The Magpul UCS (Universal Carbine Stock) offers versatility and precision for various firearms utilizing an M1913 Picatinny rail. Engineered for adaptability, the Magpul MAG1441-BLK Universal Carbine Stock BLACK enhances usability while maintaining a sleek profile. Featuring a reversible hinge, the UCS accommodates diverse charging handles and control locations, ensuring a smooth operation. With five degrees of drop, it provides optimal clearance for streamlined performance. Six (6) Position, Push-Button LOP Adjustment Allows Three 3" of Total Adjustment Compatible with All Firearms with a 1913 Rail on Rear of Firearm Receiver Reversible Folding Mechanism Optimize your firearm experience with the Magpul Universal Carbine Stock.