SIG SAUER MCX RATTLER 300BLK 5.5" MLOK #
UPC: 798681600182 MPN: PMCX-300-5B-TAP SKU: 38831769

Sig Sauer MCX 300 Blackout Pistol (30-Round)

Handguns Semi Auto Sig Sauer MCX SKU: 38831769 Out of StockOnline Only
$2,499.99
$2,546.00 MSRP
Save $46.01 (2%)
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Quick Specs

Caliber 300 Blackout,.300 AAC Blackout,300 AAC Blackout,.300 Aac Blackout
Capacity 30+1

Insight Snapshot

Armed In Michigan lists this offer at $2,499.99, 2% under MSRP.

  • Sig Sauer MCX anchors the Handguns segment in the firearms catalog, giving shoppers a clear baseline before purchase.
  • Chambered in 300 Blackout, 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

  • The featured offer reflects a 2% savings versus MSRP; use that benchmark when negotiating.
  • 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 Amsterdam, North Holland requirements on storage, transport, and waiting periods before the firearm arrives.
  • Source 300 Blackout practice ammunition early; popular loads tighten in supply when prices drop.

Common Questions

What specs should I know before buying Sig Sauer MCX 300 Blackout Pistol (30-Round)?

Key callouts include caliber: 300 Blackout, action: Semi-Auto, capacity: 30+1. Scroll up for the full specification table before you commit.

Sig Sauer MCX headlines the specification sheet for this platform. Factory literature categorizes it as a ar / ar pistol, which frames expectations for handling and use. Factory chambered in 300 Blackout, 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 5.50" / 5.5'' / 5.5 / 5.5" / 5.5 With PDW Upper and overall length measuring 23" in, helping you plan cases and storage. Unloaded weight settles near 5.1 lbs / 5.10 lbs, which influences recoil management and carry options. Twist rate is listed at 1:5 RH, offering guidance on which projectile weights stabilize best. Furniture is trimmed in synthetic / polymer with a black finish, giving the rifle its classic profile. Metalwork wears a black treatment, pairing durability with period-correct styling. Overall dimensions ship at 4.35 X 11.65 X 46.60, so plan case and safe clearance accordingly.