Sig Sauer MCX Rattler Upper 300 Blackout AR Conversion, 5.5" BarrelSig Sauer MCX Rattler Upper 300 Blackout AR Conversion, 5.5" BarrelSig Sauer MCX Rattler Upper 300 Blackout AR Conversion, 5.5" BarrelSig Sauer MCX Rattler Upper 300 Blackout AR Conversion, 5.5" BarrelSig Sauer MCX Rattler Upper 300 Blackout AR Conversion, 5.5" Barrel
Sig Sauer MCX Rattler Upper 300 Blackout AR Conversion, 5.5" Barrel
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Sig Sauer MCX Rattler Upper 300 Blackout AR Conversion, 5.5" Barrel

Code: UAMCX-5B-300-BLK-TAP
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$1,836.00

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Product Description

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Description: Sig Sauer MCX Rattler Upper 300 Blackout AR Conversion, 5.5" Barrel. This upper Sig Sauer MCX Rattler AR conversion kit with a 5.5" barrel length comes with everything needed to put on any standard MIL-SPEC AR lower. This conversion kit includes: a 5/8" x 24 threaded barrel, a complete bolt carrier group, a Sig Sauer MCX upper, side folding AR buffer tube knuckler, 90 degree muzzle adapter for standard non Sig Sauer suppressors or muzzle devices, AR Two-Stage Matchlite DUO trigger kit and 1913 low profile QD socket with hardware.

The SIG Matchlite Duo trigger unit provides a crisp and clean feel, and a new tapered bolt lug design extends bolt life while resulting in smoother cycling. The MCX Rattler upper receiver assembly features a standard free-floating M-LOK handguard with a top picatinny rail for sight and optic, as well as a short-stroke piston system and unique internal recoil system that eliminates the M4-style buffer tube resulting in a light-recoiling and compact platform able to be configured for any task.

Features:
  • Hard coat anodized finish
  • Aluminum M-LOK handguard
  • Tapered bolt lug
  • 5.5" long barrel 
  • 5/8" x 24 TPI Threads
  • Flash Hider

Includes:

  • MCX Rattler Upper
  • Side Folding AR Buffer Tube Knuckler
  • 90 Degree Muzzle Adapter
  • AR Two-Stage Matchlife DUO Trigger Kit
  • 1913 Low Profile QD Socket with Hardware
  • 300 Blackout BCG

All NFA/ATF Rules Apply! Installing this conversion kit on a non SBR (Short Barrel Rifle) will require you to register the rifle per NFA regulations.

Manufacturer: Sig Sauer

PRODUCT SPECIFICATIONS:

  • Barrel Length: 5-1/2"
  • Barrel Thread Pitch: 5/8" x 24 TPI
  • Brand: Sig Sauer
  • Caliber: .300 Blackout
  • Finish / Color: Black
  • Firearm Type: Pistol,Rifle
  • Material: Steel,Aluminum
  • Models Fit: AR-15,Sig Sauer SIG516,Sig Sauer M400

Specifications

•••••
  • Barrel Length: 5-1/2"
  • Barrel Thread Pitch: 5/8" x 24 TPI
  • Brand: Sig Sauer
  • Caliber: .300 Blackout
  • Finish / Color: Black
  • Firearm Type: Pistol,Rifle
  • Material: Steel,Aluminum
  • Models Fit: AR-15,Sig Sauer SIG516,Sig Sauer M400

Customer Ratings & Reviews

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