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Sig Sauer

Sig Sauer MCX Rattler Conversion Kit - 5.5" .300 Blackout

Product Code : 798681587735

Mfg Item #: UAMCX-5B-300-BLK-TAP

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Sig Sauer MCX .300 Blackout Upper Receiver Conversion Kit

Convert any MIL-SPEC AR Lower into a MCX Rattler. Complete with upper assembly, lower receiver stock adapter kit, side folding AR buffer tube knuckler, and match duo trigger kit.

Includes:

  • Complete MCX Upper
  • Buffer Tube to MCX Stock/Brace Adapter
  • 1913 to Buffer Tube Adapter
  • Sig Sauer Match Duo Trigger Kit
  • MLok Handguard
  • Hammer Forged Carbon Steel Barrel
  • TriLug Flash Hider
  • Adjustable Gas Block

Specifications:

-Caliber: .300 Blackout (7.62x35)
-Barrel: 5.5"
-Twist: 1:5"

Determined at checkout.