The Seekins Precision Short Action PH3/Element ARCA Rail M-LOK is a compact, low-profile ARCA rail designed specifically for the PH3 and Element M3 short-action chassis M-LOK forend. Machined from 6061-T6 aluminum with a scalloped design to minimize weight, this rail attaches securely via M-LOK and provides a full-length ARCA-compatible mounting surface for tripods, bipods, and other ARCA-standard accessories, delivering repeatable, rock-solid shooting positions in the field or on the range. Seekins Short Action PH3 / Element ARCA Rail M-LOK 10560135F