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SIG SAUER M400 Tread SDI Xseries

rifle ar15 5.56x45mm sigsauer

MidwestGunWorks.com has the best offer of $1499.99, with no recent change in price, across a total of 9 listings.

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Sig Sauer M400 SDI XSeries AR-15 Rifle 5.56 Layaway Option RM400-SDI-16B-P	GunBroker.com	$1379.99+	2025/5/29
Sig Sauer M400 SDI XSERIES Rifle, 5.56mm 16" Barrel	MidwestGunWorks.com	$1499.99	2025/5/29
Sig Sauer M400 X-Series SDI, 5.56mm NATO, 16" BBL, 30rd	OsageCountyGuns.com	$1499.99	2025/5/29
SIG SAUER, INC. - M400 SDI XSERIES 5.56X45 NATO SEMI-AUTO RIFLE	Brownells.com	$1499.99	2025/5/29
Sig Sauer M400 SDI XSeries 5.56NATO 16" Barrel 30+1	GunBuyer.com	$1499.99	2025/5/29
Sig M400 XSERIES SDI 5.56/.223, 16" Barrel, Black, 30rd	ImpactGuns.com	$1499.99	2025/5/29
SIG SAUER M400 SDI 5.56 NATO 16" 30RD BLACK XSERIES TELE MLOK	GunBroker.com	$1679.99+	2025/5/27
(SN: 21P019570) Sig Sauer M400 SDI X-Series Rifle 5.56 Nato (NGZ5729) NEW	CollectorsFirearms.com	$1699.95	2025/5/29
Sig Sauer M400 Sdi X-Series 5.56X45MM Nato Rifle 16 in barrel 30 rd capac	GunBroker.com	$1581.47+	2025/5/26