Adapter Connect Arca-Swiss Quick Release Plate to Manfrotto Tripod Fluid Head | eBay
Tactical EVO Adapter ARCA Swiss to WEAVER (picatinny rail) - Optics-Trade
Amazon.com : Haoge CP-MAS Quick Release Clamp with RC4 / 400PL Base Adapter Convertor for Manfrotto RC4 System to Arca-Swiss Compatible, Fit 400PL / 405/410 / RC4 : Electronics
Top Lock Travel Quick Release Adaptor - MSQ6T | Manfrotto US
SDC-50 QR Quick Release Clamp Arca Swiss/RRS Dovetail to Picatinny Ada