Crosstac offers an ARCA rail solely dedicated to the very popular Ruger Precision ... blocks also feature a QD mount in the base for sling tensioning (no additional parts needed).

Fitting accessories to a classic Ruger ... mount attaches easily to the front two holes in the upper section of the factory gas block, providing a three-slot section of Picatinny rail that ...

the Ruger-57 uses steel magazines (the product ships with two). The gun also comes with an under-barrel rail to mount a light or a laser. Also unlike the Five-seveN, the Ruger-57 boasts one key ...