OPF-FN509T, ACRO is a solid state (one piece), steel plate designed for the FN 509 series, FN 545, and 510. OPF-FN509T, RMR is not compatible with 502 and Reflex.
LAPD is perhaps the largest LE agency that adopted and authorizes the FN 509 Tactical, the authorized version is FN 509 MRD-LE. We wanted to see if we can improve on what came with the gun.
OPF-FNT09T, ACRO is a one piece, billet machined plate for Aimpoint P1/P2, and Steiner MPS, it is not guaranteed to work with cheap Chinese copies that have the ACRO footprint.
OPF-FN509T, ACRO is shipped with a packet of VC-3, 6-40 x 3/8 with 5/64 Allen drive screws, FN supplied 6-40 x 5/8 T10 screws can also be used.
A proper torque wrench is required to impart the correct torque value to the mounting screws.
For plate to slide screws, the pistol's optics plate covers screws can be used. We supply 6-40 x 3/8 Allen head screws (5/64 Allen bit). FN 509's optics plate covers screws can also be used.
Torque value for the plate to slide 6-40 x 5/8 T10 screws is 13 to 15 in lbs.
Torque value for Aimpoint P1/P2 is 26 in lbs, and 13 to 17 in lbs for Steiner MPS.
Proudly designed and made in the USA.
FN 509T's tall suppressor heights can low co-witness with OPF-FN509, ACRO, the tip of the front and rear sights are visible, but the tritium dots are not.
We will soon stop including the L keys with all OPF products, we strongly suggest a proper torque wrench to impart the correct torque value.