE, 16" W/ RAIL, MAGPL STOCK, FLATBLDE TRIGGERGet Guns n Ammo $1,499.99
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M400 Tread Predator 2 16" 5 Round 5.56mm NATO AR15 Semi Auto Rifle - Black/Jungle Green Elite M400 Tread Predator 2 16" 5 Round 5.56mm NATO AR15 Semi Auto Rifle - Black/Jungle Green EliteThe Real Grit $1,140.43
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SIG SAUER(R) - RM40016BROSER5X210 - M400 ROSE 5.56 NATO 16" Semi Auto 30+1 Black Rifle SIG SAUER(R) - RM40016BROSER5X210 - M400 ROSE 5.56 NATO 16" Semi Auto 30+1 Black RifleAmmunition Depot $1,325.99
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⭐ Featured SIG SAUER M400 TREAD V2 5.56MM GRN 16" SIG SAUER M400 TREAD V2 5.56MM GRN 16"Get Guns n Ammo $1,020.99
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SIG RM400SDI16BMSGRN M400 SDI 556 16 GRN TELE SIG RM400SDI16BMSGRN M400 SDI 556 16 GRN TELEScorpius Tactical $1,599.99
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M400 Tread 16" 30 Round 223 Remington/5.56 NATO AR15 Semi Auto Rifle M400 Tread 16" 30 Round 223 Remington/5.56 NATO AR15 Semi Auto RifleThe Real Grit $979.95
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Sig Sauer M400 Rose Edition, 5.56mm, 16 Barrel, 2- 30rd Magazines, Romeo5 Gen 3 Red Dot, Rifle Sig Sauer M400 Rose Edition, 5.56mm, 16 Barrel, 2- 30rd Magazines, Romeo5 Gen 3 Red Dot, RifleBattleHawk Armory $1,399.99
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Sig Sauer RM400SDI16BDH3 M400 DH3 Competition 223 Wylde 30+1 16" Fluted Stainless Barrel, Titanium Cerakote Rec, Black Custom DH3 Adjustable Stock & Polymer Grip, 3 Chamber Compensator, Ambi Controls Sig Sauer RM400SDI16BDH3 M400 DH3 Competition 223 Wylde 30+1 16" Fluted Stainless Barrel, Titanium Cerakote Rec, Black Custom DH3 Adjustable Stock & Polymer Grip, 3 Chamber Compensator, Ambi ControlsScorpius Tactical $1,982.95
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Sig Sauer M400 556 Nato W/ Romeo5 Gen II & Foxtrot MSR SDI Sentry Rifle Package RM400-SDI-16B-R5FX Sig Sauer M400 556 Nato W/ Romeo5 Gen II & Foxtrot MSR SDI Sentry Rifle Package RM400-SDI-16B-R5FXGunprime $1,749.99
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SIG M400 PRO LE SIG M400 PRO LEPathfinder Militaria $1,125.00
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Sig Sauer M400 Tread 2.0 5.56 NATO 16" 30rd Rifle, Moss Green - RM400-16B-TRD-V2G Sig Sauer M400 Tread 2.0 5.56 NATO 16" 30rd Rifle, Moss Green - RM400-16B-TRD-V2GPalmetto State Armory $1,149.99
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⭐ Featured SIG SAUER M400 SDI MOSS GREEN 5.56 RIFLE, 16" W/ RAIL, MAGPL STOCK, FLATBLDE TRIGGER SIG SAUER M400 SDI MOSS GREEN 5.56 RIFLE, 16" W/ RAIL, MAGPL STOCK, FLATBLDE TRIGGERGet Guns n Ammo $1,599.99
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Sig Sauer M400 5.56 NATO 14.5in 30rd Pro SBR Sig Sauer M400 5.56 NATO 14.5in 30rd Pro SBRShooting Surplus $1,179.38
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SIG SAUER M400 SENTRY 5.56 RIFLE 16" BLACK ROMEO5 G2, FOXTROT MSR F.S. 1-30RD MAG SIG SAUER M400 SENTRY 5.56 RIFLE 16" BLACK ROMEO5 G2, FOXTROT MSR F.S. 1-30RD MAGScorpius Tactical $1,749.99
