Vortex Pro Cantilever AR-15 AR-10 Mount Black 34mm/1.54in. The Pro Cantilever Mount series brings compatibility and modularity to support riflescopes with offset red dots night vision and thermal attachments. Free up rail space secure dual zeros and keep your setup streamlined and ready for close or long shots day or night. Specifications for Vortex Pro Cantilever AR-15 AR-10 Mount: Manufacturer: Vortex Gun Rail: Picatinny Fabric/Material: 6061 Aluminum Offset: 2 in Color: Black Base/Mount Type: Cantilever Ring Mount Cant: 0 MOA Gun Model: AR-10 AR-15 Finish: Matte Package Contents: Vortex Pro Cantilever AR-15 AR-10 Mount 2 Additional Torx T-15 Screws Torx T-15/T-25 Wrench What firearm models does the manufacturer say Vortex Pro Cantilever AR-15 AR-10 Mount is compatible with? The manufacturer suggests that Vortex Pro Cantilever AR-15 AR-10 Mount is compatible with AR-15 AR-10Vortex PCM-34-154: Pro Cantilever AR-15 AR-10 Mount Black 34mm/1.54in