Manufactured by SIG SAUER in conjunction with VFC 1:1 Exact Replica of the P320 X Carry Pistol Ambidextrous Controls RMR Mount Optics Ready Picatinny Under Rail for Flashlight & Laser Elongated Beaver Tail Beveled Magwell for Faster Reloads Straight Trigger for Better Control VFC Guide Hop Hop-Up System for Fast Adjustment Includes 21-round Green Gas Magazine Compatible with SIG M17 and M18 Magazines