: Decide if you want a "No Clamp" (NC) version to add your own quick-detach mount (like an ARCALOCK or ADM lever) or a standard screw-on Picatinny mount.
The most useful features to look for when buying depend on your specific shooting discipline: Core Performance Features buy atlas bipod
: In the Atlas PSR (BT46) and CAL (BT65) series, the legs do not rotate. This is a critical upgrade for shooting from smooth surfaces like benches, as it prevents the feet from "rolling" when you apply forward pressure (loading) to the rifle. : Decide if you want a "No Clamp"