Lower Receiver: Forged 7075-T6 Aluminum Hard Coat Type III Anodized Black Specialized Tension Screw - Eliminates Upper/Lower Play FRANKLIN ARMORY AR-ESSENTIALS Trigger A2 Pistol Grip Magazine: Manufactured from Stainless Steel Marlube Finished 30 Round 5.56 NATO Capacity 10/20 or 10/30 Magazine for Restricted States Anti-Tilt Follower Stock: M4 Design Reinforced Six Position Collapsible Multiple Rear Sling Mounts Angled Heel for Easier Transition Aluminum Carbine Length Receiver Extension Not for civilian sales in: CA, CT, DC, DE, FL, HI, IA, IL, MA, MD, MN, NJ, NY, RI, and WA Additional Features: Comprehensive Safety Manual California Certified Cable Lock