M400 TREAD 16" 10 Round 5.56 NATO AR15 Semi Auto Rifle - Black - CO Compliant
UPC: 798681632961 MPN: SIGM400 Tread SKU: 53118090

Sig Sauer SIGM400 Tread 223 Rem | 5.56 Nato Rifle (10-Round)

Rifles Semi Auto Sig Sauer SIGM400 Tread SKU: 53118090 In StockOnline Only

Quick Specs

Caliber -
Capacity 10,10+1

Insight Snapshot

The Real Grit lists this offer at $879.99.

  • Sig Sauer SIGM400 Tread anchors the Rifles 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 10, 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 Not found, Not found 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 SIGM400 Tread 223 Rem | 5.56 Nato Rifle (10-Round)?

Key callouts include caliber: 223 Rem | 5.56 NATO, action: Semi-Auto, capacity: 10. Scroll up for the full specification table before you commit.

Sig Sauer SIGM400 Tread headlines the specification sheet for this platform. Factory chambered in 223 Rem | 5.56 NATO, built around a semi-auto action with a 10 round capacity to keep performance predictable from shot to shot. Dimensional notes call out a barrel length of 16" in and overall length measuring 30.80" in, helping you plan cases and storage. Unloaded weight settles near 7 lbs, which influences recoil management and carry options. Furniture is trimmed in black finish, giving the rifle its classic profile. Metalwork wears a black treatment, pairing durability with period-correct styling.

Action

Semi-Auto

Capacity

10 | 10+1