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Sig Sauer M400 Tread 5.56 NATO 16" 30rd Romeo5/Juliet2 Rifle Sig Sauer M400 Tread 5.56 NATO 16" 30rd Romeo5/Juliet2 RifleShooting Surplus $1,399.99
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Sig Sauer M400-Forge, 5.56mm, 16 CHF Barrel, 1- 30rd Magazine, Romeo-MSR Gen II 2 MOA Red Dot, Black, Rifle Sig Sauer M400-Forge, 5.56mm, 16 CHF Barrel, 1- 30rd Magazine, Romeo-MSR Gen II 2 MOA Red Dot, Black, RifleBattleHawk Armory $999.99
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Sig Sauer M400 Tread Rifle 5.56 NATO 30rd Magazine 16" 1/2x28 Threaded Barrel Stainless Steel and Black Sig Sauer M400 Tread Rifle 5.56 NATO 30rd Magazine 16" 1/2x28 Threaded Barrel Stainless Steel and BlackScorpius Tactical $1,034.86
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Sig Sauer M400 Tread 2.0 Semi Automatic Rifle 5.56x45mm NATO 17" Stainless Threaded Barrel Green Frame Moss Green Pistol Grip Sig Sauer M400 Tread 2.0 Semi Automatic Rifle 5.56x45mm NATO 17" Stainless Threaded Barrel Green Frame Moss Green Pistol GripMidwayUSA $1,014.99
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Sig Sauer RM400-16B-TRD-V2G M400 Semi Automatic, 5.56 NATO, 16" Tread V2 Collapsible Stock, M-LOK Handguard, Right Hand, 30 Round Capacity Rifle Sig Sauer RM400-16B-TRD-V2G M400 Semi Automatic, 5.56 NATO, 16" Tread V2 Collapsible Stock, M-LOK Handguard, Right Hand, 30 Round Capacity RifleBereli $1,199.99
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Sig Sauer M400 Tread 5.56 NATO 16 Inch 30 Rounds Moss Green Sig Sauer M400 Tread 5.56 NATO 16 Inch 30 Rounds Moss GreenShooting Surplus $1,199.99
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M400 Coil V2 Tread 5.56 Nato Semi-Auto Rifle W/Romeo 5 Gen Ii - M400 Coil V2 Tread 5.56nato 16''''bbl (1)30rd W/Romeo5 G2 Blk M400 Coil V2 Tread 5.56 Nato Semi-Auto Rifle W/Romeo 5 Gen Ii - M400 Coil V2 Tread 5.56nato 16''''bbl (1)30rd W/Romeo5 G2 BlkBrownells.com $1,109.99
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Sig Sauer(R) - RM400-16B-ROSE-R5X2 - M400 Rose Kit 5.56 NATO 30+1 16" Semi-Auto Black Rifle Sig Sauer(R) - RM400-16B-ROSE-R5X2 - M400 Rose Kit 5.56 NATO 30+1 16" Semi-Auto Black RifleAmmunition Depot $1,325.99
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Sig Sauer M400-SDI-16B-DH3 M400 DH3 AR 223 Wylde 16" Stainless Barrel Rifle Sig Sauer M400-SDI-16B-DH3 M400 DH3 AR 223 Wylde 16" Stainless Barrel RifleBereli $1,789.00
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Sig Sauer M400 SDI 5.56 NATO 16 Inch 30 Rounds Moss Green Cerakote Semi Auto Rifle Sig Sauer M400 SDI 5.56 NATO 16 Inch 30 Rounds Moss Green Cerakote Semi Auto RifleShooting Surplus $1,599.99
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Sig Sauer M400 TACPAC 5.56 NATO 16" 30rd Rifle, Black - RM400-16B-TRD-V2-TACPAC Sig Sauer M400 TACPAC 5.56 NATO 16" 30rd Rifle, Black - RM400-16B-TRD-V2-TACPACPalmetto State Armory $1,179.99
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SIG RM40016BTRDV2G M400 556 V2 16 30R MOSS SIG RM40016BTRDV2G M400 556 V2 16 30R MOSSScorpius Tactical $1,139.20
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SIG M400 TREAD V2 5.56 NATO - 16" M-PUL TELE STOCK MOSS SIG M400 TREAD V2 5.56 NATO - 16" M-PUL TELE STOCK MOSSMCM Tactical LLC $1,064.49
