SIG SAUER M400 SDI 5.56MM 16" FDE 30+1 RM400-SDI-16B-FDE
- UPC
- 798681714469
- MPN
- RM400-SDI-16B-FDE
- Manufacturer
- Sig Sauer
$1386.99
$1482.99
Excellent Deal
This is the lowest price in our tracked history — an excellent time to buy.
Price Intelligence
Building confidence
Against lowest
Matches lowest seen
Typical price
3% below typical
From tracked high
$96.00 lower (6%)
Data depth
9 days, 1 price change
Useful signal, but more history will sharpen the read.
Tracked for 9 days. Last checked: 2026-09-20. Recorded 1 price change. The average price is $1434.99. The price has ranged from $1386.99 to $1482.99. The current price of $1386.99 is -3% below average.
Lowest
$1386.99
Highest
$1482.99
Average
$1434.99
Tracked
9 days
Price Changes
1
Last checked
2026-09-20
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Live Offers
3 retailers list SIG M400 SDI 5.56 NATO 16" AR Rifle FDE MLOK; 3 in stock, in-stock prices run $1386.99 to $1599.99.
Best Price History Across Offers
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Insights
Recent Price Drop
Dropped $96.00 (6.5%) since 2026-09-16.