Aimpoint Acro Pistol Mounting Plate by Two Brothers Military Engineering 2BME018 Sig Sauer Legion/M18/M19 (P320 with Detachable Device)

The 2BME018 mounting plate allows mounting the Aimpoint Acro red dot sight on Sig Sauer Legion / M18 / M19 pistols and the P320 with a removable rear sight.

2BME red dot mounting plates 

The bases are designed and manufactured by the Polish company TBME (Two Brothers Military Engineering), which uses high-class DMG-Mori CNC machines for production. TBME plates are dedicated to pistols factory-made (or gunsmith-modified) to accommodate red dot sights mounted directly on the slide.

The bases are made of 7075-T6 aircraft-grade aluminium, making them extremely durable and very lightweight (depending on the model, approx. 8 g). The plate is finished with hard anodizing according to military specifications (MIL-SPEC), which increases resistance to scratches and wear. Anodizing is a process that hardens the aluminium surface and protects it from oxidation. TBME mounting plates are distinguished not only by their durable finish and perfect fit to the weapon but also by the ability to mount the optic extremely low on the slide. Thanks to the use of measuring probes, the plates are precisely dimensioned and matched to the factory milling of the firearm. To ensure stable and reliable optic mounting, the plate uses a system of steel interchangeable “Quad Lock” inserts, allowing the use of screws with strong, multi-threaded connections (excluding models mounted on the so-called dovetail). The set includes all components needed to install the optic on the weapon: the strongest 4 A4-class stainless steel Torx mounting screws on the market, a tube of threadlocker, and installation instructions.

For mounting the plate and the optic, it is recommended to use medium-strength threadlocker (included) and a torque wrench set to 1.2 Nm. Before the final installation, it is worth fitting the complete plate (with threaded inserts) and the optic without threadlocker. This verification ensures that the plate is properly matched to both the optic and the weapon.

The TBME 2BME018 plate is designed for mounting the Aimpoint Acro red dot sight on Sig Sauer Legion / M18 / M19 pistols and the P320 with a removable rear sight.