NcSTAR GEN II SPR 30mm Cantilever QR Scope Mount w/ 1in Inserts Black. Includes 1" scope inserts. Specifications for NcSTAR GEN II SPR Cantilever QR Scope Mount: Manufacturer: NcSTAR Height: 1.5 in Gun Rail: Picatinny Color: Black Length: 6.25 in Weight: 6.7 oz Condition: New Features of NcSTAR GEN II SPR Cantilever QR Scope Mount: Compact Dual Auto-Locking Quick Release Levers to secure the mount to Weaver/ Picatinny/ MIL STD 1913 type rails Scope centerline set to 1.5" above the rail a popular height for the AR15 platform of firearms Scope mount features a reversible 45 degree offset Picatinny Rail side mount perfect for those wanting to mount a secondary optic at the 45 offset The offset side rail can be mounted onto the left or right side of the scope mount or removed all together The GEN II mount is shorter and lighter overall from the previous model The scope ring spacing has been updated to allow more scope fore and aft adjustment for eye relief fine tuning Length: 6.25" Weight: 6.7oz (scope mount only) 1.1 oz (off set rail) 1.0 oz (1" scope inserts) Package Contents: NcSTAR GEN II SPR Cantilever QR Scope Mount NcSTAR VMSPRBV2: GEN II SPR 30mm Cantilever QR Scope Mount w/ 1in Inserts Black