Outerimpact Red Dot Adapter for SIG P226

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SIG P220 · P226 · P227 · P229
OuterImpact MRA for SIG P220/P226/P227/P229
The plate replaces the rear sight and creates a reversible red dot base for four classic SIG series. Special and optics-ready slides must be checked separately against the actual interface before ordering.


Fits well / fits rather not


Fits well For SIG P220, P226, P227, or P229 with a suitable standard rear sight mount, if a classic mini red dot is to be mounted without slide milling.


Fits rather not For deviating OR/special versions or K-/Micro footprints that do not belong to the MRA family.


Features and practical effect


Dovetail mounting The rear sight is replaced; this keeps the solution basically reversible but builds higher than a direct milling.


Four clearly named platforms P220, P226, P227, and P229 are managed as a common adapter family. This is more precise than a general "SIG-compatible" designation.


7075-T6 Black anodized aluminum plate with low additional mass on the slide.


Wide optics group RMR/SRO-, Docter-, DeltaPoint-/Pro-, Vortex-, FastFire- and other classic MRA patterns; K footprints must be checked separately.


Limits, disadvantages, and avoiding bad purchases
A matching SIG model name does not replace checking the specific slide/sight version. The plate builds higher than a directly milled optic mount. Screw length and torque must fit the specific optic.
Technical data with practical interpretation



Compatible
SIG P220, P226, P227, P229 – standard rear sight mount assumed.


Mounting
Rear rear sight/dovetail mount.


Material
7075-T6 aluminum, black anodized.


Dimensions
approx. 51.3 × 26.9 × 6.1 mm – higher than many direct mounts.


Weight
approx. 28 g / 1 oz.


Shopify-SKU: OTL-RDM-SIG06a

Scope of delivery
Adapter plate with system-specific mounting hardware according to OuterImpact configuration. Red dot, sight tool, and torque tool are not included.
Safe mounting
Unload the firearm, remove the rear sight with suitable tools, align the adapter cleanly, start screws by hand and wi
n aktuellen Vorgaben des Adapter- und Optikherstellers anziehen. Danach Nullpunkt und Schraubensitz prüfen.
FAQ

Does the plate fit on P226? Yes, P226 is part of the intended model family. Does it also fit on P229? Yes, also on P220 and P227. Does the slide need to be milled? No. The plate uses the existing rear sight mount. Does every mini red dot fit? No. The specific footprint must match the MRA compatibility group.


Black-Raptor classification A sensible solution for classic SIG slides without optics-ready cut, provided the actual rear sight geometry and optic footprint are carefully matched before purchase.