Check the listing for details. MatchPoint USA R2S Rapid Retention System - 90 Adapter. Condition: New. Listed at 59.99 USD. The R2S 90 Adapter attaches straight to the Picatinny Rail of any weapon, providing a 90-degree offset for mounting the R2S Cleat. (R2S Locking & Non-Locking Bases sold separately.) R2S 90 Adapter Features:Multiple countersunk mounting holes, giving you the ability to pinpoint the location and direction of the R2S Cleat in relation to your weapon system.CNC-Machined from Aluminum Billet; treated with a Black Type III Hard-Coat Anodized finish.Ambidextrous - Can be configured for LH or RH carriage.R2S Cleat Features:5x #8-32 threaded mounting holesHardware Included:R2S Cleat2x #8-32 Phillips Flat Head Screw2x #10-32 Socket Head Cap ScrewTrademark #: Patent No. 10,222,172Patent No. D 695,870Patent No. D 685,051Reg No. 5,328,385 *Please Carry Responsibly. Great care should be used when holding, storing, or transporting firearms while using the R2S System from MatchPoint USA. A chambered firearm with an exposed trigger is a potential hazard to the user and those around them.