markopolo

WTS NIB SIG MCX Conversion Kit in 5,56

Location: Texas

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Posted (edited)

This is a new OEM Sig Sauer MCX Conversion Kit that includes an MCX upper receiver, adapters to convert a standard Mil-Spec AR15 lower receiver to accept the MCX upper receiver, and a Sig Sauer two-stage trigger. The trigger installation is required to ensure proper operation of the MCX upper receiver. Using your existing trigger is not recommended and may lead to malfunction.
Sig's MCX conversion upper receivers include the necessary parts to install on an existing AR lower. That means you can essentially build your own pistol or SBR or convert an existing lower into a Rattler.
The kit includes the complete upper with 5.5" 5.56mm barrel, bolt carrier group, buffer tube eliminator / 1913 back (for mounting a brace or stock), 1913 side folding adapter (for mounting a buffer tube for brace or stock), and Sig's Match Duo 2 stage trigger.
The Rattler has a two position gas valve for running suppressed and unsuppressed.
$1550 SHP

 

 

 

 

 

Edited by markopolo

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