Every LPWS2011 platform — Island Boy, Chiraq, Savant, and Urban Warfare series — ships with the Atlas Optic Plate System. This modular interface delivers a zero-movement optic mount with compatibility across the widest range of industry footprints available. Use this guide to identify the correct Atlas plate for your optic before ordering.

Section 01
Platform Overview

The LPWS2011 Family

All four LPWS2011 series share an identical optic plate interface. Whether you're running an Island Boy for competition or an Urban Warfare build for carry, the Atlas system ensures your optic mounts with zero movement and no compromise on return-to-zero.

IB
Island Boy
CQ
Chiraq
SV
Savant
UW
Urban Warfare
System Architecture

The Atlas Optic Plate System is a modular interface — the slide is machined with a standardized pocket, and the appropriate Atlas plate drops in to accept your chosen optic footprint. Changing optics means swapping a plate, not machining a new slide.

Section 02
Compatibility Reference

Full Optic Compatibility Table

Identify your optic footprint in the left column, confirm compatible optics in the center, then order the specified Atlas plate. If your optic appears in the center column, it is fully supported on all LPWS2011 platforms.

Optic Footprint Compatible Optics Required Atlas Plate
Trijicon RMR / SRO Popular Trijicon RMR, SRO · Holosun 407C / 507C / 508T Atlas Optics Plate – RMR/SRO
Aimpoint ACRO Aimpoint ACRO P1 / P2 · Steiner MPS Atlas Optics Plate – ACRO
Leupold DeltaPoint Pro Leupold DPP · EOTech EFLX · Sig Sauer Romeo1 Pro Atlas Optics Plate – DPP
Holosun 509T Enclosed Holosun 509T (Enclosed Emitter) Atlas Optics Plate – 509T
Holosun K-Series / Shield RMS Holosun 407K / 507K · Shield RMS / RMSc · Sig RomeoZero Atlas Optics Plate – Micro/K
C-More RTS2 C-More RTS2 · Vortex Razor Atlas Optics Plate – RTS2
Vortex Viper Vortex Viper · Docter Optics Atlas Optics Plate – Viper
Vortex Venom Vortex Venom · Burris FastFire Atlas Optics Plate – Venom
Trijicon RMRcc Micro Trijicon RMRcc (Micro) Atlas Optics Plate – RMRcc
Sig Sauer Romeo3 Max/XL Sig Romeo3 Max · Sig Romeo3 XL Atlas Optics Plate – Romeo3
Aimpoint Micro (H1/T1) Aimpoint Micro H1, H2, T1, T2 Atlas Optics Plate – Aimpoint Micro
Shield RMSx Competition Shield RMSx (Competition) Atlas Optics Plate – RMSx
Holosun 507COMP Large Window Holosun 507COMP (Large Window) Atlas Optics Plate – RMR (Standard)
Don't see your optic?

If your optic isn't listed above, reach out before ordering. We can confirm compatibility or advise on the closest available footprint. Never assume cross-compatibility between similar-looking footprints without verification — seating depth and screw hole position vary more than most builders expect.

Section 03
Installation Best Practices

Installation Best Practices

The Atlas Optic Plate System is engineered for precision fit. Follow these protocols to ensure a zero-movement mount and repeatable return-to-zero across round counts.

  1. 01
    Torque Specifications
    Follow both the optic manufacturer's torque spec and the Atlas plate torque recommendation strictly. Overtorquing can distort the plate seating surface. Undertorquing introduces movement under recoil. If specs conflict, defer to the lower value and recheck after the first 100 rounds.
  2. 02
    Thread Locker
    Use blue Vibratite or Loctite 242 unless otherwise specified. Do not use red (permanent) compound on optic screws — it will make future removal destructive. Apply a single small drop to the screw threads, not the seat, and allow full cure time before live fire.
  3. 03
    Zero-Tolerance Fitting
    Ensure the plate is fully seated and flush within the slide pocket before threading any mounting screws. A plate that is cocked or partially seated will feel tight but will shift under recoil, destroying zero. Inspect the seating gap from all four sides before final torque.
Critical — Read Before Mounting

Never substitute a visually similar plate from a different manufacturer. Even fractional differences in screw hole position or seating depth can result in optic movement, zero shift, or slide damage under recoil. Use only the specified Atlas Optics Plate for your footprint.

Section 04
Why Atlas Optic Plates

Built for the 2011 Platform

The 2011 competition and carry market is packed with optic choices — but most production slides force you to pick one footprint at the time of purchase. The Atlas Optic Plate System was designed specifically to eliminate that constraint for LPWS2011 owners.

Unlike direct-milled cuts, the Atlas plate pocket is standardized across all LPWS2011 slide variants. That means an Island Boy built for USPSA with a Holosun 507COMP can be reconfigured for a Trijicon RMR carry setup without re-machining the slide. The plate does the work.

Every plate is machined to exacting tolerances and tested for zero-movement fit before shipping. The result is a modular optic system that performs identically to a direct-milled solution — with the added advantage of footprint flexibility throughout the life of the build.

Section 05
Choosing the Right Optic

Choosing the Right Optic for Your Build

The right optic for a 2011 build depends on intended use more than brand preference. Competition shooters running USPSA or PCC often prioritize large window optics like the Holosun 507COMP or Shield RMSx for faster target acquisition. Duty and carry configurations typically favor enclosed emitters — the Aimpoint ACRO and Holosun 509T both offer significant weather and debris resistance that open emitter designs cannot match.

For shooters new to 2011 optic setups, the RMR/SRO footprint remains the most versatile starting point. It supports the widest variety of optics at multiple price points — from the Trijicon RMR Type 2 to the Holosun 407C — without requiring a specialized plate or unusual mounting hardware. The Atlas RMR/SRO plate is our most-ordered SKU for a reason.

If you're running a Chiraq slide for competition, consider whether a large-window optic like the 507COMP or RMSx aligns with your division rules before selecting a plate. USPSA Open and Carry Optics divisions have different optic window size expectations — confirm before committing to a footprint.