Vortex StrikeFire II red dot has a 4 MOA dot and a cantilever mount for proper eye relief on an AR. Tracking through removal and reinstall is consistent. Battery life on the auto-off setting is acceptable. Solid budget red dot.





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Vortex Optics
Overview
The Vortex Optics StrikeFire II is a red dot sight designed for quick target acquisition, featuring a 4 MOA dot size that provides a precise aiming point. With a battery life exceeding 50,000 hours, this sight is built for extended use, and its 30mm optic tube diameter ensures a wide field of view. Mounting easily to a Picatinny rail, this sight is also night vision compatible, making it versatile for various lighting conditions. You’ll often find this optic on builds utilizing a carbine gas system in 5.56 NATO caliber rifles.
Vortex Optics StrikeFire II Bright Red Dot Sight - 4 MOA - Cantilever Mount
Vortex Optics StrikeFire II Bright Red Dot Sight - 4 MOA - Cantilever Mount was the seventh most added optic on GunPartPicker in August 2026, behind the Vortex Defender-ST Micro 6 MOA Red Dot Sight, Black - DFST-MRD6, with about 2% of all optics added to builds. Down from #6 in July. Builds with this optic are mostly chambered in 5.56 NATO (80%), mostly on mid-length gas (80%, then carbine-length 20%), and mostly AR-15 (95%).
Availability is good: it was in stock at one retailer or another nearly every day in August 2026, and today 4 of the 7 retailers we track have it in stock. Prices barely moved in August 2026, holding around $199, so there haven't been real sales lately. Buying today, the lowest price is $169.99 at Sportsmans Outdoor Superstore, which matches the best price we saw in August.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 31 retailers
We ranked every optic by how often it shows up in real builds on GunPartPicker.
Read the guide: AR-15 Red Dot & Optic Guide →Check it against the live catalog:
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Aggregated and anonymized data showing how builders use this product
Builds in the community that include the Vortex Optics StrikeFire II Bright Red Dot Sight - 4 MOA - Cantilever Mount
| Build | Parts | Total |
|---|---|---|
![]() | 23 | $4021.28 |
![]() | 28 | $3839.77 |
![]() | 11 | $1118.21 |
![]() | 17 | $1706.39 |
![]() | 27 | $2067.37 |
![]() | 20 | $1347.57 |
![]() | 10 | $1625.75 |
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Top reviews
Vortex StrikeFire II red dot has a 4 MOA dot and a cantilever mount for proper eye relief on an AR. Tracking through removal and reinstall is consistent. Battery life on the auto-off setting is acceptable. Solid budget red dot.