Here are the 4 best red dot sight for Sig Sauer MCX (All models including Sig MCX SPEAR LT)
We picked them based on durability, dot sizes and price.
Best Optic Sig MCX
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Holosun 510C - Best For The Money
Looks Slick - HoloSun's unique outer profile looks great on the Sig MCX and the new SPEAR LT without spending big dollars.
3 Reticle Patterns - Cycle between 3 reticles based on your tactical needs
- 65 MOA Ring + 2 MOA dot (Best for range estimation & holdover)
- 65 MOA Ring Only
- 2 MOA Dot Only
Large FOV For Faster Target Acquisition – It provides much more flexible head movement to aim behind the optic (See more large FOV red dot sights here)
Never Turns Off - The Solar failsafe technology extends the battery life longer on top of the existing 100,000 hr battery life to keep you in the fight longer without ever changing the battery
Mount on any M1913 Rail – Quick detach lever mount for fast on/off MCX's top rail, and also use it on other guns in your collection
Read HS510C Review Here
Pros
- Very affordable
- Adjustable QD screw tension to secure optic
- Wide FOV
- Additional lens hood protection like EOTECH
Cons
- Open emitter design lets in dirt
Aimpoint Micro T2 - Warfighter's Choice
Built like a tank - Throw it, kick it, drop it... nothing will break this. Pick it up and zero is protected
Accepts various mounts - Use any Aimpoint Micro footprint mounts to suit your need. Get a good mount here
CQB & Mid Range - Add a red dot magnifier behind it for more magnification for the positive identification capability
Features:
- Magnification: 1X
- Eye Relief: Unlimited
- Reticle Type: 2 MOA Red Dot
- Turret : 0.5 MOA / Click
- Length: 3.1 inches
- Weight: 4.7 oz
Read Aimpoint Micro Review Here
Pros
- Combat grade durability
- Use other mounts
- Operator grade optic
Cons
- Expensive without mount
Sig Romeo 5 - Best Value
Why Get The Sig Romeo 5 - The Sig ROMEO5 1X20mm is an 6061 T6 aluminum affordable red dot like the Aimpoint Micro without costing you an arm and a leg. It's by far the hottest selling optic for Sig MCX sporting rifles and pistol caliber carbines.
No Lens Tint - Very little lens tint for a clear sight picture under the sunlight and low light
Minimal POV Profile - Turret caps and battery cap don't stick out to obscure situational awareness
Accepts various mounts - Use any Aimpoint Micro mounts available on the market
Features:
- Magnification: 1X20mm
- Eye Relief: Unlimited
- Reticle Type: 2 MOA Red Dot
- Turret : 0.5 MOA / Click
- Length: 3.1 inches
- Weight: 5.1 oz
Read Sig ROMEO 5 Review Here
Pros
- Very affordable
- Use other mounts
- Gets the job done
Cons
- No lens cover (not a big deal breaker)
EOTECH EXPS3 - Best For Passive Aiming
Why Use The EOTech? The EXPS3 goes perfectly well with the MCX SPEAR LT full length rifle or SBR. It looks great and performs well. Overall, this is an operator grade holographic sight for anyone serious about their setups.
Fast Target Acqusition - Use 68 MOA ring for fast target acquisition compared to to other 2 MOA dots. Large reticle coverage area for CQB applications.
Shoot With Both Eyes Open - Wide situational awareness and not miss anything in the corner of your eye
Night Vision Capable - Use with night vision goggles on the NV mode. NV reticle not visible to the naked eyes or emit glare to keep you low profile
Additional Raised Height - The EXPS3 already sits at 1/3rd co-witness height + MCX's raised top receiver, and it gives the shooter great optic to eye cheekweld position
Features:
- Magnification: 1X
- Eye Relief: Unlimited
- Reticle Type: 2 MOA Red Dot + 68 MOA RING
- Turret : 0.5 MOA / Click
- Length: 3.1 inches
- Weight: 4.7 oz
Read Detailed EXPS3 Review Here
Pros
- Very slick setup for MCX
- HUD alike aiming experience
- Additional lens hood protection
Cons
- Shorter battery life than red dot
