Sig Sauer MCX Rattler Pistol | PMCX-300B-5B-TAP

UPC: 798681600182 MPN: MCX SKU: 38831769

Sig Sauer MCX 300 Blackout Pistol (30-Round)

Name: Sig Sauer MCX 300 Blackout Pistol (30-Round)
Brand: Sig Sauer
SKU: 38831769

Handguns Semi Auto Sig Sauer MCX SKU: 38831769 Out of StockOnline Only

$2,499.99

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Quick Specs

Caliber -

Capacity 30+1

Insight Snapshot

Hinterland Outfitters lists this offer at $2,499.99.

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

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 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.