300 AAC BLACKOUT. AR-15 (150 Round Drum) Armatac 150 Round Drum. The SAW-MAG™ offers for the first time a reliable and efficient 150 round magazine for the .223/5.56mm rifle.
Update 4-7-2014: ships in 1-2 weeks. The Credit Card Online processing fee of 3.5% will automatically add onto the price of the SAWMAG when added to cart. Advanced Armament. 300-BLK. Surefire WeaponLight. Adams Arms 300 Blackout Pistion System. 300 Blackout Pistion System (catalog)