Griffin Armament MK1 chambered in 300 Black Out. Firearm appears to have a 10.3inch barrel. It also has a SBA3 brace and a Holosun red dot. Firearm is in excellent condition with some minor general wear/scratches from previous handling/use. Please see pictures for more details. Please call REDACTED or email us REDACTED if you have any questions.  Ground shipping is 40 dollars. You can pay by sending a US Postal money order or pay over the phone by credit card. Please add 3% for all credit card purchases. Thank you!