The Big Horn Origin Action is a Zermatt Arms Inc designed action that incorporates features from the Bighorn TL3 and SR3 line of actions. This action is machined from pre-hardened Chromoly steel. Features include a pinned recoil lug, Savage small shank thread tenon, floating and interchangeable bolt head, controlled round feed, spiral fluted bolt, mechanical ejector and bayonet style firing pin assembly.
The Origin comes standard with standard Remington style feed lips for ADL/BDL (hinged floorplate) internals and all AICS pattern magazines to max COAL’s of 2.980″. Origin actions are cut with the Bighorn trim tang which is most similar to Remington 700 actions. The Origin bolt handle is swept to mimic the Remington 700 as well. This is a Short Action Standard .308 bolt face.
Origin actions come with 20 MOA rails only.