The Ergo F93 Pro Stock has a fixed cheek piece for a constant and repeatable cheek weld in any of the eight stock positions. Once the butt is locked, the F93 has the feel of a fixed stock. It includes over molded carbine length buffer tube, standard castle nut and ambi sling plate. It is 8" from the receiver to butt plate when collapsed and 12" fully when fully extended.
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