Primary Arms SLx Mag-Tight Magnification Throw Lever for SLx 1-8x24mm Rifle Scopes First Focal Plane Black 210110. Really drive that advantage home with the Primary Arms Mag-Tight Magnification Lever Precision machined from lightweight aluminum to perfectly fit our popular SLx 1-8x FFP line of Low Power Variable Optic (LPVO) the Mag-Tight Magnification Lever allows shooters to quickly and confidently shift through their magnification range and even quickly gauge their current setting. Each lever is finished with a tough hardcoat anodized finish to offer a lifetime of service. Specifications for Primary Arms SLx Mag-Tight Magnification SLx 1-8x24mm Rifle Scopes Throw Lever: Manufacturer: Primary Arms Color: Black Fabric/Material: Aluminum Finish: Anodized Condition: New Gun Make: AR Platform Gun Type: Rifle Gun Model: AR-15 Features of Primary Arms SLx Mag-Tight Magnification SLx 1-8x24mm Rifle Scopes Throw Lever: Lightweight yet sturdy construction Precision CNC machined from 6061-T6 aluminum Extended lever for fast magnification changes Tough Type III hardcoat anodized finish Split ring design for easy installation Limited Lifetime Warranty Package Contents: Primary Arms SLx Mag-Tight Magnification SLx 1-8x24mm Rifle Scopes Throw Lever What firearm models does the manufacturer say Primary Arms SLx Mag-Tight Magnification SLx 1-8x24mm Rifle Scopes Throw Lever is compatible with? The manufacturer suggests that Primary Arms SLx Mag-Tight Magnification SLx 1-8x24mm Rifle Scopes Throw Lever is compatible with AR-15Primary Arms 210110: SLx Mag-Tight Magnification Throw Lever for SLx 1-8x24mm Rifle Scopes First Focal Plane Black