The original post details can be found below for posterity:

Author: 80Builds (Link)

Flair: +1 (Fresh Meat)

Title: [WTS] SIG M400 TREAD UPPER $570 (LA)

Body:

$570 PayPal

STAMPED M400 UPPER

1:8 STAINLESS STEEL, CHROME-LINED 16” BARREL (200 rounds through it)

PINNED LOW PROFILE GAS BLOCK

SIG THREE PRONG FLASH HIDER

M400 IRON SIGHT RAILS

BCG AND CHARGING HANDLE

UNITY MOUNT & CHOPPED BCM

Pictures

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