Brand new case of Black Hills MK262 77 gr 5.56mm ammo. These cases contain a green ammo canned sealed from the facotry with 23- 20 round boxes of MK262. This ammo is fantastic for long range shooting and also has great ballistics out of barrels as short as 10.3 inches. These cases go for about $700 retail right now. Cash only, no trades. $550. Please reach out with any questions.