Description
The EGW 49415 is a rear-sight dovetail red dot mount made by Evolution Gun Works (EGW) in the USA for Sig Sauer pistols that use the Sig #8 rear sight cut, including the P220, P226, P229 and P320. It replaces the factory rear sight and gives you a footprint for the Holosun 407K/507K/EPS, Leupold DeltaPoint Pro, Shield RMS/RMSc/SMS, Vortex Defender, Sig Romeo Zero and similar micro red dots, so a non-optics-ready Sig can run a dot for IPSC, club pistol or range use without machining the slide.
The mount is CNC machined from 7075 aluminium with a Type III black hardcoat anodised finish and measures 1.604" long by 0.99" wide. It installs from left to right with the muzzle forward and uses the supplied 6-32 button head screws (torque 15 in-lb with blue thread locker). EGW recommends fitting by a qualified gunsmith. Note that it will not fit optics-ready Sigs (P226 Legion RX, P229 RX, P320 X-Carry etc.), Sig 1911s, the P210 Target, the P365 or the FN 509 Tactical; for Holosun 407K/507K the rear pins on the mount must be removed.
- EGW part no. 49415 – red dot sight mount for Sig Sauer P220, P226, P229, P320 (Sig #8 rear sight cut)
- Also fits P210A Standard, P224, P225, P225-A1, P227, P228, P238, P239, P245, P938, SP2022, M11-A1, MK25, Bersa Thunder UC/HC and FN 509 (per EGW)
- Optic footprints: Holosun 407K/507K/EPS/EPS Carry, Leupold DeltaPoint Pro, Shield RMS/RMSc/SMS, Vortex Defender, Sig Romeo Zero, Bushnell RXS-100, Crimson Trace CTS-1500, JPoint, Redfield Accelerator, Optima
- 7075 aluminium, Type III black hardcoat anodised
- Overall length 1.604", width 0.99"
- Mounting hardware included: 2 x 6-32 button head screws and a 6-32 x 3/16" set screw
- Screw torque 15 in-lb; use blue thread locker
- Made in the USA by Evolution Gun Works
FAQ
Which Sig Sauer pistols does the EGW 49415 fit? Any Sig with the #8 rear sight dovetail: P220, P226, P229, P320, P225, P227, P228, P239, P938, SP2022, M11-A1 and MK25 among others. It does not fit optics-ready RX/X-series slides, Sig 1911s, the P210 Target or the P365.
Which red dots can I mount on it? Holosun 407K, 507K and EPS series, Leupold DeltaPoint Pro, Shield RMS/RMSc/SMS, Vortex Defender, Sig Romeo Zero, Bushnell RXS-100 and other sights sharing those footprints. For the Holosun 407K/507K the rear locating pins on the mount must be removed.
Is any slide machining required? No. The mount drifts into the existing rear sight dovetail from left to right (muzzle forward) and is secured with the supplied screws at 15 in-lb. EGW recommends installation by a qualified gunsmith.
3 Gun Tactical is a licensed firearms dealer (Dealer Licence 50001578) in Tingalpa, Brisbane. No licence is needed to buy this item; we ship Australia-wide or you can collect in store.





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