McLean, VA — Might 20, 2025) FN America, LLC just lately found a situation on the FN ReflexÒ MRD pistol that, in very restricted circumstances when utilizing the wrong set of screws to mount particular optics, the pistol may expertise binding, biking points, or interference with the firing pin security block. The situation was first recognized on a Reflex MRD with a Viridian RFX11 optic put in utilizing the wrong FN-provided screws labeled “604” which had been too lengthy. On this case, the screws labeled “603” ought to have been used.
When mounting any optic to the Reflex MRD, it’s crucial to make use of the right FN-supplied screw and solely the right FN-supplied screw. Don’t use the screws supplied by the optics producer as a result of these screws weren’t designed to interface particularly with the Reflex MRD and will trigger harm to the slide.
The chart within the Reflex Proprietor’s Guide explains which measurement screw to make use of. It has been up to date to incorporate the Viridian RFX11 Optic. When putting in the Viridian RFX11 optic, ensure that to make use of solely the FN-provided “603” screws to make sure correct operate of the pistol (High of Determine 1). Earlier than putting in all different optics, confer with the chart within the proprietor’s handbook for the correct-sized screws. In case your optic isn’t listed, please contact the FN Buyer Service at 1-800-635-1321, or by electronic mail at customerservice@fnamerica.com.
Determine 1
Screw 603 on prime. 604 on backside.
To make sure that the right FN-supplied screws are getting used: whereas holding the optic individually from the pistol, place the screws by means of the screw holes within the optic and measure or rely the threads protruding from the underside; there ought to be not more than .045 inches, or 3 threads seen (Determine 2). The screws must also be put in to the right torque (6 – 8 in/lbs), no matter what could also be advisable by the producer of the optic. Take care to not overtighten past the right torque settings as this may occasionally deform or compress the optic housing.
Determine 2
Not more than 3 threads or .045 inches under the floor of the miniature pink dot (MRD).
To view and skim the FN Reflex Proprietor’s Guide or Optics Mounting Information, please go to https://fnamerica.com/customer-support/owners-manuals/.
For questions on this service bulletin or help in returning an FN Reflex pistol for a restore or analysis, contact FN Buyer Service at 1-800-635-1321, or by electronic mail at customerservice@fnamerica.com. Hours of operation are 8 a.m. to five p.m. Japanese time, Monday by means of Friday.
About FN
FN America, LLC—the U.S. subsidiary of Belgium-based FN Herstal, S.A.—gives U.S. navy, regulation enforcement and industrial clients with an entire vary of state-of-the-art, groundbreaking options developed round small-caliber firearms and related ammunition below the FN model identify.
FN Herstal is the Protection & Safety entity of the FN Browning Group that additionally features a Looking & Sports activities Taking pictures entity (Browning and Winchester Firearms* model names) and operates globally.
FN product traces embody moveable firearms, much less deadly programs, built-in weapon programs for air, land and sea functions, distant weapon stations, small-caliber ammunition, in addition to fashionable and cutting-edge options to offer enhanced fight, logistics, upkeep and communication capabilities.
Along with FN America—headquartered in McLean, VA, with manufacturing operations in Columbia, SC—FN Herstal is the father or mother firm of FN UK within the UK and Noptel (optoelectronics) in Finland.
For extra info on FN and its newest merchandise, go to us at www.fnamerica.com or observe us on Fb, X and Instagram.
*Winchester Firearms is a registered trademark owned by the Olin Company.
