Vortex Optics StrikeFire II Red / Green Dot Sight - 4 MOA

Vortex Optics StrikeFire II Red / Green Dot Sight - 4 MOA - Optic - view 1
Vortex Optics StrikeFire II Red / Green Dot Sight - 4 MOA - Optic - view 2
Vortex Optics StrikeFire II Red / Green Dot Sight - 4 MOA - Optic - view 3
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Vortex Optics

Overview

The Vortex Optics StrikeFire II is a versatile red dot sight designed for quick target acquisition, featuring a 4 MOA dot that provides a precise aiming point for shooters. This optic operates on a CR2 3V Lithium battery and offers 1/2 MOA adjustment for fine-tuning your aim, making it suitable for a variety of shooting conditions, including night vision compatibility. With a 30mm tube diameter and a Picatinny mounting interface, it can be easily attached to your firearm, and you'll commonly find this sight on builds featuring a mid-length gas system chambered in 5.56 NATO.

Specifications

MPNSF-RG-501
Battery TypeCR2
Night Vision CompatibleYes
Dot Size4 MOA
Optic Tube Diameter30mm
ManufacturerVortex Optics
Optic TypeRed Dot
WarrantyLifetime
Moa Adjustment1/2 MOA
Reticle ColorRed/Green
ColorRed
Mounting InterfacePicatinny

Available Merchants(9)

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Palmetto State Armory logo
Palmetto State Armory
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$100
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Brownells
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$200
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Sportsman's Guide
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$200
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MidwayUSA
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$200
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Primary Arms
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$200
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Sportsman Warehouse
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$200
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BattleHawk Armory
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$152
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KY Gun Company
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$200

August 2026 on GunPartPicker

Vortex Optics StrikeFire II Red / Green Dot Sight - 4 MOA was the tenth most added optic on GunPartPicker in August 2026, behind the Trijicon ACOG 4x32mm Scope - Dual Illuminated Chevron - Red, with about 2% of all optics added to builds. Up from #17 in July. Builds with this optic are split between 300 Blackout (25%) and .223 Wylde (25%), split between mid-length (33%) and carbine-length (33%) gas systems, and mostly AR-15 (71%, then AR-10 14%).

Availability is good: it was in stock at one retailer or another nearly every day in August 2026, and today 7 of the 9 retailers we track have it in stock. The best price crept up from $151.94 to $199.99 over August 2026. Buying today, the lowest price is $99.99 at Palmetto State Armory, which matches the best price we saw in August.

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Frequently Built With

The part most often added in each category by the 129 builds that include this one

Build Configuration Breakdown

Aggregated and anonymized data showing how builders use this product

Platform

71.4%
AR-1571.4%
AR-1014.3%
AR-914.3%

Caliber

25%
300 Blackout25%
.223 Wylde25%
5.56 NATO25%
9mm25%

Gas System

33.3%
Mid-Length33.3%
Carbine33.3%
Rifle33.3%

Builds Featuring This Part

See all 4 →

Builds in the community that include the Vortex Optics StrikeFire II Red / Green Dot Sight - 4 MOA

BuildPartsTotal
17.7" 5.56 build
17.7" 5.56
12$6028.80
12.5" Aero Precision clone build
12.5" Aero Precision clone
25$2155.49
Wilson Combat 16" build build
Wilson Combat 16" build
24$1073.69
14.5" Aero Precision carbine build
14.5" Aero Precision carbine
11$982.74

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