Sig Sauer, Inc. M400 Tread Protector 5.56 NATO Rifle (5-Round)
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Insight Snapshot
Brownells.com lists this offer at $999.99.
- Sig Sauer, Inc. M400 Tread Protector anchors the Rifles segment in the firearms catalog, giving shoppers a clear baseline before purchase.
- Chambered in 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 5+1-Round, 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 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, Inc. M400 Tread Protector 5.56 NATO Rifle (5-Round)?
Key callouts include caliber: 5.56 NATO, action: Semi-Auto, capacity: 5+1-Round. Scroll up for the full specification table before you commit.
Sig Sauer, Inc. M400 Tread Protector headlines the specification sheet for this platform. Factory literature categorizes it as a modern sporting rifle, which frames expectations for handling and use. Factory chambered in 5.56 NATO, built around a semi-auto action with a 5+1-Round round capacity to keep performance predictable from shot to shot. Dimensional notes call out a barrel length of 16'' / 16" / 16 in and overall length measuring 35.50" in, helping you plan cases and storage. Unloaded weight settles near 7.50 lbs / 7.5 lbs, which influences recoil management and carry options. Furniture is trimmed in synthetic / polymer with a black finish, giving the rifle its classic profile. Metalwork wears a colored treatment, pairing durability with period-correct styling. Stock appointments include smooth furniture without checkering and a traditional butt plate. Overall dimensions ship at 4.45 X 11.60 X 46.40, so plan case and safe clearance accordingly. Magazine system uses a detachable design, making reloads faster between strings. Without a hinged floorplate you will cycle rounds out manually when clearing the rifle. Select retailers indicate this model qualifies for direct ship where local regulation allows.
