USED Infinite Product Solutions Gen 1 Ruger American - Slip-On Adapter Black. 223 barrels US industry standard 1/2-28 threads unlocking your barrel's potential with the ability to mount a variety of muzzle devices. Precision manufactured from durable steel with a black phosphate finish this adapter ensures reliable performance and a secure fit. It includes four brass set screws to hold the adapter firmly in place. Enhance your firearm's versatility with this essential accessory from Infinite. Specifications for Infinite Product Solutions Gen 1 Ruger American - 1/2-28 Slip-On Adapter: Manufacturer: Infinite Product Solutions Color: Black Finish: Oxide Fabric/Material: Steel Threads per Inch: 1/2x28 Weight: 2.72 oz Height: 0.99 in Width: 0.99 in Length: 1.78 in Caliber: .223 Remington Features of Infinite Product Solutions Gen 1 Ruger American - 1/2-28 Slip-On Adapter Gives non-threaded Ruger American .223 barrels US industry standard 1/2-28 threads Unlocks your barrel's potential with the ability to mount a variety of muzzle devices Precision manufactured Ensures reliable performance Secure fit Enhances firearm versatility Package Contents: Infinite Product Solutions Gen 1 Ruger American - 1/2-28 Slip-On Adapter x1 Allen Wrench x4 Brass Set Screws Infinite Product Solutions RAM-NOS-1228-BS: Gen 1 Ruger American - 1/2-28 Slip-On Adapter Black