Holosun
Overview
The Holosun HS515GM Multi-Reticle Red Dot Sight is a optic. Compare prices from multiple merchants and find the best deal.
Specifications
Available Merchants(6)
Prices checked
Price Alert
October 2026 on GunPartPicker
Holosun HS515GM Multi-Reticle Red Dot Sight ranked #11 of the 220 optics builders added on GunPartPicker in October 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 #10 in September. Builds with this optic are nearly all chambered in 5.56 NATO, mostly on mid-length gas (91%, then carbine-length 8%), and nearly all AR-15.
It was hard to find in October 2026, in stock on only 2 of the 9 days we checked, and today all 6 retailers we track have it in stock. Prices barely moved in October 2026, holding around $319.99, with no real sale all month. Buying today, the lowest price is $319.99 at Brownells, which matches the best price we saw in October.
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 the builds that include this one
PSA AR-15 "Stealth" Stripped Lower Receiver
Geissele Automatics G2S Two Stage AR-15 Trigger .154"
Bravo Company M16 Bolt Carrier Group Black
FN AR-15 M16 Barrel 16 Mid-Length 5.56mm
Expo Arms Mid-Length Gas Tube - Stainless Steel
Expo Arms Standard AR-15 Charging Handle
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.
Gas SystemBased on real build data showing which gas system lengths builders use with this product.
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