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Product Detial
Description: This Only Works On Free Float Handguard with the 4 holes Can work on some Yankee Hill Machine quadrails and Midwest Industries quadrails (But non-threaded front end style), Install onto 0.936 inch regular barrel Center hole diameter: 23.8mm (0.936 inch) Outer diameter: 45.8mm (1.8 inch) Thickness: 8.5mm (0.3 inch) Weight (net): 20g (0.07 ounce) High quality aluminum alloy in durable black matte finish With 4 screws for installation Not interfere with free floating quad rail |