UTG Pro ACCU-SYNC QR Cantilever Mount 40 MOA 70 mm Offset 30 mm Tube Picatinny Black. Features a Quick Release (QR) Picatinny Mount with Locking QR Levers Tool-free Tension Adjustment and Squared Recoil Stops. Overall Lightweight with Snag-free Radiused Edges and Corners. 6061-T6 Aluminum Construction Finished in Matte Black Anodize. Rated for .338 LAPUA Magnum. Specifications for Leapers UTG Pro ACCU-SYNC QR Cantilever Mount: Manufacturer: UTG Pro Fabric/Material: 6061-T6 Aluminum Steel Offset: 70 mm Color: Black Weight: 5.7 oz Finish: Anodized Features of Leapers UTG Pro ACCU-SYNC QR Cantilever Mount Quick Release (QR) Picatinny Mount Features Tool-free Tension Adjustment Locking QR Levers and Squared Recoil Stops for a Secure and Repeatable Zero Precision CNC Machined from 6061-T6 Aluminum and Finished in a Matte Black Anodize 20 MOA Vertical Compensation Increases Access to Elevation Adjustment Range Snag-free Radiused Edges and Corners Lightening Cut for Reduced Weight Rated for .338 LAPUA Magnum Package Contents: Leapers UTG Pro ACCU-SYNC QR Cantilever Mount UTG Pro AIR340MOA: ACCU-SYNC QR Cantilever Mount 40 MOA 70 mm Offset 30 mm Tube Picatinny Black