Owner’s Manual 2020

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NOTE: Some jurisdictions limit the magazine capacity. All FN pistols
intended for sale in those jurisdictions will be shipped with magazines not
exceeding the specified number of rounds in compliance with local, state
and federal law. Verify the capacity of your magazine do not exceed the
allowable limit before entering these jurisdictions.
9.6 CHASSIS DESIGN AND INTERCHANGEABLE GRIPS
The FN 503 uses a modular chassis construction allowing for the use of
interchangeable grips. This allows the user to select different grip options
which may include different colors, larger or smaller grips or offer
additional capabilities such as lights or other accessories. This also allows
the grips to be modified to suit your needs, without the risk of damaging
the serialized portion of the frame assembly.
10. SIGHT ALIGNMENT
NOTE: The sight alignment described is for the standard sights provided
with the FN 503 pistol. Alternate sight options may have different sight
alignment requirements. Please refer to any special instructions provided
with your alternate sights.
The sights of the FN 503 should be aligned with the top of the front sight
even with the top of the rear sight and an equal gap between the rear sight
and the sides of the front sight. The point of impact will be at the top of the
front sight when the sights are properly aligned.
The dots provided on the sights are intended as an aid in low light
conditions and provide a less precise but faster sight alignment.