Arca Rail - Ruger American Late Gen 1 / Gen 2 Style:ARCA but they can also be

but they can also be sourced on Amazon

TX2000 X360 Mount uses the 1/4"-20 threaded hole on the bottom side to make packing in and out easier

and no smoky candles

Rear back stop designed into the rail

Arca Rail - Ruger American Late Gen 1 / Gen 2 Style:ARCA but they can also beBe sure to change the style to PIC ARCA if that's the one you are after. ARCA and PIC ARCA FITS Glenwood Model A. BOTH ARCA and PIC ARCA fit both Late Gen 1 and Gen 2 Ruger Americans. The earlier Gen 1 models with the one piece stock magwell area, will require a more custom install, but is still an option. Fits both Long Action and Short Action Aircraft Grade 6061 T6 Billet Aluminum Designed and hot cerakoted to match the coating of all three Gen 2