SIG SAUER MCX RATTLER 5.56 BLK 5.5 MLOK#
UPC: 798681600199 MPN: PMCX-5B-TAP SKU: 40356090

Sig Sauer MCX .223 Rem Pistol (30-Round)

Handguns Semi Auto Sig Sauer MCX SKU: 40356090 In StockOnline Only
$2,499.99
$2,855.71 MSRP
Save $355.72 (12%)
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Paramount Defense Llc Downingtown Verified Store 5.0 (9 reviews)

Buy with more confidence from this listed retailer on Gun Ammo Deals. Downingtown, Pennsylvania

Compare all offers for SIG SAUER MCX RATTLER 5.56 BLK 5.5 MLOK# (798681600199)

Quick Specs

Caliber 223 Remington,5.56x45mm NATO,5.56 NATO,223 Rem | 5.56 NATO
Capacity 30+1

Insight Snapshot

Paramount Defense LLC lists this offer at $2,499.99, 12% under MSRP.

  • Sig Sauer MCX anchors the Handguns segment in the firearms catalog, giving shoppers a clear baseline before purchase.
  • Chambered in 223 Remington, 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 12% 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 Chagrin Falls, Ohio requirements on storage, transport, and waiting periods before the firearm arrives.
  • Source 223 Remington practice ammunition early; popular loads tighten in supply when prices drop.

Common Questions

What specs should I know before buying Sig Sauer MCX .223 Rem Pistol (30-Round)?

Key callouts include caliber: 223 Remington, 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 223 Remington, 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" / 4.5'' / 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 5.10 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 with a black finish, giving the rifle its classic profile. Metalwork wears a black treatment, pairing durability with period-correct styling.