Posted: 1/8/2014 12:09:09 PM EDT
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Thank you for your purchase and inquiry.
If you wish to replace the barrel pin, please contact a reputable gunsmith that is has experience with AR15's. We recommend replacing the entire barrel. All of our PRO upper combos were made with FN supplied barrels, the pin was the same height as the collar of the barrel extension. The mark inside the upper looks like it snapped when the new barrel nut was being tightened, or flash hider installed. The force to shear it must have been considerable. We recommend using a barrel vice to change flash hiders. Please contact Customer service directly with your order number to discuss a replacement barrel. |