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SIG M400 5.56 14.5 SBR PRO BLK 30RD OFF DUTY SIG M400 5.56 14.5 SBR PRO BLK 30RD OFF DUTYBattleHawk Armory $1,175.00
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M400 X-Series 16" 30 Round 5.56x45mm NATO AR15 Semi Auto Rifle M400 X-Series 16" 30 Round 5.56x45mm NATO AR15 Semi Auto RifleThe Real Grit $1,499.99
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USED Sig Sauer M400 DH3 556 Nato Daniel Horner 3-Gun RM400-SDI-16B-DH3 USED Sig Sauer M400 DH3 556 Nato Daniel Horner 3-Gun RM400-SDI-16B-DH3Gunprime $1,629.00
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M400 X-Series 16" 30 Round 5.56x45mm NATO AR15 Semi Auto Rifle M400 X-Series 16" 30 Round 5.56x45mm NATO AR15 Semi Auto RifleThe Real Grit $1,499.99
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Sig Sauer RM400-SDI-16B-P M400 X-Series, 5.56 NATO, 16 Barrel, Ambi Controls, Blk, (1) 30RD MAG Sig Sauer RM400-SDI-16B-P M400 X-Series, 5.56 NATO, 16 Barrel, Ambi Controls, Blk, (1) 30RD MAGShooters Choice $1,649.99
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SIG RM40016BTRDV210 M400 556 16 10R BLK SIG RM40016BTRDV210 M400 556 16 10R BLKScorpius Tactical $1,034.72
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⭐ Featured SIG M400 ROSE 5.56 NATO 16" W/ - ROMEO 5 GENII (2)10RD BLACK SIG M400 ROSE 5.56 NATO 16" W/ - ROMEO 5 GENII (2)10RD BLACKGet Guns n Ammo $1,399.99
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Sig Sauer M400 Tread CA Compliant 5.56x45mm 16", Black - RM40016BTRDCA Sig Sauer M400 Tread CA Compliant 5.56x45mm 16", Black - RM40016BTRDCAPalmetto State Armory $976.99
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Sig Sauer M400 Tread Rifle 5.56 NATO 30rd Magazine 16" 1/2x28 Threaded Barrel Stainless Steel and Black Sig Sauer M400 Tread Rifle 5.56 NATO 30rd Magazine 16" 1/2x28 Threaded Barrel Stainless Steel and BlackScorpius Tactical $1,034.86
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Sig Sauer M400-SDI X, 5.56mm, 16 Barrel, 1- 30rd Magazine, Moss Green, Rifle Sig Sauer M400-SDI X, 5.56mm, 16 Barrel, 1- 30rd Magazine, Moss Green, RifleBattleHawk Armory $1,599.99
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M400 TREAD 16" 10 Round 5.56 NATO AR15 Semi Auto Rifle - Black - CO Compliant M400 TREAD 16" 10 Round 5.56 NATO AR15 Semi Auto Rifle - Black - CO CompliantThe Real Grit $879.99
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Sig Sauer RM400SDI16BDH3 M400 DH3 Competition 223 Wylde 30+1 16" Fluted Stainless Barrel, Titanium Cerakote Rec, Black Custom DH3 Adjustable Stock & Polymer Grip, 3 Chamber Compensator, Ambi Controls Sig Sauer RM400SDI16BDH3 M400 DH3 Competition 223 Wylde 30+1 16" Fluted Stainless Barrel, Titanium Cerakote Rec, Black Custom DH3 Adjustable Stock & Polymer Grip, 3 Chamber Compensator, Ambi ControlsScorpius Tactical $1,982.95
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SIG M400 5.56 14.5 SBR PRO BLK 30RD OFF DUTY SIG M400 5.56 14.5 SBR PRO BLK 30RD OFF DUTYBattleHawk Armory $1,175.00
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Sig Sauer RM400-16B-TRD-V2G M400 Semi Automatic, 5.56 NATO, 16" Tread V2 Collapsible Stock, M-LOK Handguard, Right Hand, 30 Round Capacity Rifle Sig Sauer RM400-16B-TRD-V2G M400 Semi Automatic, 5.56 NATO, 16" Tread V2 Collapsible Stock, M-LOK Handguard, Right Hand, 30 Round Capacity RifleBereli $1,199.99
