Bases built in forged and mechanized steel.
QR mounts are quick to mount and dismount. The lever is rotated forward and a cam on the shaft of the lever engages the base of the ring, pulling it down and forward on the base, solidly locking it in its "zero" position.
Bases |
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NOTE: Do not tighten the wing nuts of the QR mounts too much. With the hand it is enough (with the fingers). A tighter closure does not mean a more precise fit.