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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
Vortex Optics StrikeFire II Red / Green Dot Sight - 4 MOA
Available Merchants(6)
Prices checked
Price Alert
November 2026 so far on GunPartPicker
Vortex Optics StrikeFire II Red / Green Dot Sight - 4 MOA is the eighth most added optic on GunPartPicker so far in November 2026, behind the Vortex Optics StrikeFire II Bright Red Dot Sight - 4 MOA - Cantilever Mount, with about 2% of all optics added to builds. Up from #13 in October. Builds with this optic are mostly chambered in 5.56 NATO (73%, then .308 Win 9%), mostly on mid-length gas (64%, then carbine-length 19%), and mostly AR-15 (89%).
Availability is good: it was in stock at one retailer or another nearly every time we checked in October 2026, and today 3 of the 6 retailers we track have it in stock. Prices barely moved in October 2026, holding around $199.99, with no real sale all month.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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Frequently Built With
The part most often added in each category by hundreds of builds that include this one
Smith & Wesson M&P15 Complete Lower 5.56x45mm/.223 Remington, Black - 812002
Geissele Automatics AR-15 SSA-E X Lightning Bow Trigger
Magpul AR-15 MOE Stock Collapsible Mil-Spec Black
Bravo Company Manufacturing 5.56 NATO Mid-Length Bhf AR-15 Barreled Upper - MCMR-15 - 16"
Radian Raptor Charging Handle & Talon Safety Selector Combo - OD Green
Bravo Company M16 Bolt Carrier Group Black
Build Configuration Breakdown
Aggregated and anonymized data showing how builders use this product
PlatformBased on real build data showing which platform (AR-15, AR-10, AR-9) builders pair with this product.
CaliberBased on real build data showing which calibers builders choose alongside this product.
Gas SystemBased on real build data showing which gas system lengths builders use with this product.
Builds Featuring This Part
See all builds →Builds in the community that include the Vortex Optics StrikeFire II Red / Green Dot Sight - 4 MOA
| Build | Parts | Total |
|---|---|---|
 | 12 | $6050.57 |
 | 25 | $2269.95 |
 | 24 | $1126.99 |
 | 11 | $1003.06 |
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