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M400 Coil V2 Tread 5.56 Nato Semi-Auto Rifle W/Romeo 5 Gen Ii - M400 Coil V2 Tread 5.56nato 16''''bbl (1)30rd W/Romeo5 G2 Blk M400 Coil V2 Tread 5.56 Nato Semi-Auto Rifle W/Romeo 5 Gen Ii - M400 Coil V2 Tread 5.56nato 16''''bbl (1)30rd W/Romeo5 G2 BlkBrownells.com $1,109.99
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Sig Sauer M400 Tread 5.56 NATO 16 Inch 30 Rounds Moss Green Sig Sauer M400 Tread 5.56 NATO 16 Inch 30 Rounds Moss GreenShooting Surplus $1,199.99
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Sig Sauer PM400-11B-TRD-V2 M400 Tread V2 Pistol, 5.56 NATO, 11.5, Magpul Brace, (1) 30RD MAG Sig Sauer PM400-11B-TRD-V2 M400 Tread V2 Pistol, 5.56 NATO, 11.5, Magpul Brace, (1) 30RD MAGShooters Choice $1,099.99
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SIG M400 PRO LE SIG M400 PRO LEPathfinder Militaria $1,125.00
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SIG RM400SDI16BMSGRN M400 SDI 556 16 GRN TELE SIG RM400SDI16BMSGRN M400 SDI 556 16 GRN TELEScorpius Tactical $1,599.99
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SIG RM400SDI16BFDE M400 SDI 556 16 FDE TELE SIG RM400SDI16BFDE M400 SDI 556 16 FDE TELEScorpius Tactical $1,599.99
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SIG SAUER M400 ROSE 5.56MM 16" ROM5 10+1 SIG SAUER M400 ROSE 5.56MM 16" ROM5 10+1MCM Tactical LLC $1,399.99
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Sig Sauer M400 SDI X 5.56x45mm NATO Pistol 11.5" Barrel 30+1 Round Black Frame Black Pistol Brace Sig Sauer M400 SDI X 5.56x45mm NATO Pistol 11.5" Barrel 30+1 Round Black Frame Black Pistol BraceMidwayUSA $1,499.99
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SIG RM40016BTRDV2CA *CA*M400 556 16 TRD V2 10R SIG RM40016BTRDV2CA *CA*M400 556 16 TRD V2 10RScorpius Tactical $1,034.85
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SIG RM40016BTRDV2G M400 556 V2 16 30R MOSS SIG RM40016BTRDV2G M400 556 V2 16 30R MOSSScorpius Tactical $1,139.20
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SIG M400 ROSE 5.56 NATO 16" W/ - ROMEO 5 GENII (2)30RD BLACK SIG M400 ROSE 5.56 NATO 16" W/ - ROMEO 5 GENII (2)30RD BLACKPathfinder Militaria $1,399.99
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Sig Sauer M400 SDI 5.56 NATO 16 Inch 30 Rounds Moss Green Cerakote Semi Auto Rifle Sig Sauer M400 SDI 5.56 NATO 16 Inch 30 Rounds Moss Green Cerakote Semi Auto RifleShooting Surplus $1,599.99
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Sig Sauer M400 Rose Semi Automatic Rifle 5.56x45mm NATO 16" Black Threaded Barrel Black Frame Black Pistol Grip With Scope Sig Sauer M400 Rose Semi Automatic Rifle 5.56x45mm NATO 16" Black Threaded Barrel Black Frame Black Pistol Grip With ScopeMidwayUSA $1,399.99
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SIG SAUER M400 SDI RM400SDI16BP | 5.56 NATO | 16" SIG SAUER M400 SDI RM400SDI16BP | 5.56 NATO | 16"Darmok Firearms $1,472.00
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⭐ Featured SIG SAUER M400 SDI MOSS GREEN 5.56 RIFLE, 16" W/ RAIL, MAGPL STOCK, FLATBLDE TRIGGER SIG SAUER M400 SDI MOSS GREEN 5.56 RIFLE, 16" W/ RAIL, MAGPL STOCK, FLATBLDE TRIGGERGet Guns n Ammo $1,599.99
