Sig Sauer M400, Sig Rm400sdi16br5fx M400 Sdi 556 16 Tele 223 Rem | 5.56 Nato Firearm (30-Round)
Buy with more confidence from this listed retailer on Gun Ammo Deals. Rocheport, Missouri
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Insight Snapshot
MidwayUSA lists this offer at $1,749.99.
- Sig Sauer M400-Sentry Semi Automatic Rifle 5.56x45mm NATO 16" Matte Threaded Barrel Black Frame Black Pistol Grip With Romeo5 Red Dot anchors the Firearms segment in the firearms catalog, giving shoppers a clear baseline before purchase.
- Chambered in 223 Rem | 5.56 NATO, it keeps ballistics predictable across practice and defensive loads without forcing you to rework your kit.
- Factory materials note a semi-auto action, which influences recoil timing and maintenance cadence.
- Standard capacity lands at 30+1, so plan your range loadout around how often you expect to top off.
Shopping Tips
- Line up your receiving FFL early and clarify their transfer fees so you are not surprised at pickup.
Ownership Checklist
- Confirm the receiving FFL is ready for the transfer and understands the model you are purchasing.
- Review Chagrin Falls, Ohio requirements on storage, transport, and waiting periods before the firearm arrives.
- Source 223 Rem | 5.56 NATO practice ammunition early; popular loads tighten in supply when prices drop.
Common Questions
What specs should I know before buying Sig Sauer M400, Sig Rm400sdi16br5fx M400 Sdi 556 16 Tele 223 Rem | 5.56 Nato Firearm (30-Round)?
Key callouts include caliber: 223 Rem | 5.56 NATO, action: Semi-Auto, capacity: 30+1. Scroll up for the full specification table before you commit.
Sig Sauer headlines the specification sheet for this platform. Factory chambered in 223 Rem | 5.56 NATO, built around a semi-auto action with a 30+1 round capacity to keep performance predictable from shot to shot. Dimensional notes call out a barrel length of 16" in and overall length measuring 33.25"-36.50" in, helping you plan cases and storage. Unloaded weight settles near 8 lbs, which influences recoil management and carry options. Furniture is trimmed in black finish, giving the rifle its classic profile. Metalwork wears a fnc treatment, pairing durability with period-correct styling.
