This SABER TACTICAL FX MAVERICK TRS RAIL COMPACT Has an integrated bubble level in the rear. Allowing you to quickly check your properly leveled. This ST TRS RAIL is a must have, designed for the long shooter to assist in performance and accuracy. 

Built-in M lok slots allowing you to attach a variety of accessories as well as a built-in 20 MOA allowing for scope elevation to assist in long range shooting. Equip with a Delrin shroud clamp to prevent shroud droop. Minimizing or eliminating any POI change when switching suppressors.