Up for grabs is a 16" Colt M4 profile barrel. The front sight base was professionally shaved down to a low profile gas block and cold blued. It fits inside a 1.3" inner diameter handguard with plenty of clearance, so just about any handguard should fit over it. The gas tube, barrel nut and handguard cap are included. All are 6920 take offs. The barrel has 800-1000 rounds of brass cased through it. Asking $100 or trade for 9mm brass target ammo. I'm located in Summerlin, Las Vegas.
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