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Sig M400-DH3 .223 Wylde 16" 30rd Rifle -M400-SDI-16B-DH3 Sig M400-DH3 .223 Wylde 16" 30rd Rifle -M400-SDI-16B-DH3Palmetto State Armory $1,999.99
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Sig Sauer M400-SDI X, 5.56mm, 11.5 Barrel, 1- 30rd Magazine, Pistol Sig Sauer M400-SDI X, 5.56mm, 11.5 Barrel, 1- 30rd Magazine, PistolBattleHawk Armory $1,499.99
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M400 Tread Predator 2 16" 5 Round 5.56mm NATO AR15 Semi Auto Rifle - Black/Jungle Green Elite M400 Tread Predator 2 16" 5 Round 5.56mm NATO AR15 Semi Auto Rifle - Black/Jungle Green EliteThe Real Grit $1,140.43
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⭐ Featured SIG SAUER M400 TREAD V2 5.56MM GRN 16" SIG SAUER M400 TREAD V2 5.56MM GRN 16"Get Guns n Ammo $1,020.99
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SIG SAUER(R) - RM40016BROSER5X210 - M400 ROSE 5.56 NATO 16" Semi Auto 30+1 Black Rifle SIG SAUER(R) - RM40016BROSER5X210 - M400 ROSE 5.56 NATO 16" Semi Auto 30+1 Black RifleAmmunition Depot $1,325.99
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Sig Sauer PM400-11B-TRD-V2 M400 Tread V2 5.56 NATO 11.5" Barrel, M-LOK Handguard, Magpul BSL Sig Sauer PM400-11B-TRD-V2 M400 Tread V2 5.56 NATO 11.5" Barrel, M-LOK Handguard, Magpul BSLBereli $949.99
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Sig Sauer M400 X-Series 5.56 NATO 16 Inch 30 Rounds Anodized Semi-Automatic Sig Sauer M400 X-Series 5.56 NATO 16 Inch 30 Rounds Anodized Semi-AutomaticShooting Surplus $1,499.99
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Sig Sauer M400 SDI Semi Automatic Rifle 5.56x45mm NATO 16" Black Threaded Barrel Anodized Black Frame Black Pistol Grip Sig Sauer M400 SDI Semi Automatic Rifle 5.56x45mm NATO 16" Black Threaded Barrel Anodized Black Frame Black Pistol GripMidwayUSA $1,499.99
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Sig Sauer M400 Tread 5.56x45mm NATO Pistol 11.5" Barrel 30+1 Round Black Frame Black Pistol Brace Sig Sauer M400 Tread 5.56x45mm NATO Pistol 11.5" Barrel 30+1 Round Black Frame Black Pistol BraceMidwayUSA $1,014.99
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Sig Sauer M400 Tread V2 | 5.56 NATO | 16" | RM400-16B-TRD-V2G Sig Sauer M400 Tread V2 | 5.56 NATO | 16" | RM400-16B-TRD-V2GDarmok Firearms $1,098.00
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M400 Tread 2.0 5.56x45 Nato Semi-Auto Rifle - M400 Tread 2.0 5.56x45 Nato 16'''' Bbl (1)30rd Mag Concrete M400 Tread 2.0 5.56x45 Nato Semi-Auto Rifle - M400 Tread 2.0 5.56x45 Nato 16'''' Bbl (1)30rd Mag ConcreteBrownells.com $1,069.99
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Sig Sauer M400 Tread 5.56 NATO 16" 30rd Romeo5/Juliet2 Rifle Sig Sauer M400 Tread 5.56 NATO 16" 30rd Romeo5/Juliet2 RifleShooting Surplus $1,399.99
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Sig Sauer M400 Tread 2.0 Semi Automatic Rifle 5.56x45mm NATO 17" Stainless Threaded Barrel Green Frame Moss Green Pistol Grip Sig Sauer M400 Tread 2.0 Semi Automatic Rifle 5.56x45mm NATO 17" Stainless Threaded Barrel Green Frame Moss Green Pistol GripMidwayUSA $1,014.99
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