SIG Sauer RM400SDI16BP M400 X-Series 16" 30+1, Black, Magpul SL-K Stock, OEM Polymer Grip, Flat Match Trigger
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Sig Sauer
Overview
The SIG Sauer RM400SDI16BP M400 X-Series 16" 30+1, Black, Magpul SL-K Stock, OEM Polymer Grip, Flat Match Trigger is a complete rifle. Compare prices from multiple merchants and find the best deal.
Specifications
SIG Sauer RM400SDI16BP M400 X-Series 16" 30+1, Black, Magpul SL-K Stock, OEM Polymer Grip, Flat Match Trigger
Available Merchants(7)
Prices checked
Price Alert
October 2026 on GunPartPicker
SIG Sauer RM400SDI16BP M400 X-Series 16" 30+1, Black, Magpul SL-K Stock, OEM Polymer Grip, Flat Match Trigger ranked #13 of the 207 complete rifles builders added on GunPartPicker in October 2026. Builders have added it to their builds on GunPartPicker. Since April 2026, it is the fourth most added complete rifle on the site.
Availability is good: it was in stock at one retailer or another nearly every time we checked in October 2026, and today 5 of the 7 retailers we track have it in stock. Prices barely moved in October 2026, holding around $1,499.99, with no real sale all month. Buying today, the lowest price is $1,499.99 at Palmetto State Armory, which matches the best price we saw in October.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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