Original Invert Mini design. Precision machined black anodized aluminum rear bolt guide housing. Comes with all o-rings installed but no other internals. No bolt tip, endcap or firing poppet. Only the housing. Genuine replacement part. Will fit any Invert Mini (generation 1, 2, 3). For N2 use only. 4in x 1in x 1in.
Product ID: XP3990A-02