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SIG SAUER M400 Tread SDI Xseries

rifle ar15 5.56x45mm sigsauer
CollectorsFirearms.com has the best offer of $1499.95, with no recent change in price, across a total of 6 listings.
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Current Listings
(SN: 20L220414) Sig Sauer M400 SDI X-Series Rifle 5.56 Nato (25-00585) NEW CollectorsFirearms.com $1499.95 2026/4/18
Sig Sauer M400 SDI XSERIES Rifle, 5.56mm 16" Barrel MidwestGunWorks.com $1499.99 2026/4/18
Sig Sauer M400 SDI XSeries 5.56 16" Barrel 30-Rounds GrabAGun.com $1499.99 2026/4/17
SIG SAUER, INC. - M400 SDI XSERIES 5.56X45 NATO SEMI-AUTO RIFLE Brownells.com $1499.99 2026/4/18
Sig Sauer TREAD M400 SDI X-Series AR-15 5.56 NATO Rifle RainierArms.com $1499.99 2026/4/18

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