NOTE: If you select the matching upper receiver, it will come with the ejection port door and forward assist installed, except for the Mega side charge upper receiver.
NOTE: This product ships as an unassembled kit if you do not check the Assemble Lower option. The additional cost of the assembly option includes the 11% Federal Excise Tax and our assembly fee.
NOTE: The assembly of the lower kit should be done or inspected by a qualified armorer or gunsmith prior to use. Proper assembly of the lower kit is the responsibilty of the end user of this product.
NOTE: FFL required for shipment. You must note which FFL will be receiving this item in the comment box during checkout. Please have your FFL dealer fax or email a signed copy of their license to Bison Armory.
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