The Williams™ 1338 FP-FN Receiver Peep Sight is specifically designed to fit the FN Mauser and Dumoulin Mark X. Williams™ FP-FN Receiver Peep Sights offer shooters unmatched open sight visibility at longer distances than standard fixed open sights. The Williams™ FP-FN Receiver Peep Sight is compatible with a front fiber optic fire sight. Williams™ Fire Sights gather ambient light and reflect it back to your eye, enabling faster target acquisition. Williams™ Sights do not use artificial light sources to create their sight visibility, making them legal to use in states that do not allow artificial light sources on your firearm while hunting.
This Williams™ FP-FN Sight Set 1338 fits the following firearms:
Dumoulin Mark X
The Williams™ FP-FN Sight Set 1338 DOES NOT fit any other firearms than those listed above.
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