Holosun

Holosun HS510C Red Dot & HM3X Magnifier Combo

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Holosun Holosun HS510C Red Dot & HM3X Magnifier Combo - view 1
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Overview

The Holosun HS510C Red Dot & HM3X Magnifier Combo offers a versatile optic solution for builders looking to enhance their shooting experience. With a 1/2 MOA adjustment capability, you can achieve precise targeting while the red reticle provides a clear sight picture that's compatible with night vision devices. Built from durable 6061-T6 aluminum and finished with a hardcoat anodized finish, this optic is designed to withstand tough conditions. This combination is frequently found in mid-length gas system builds chambered in 5.56 NATO, making it an ideal choice for versatile tactical applications.

Specifications

MPNHS510C & HM3X COMBO
FinishHardcoat Anodized
Reticle ColorRed
Material6061-T6 Aluminum
Moa Adjustment1/2 MOA
Optic TypeRed Dot
WarrantyLifetime
Night Vision CompatibleYes
Battery TypeCR2032

Available Merchants(1)

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$484.99
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October 2026 on GunPartPicker

Holosun HS510C Red Dot & HM3X Magnifier Combo ranked #48 of the 220 optics builders added on GunPartPicker in October 2026. Builders have added it to their builds on GunPartPicker. Since April 2026, it ranks #38 of the 585 optics builders have added. Builds with this optic are mostly chambered in 5.56 NATO (69%, then 300 Blackout 19%), split between mid-length (42%) and carbine-length (32%) gas systems, and mostly AR-15 (91%).

Availability is good: it was in stock at one retailer or another nearly every time we checked in October 2026, and today the one retailer we track has it in stock. Prices barely moved in October 2026, holding around $484.99, with no real sale all month. Buying today, the lowest price is $484.99 at Primary Arms, which matches the best price we saw in October.

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Read the guide: AR-15 Red Dot & Optic Guide →

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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 Complete MOE EPT Pistol Lower with SBA3 Brace, FDE - 5165448421

PSA AR-15 Complete MOE EPT Pistol Lower with SBA3 Brace, FDE - 5165448421

Lower Receiver$240in 7% of them
Bravo Company Manufacturing 5.56 NATO Mid-Length Bhf AR-15 Barreled Upper - MCMR-15 - 16"

Bravo Company Manufacturing 5.56 NATO Mid-Length Bhf AR-15 Barreled Upper - MCMR-15 - 16"

Upper Receiver$881in 5% of them
Streamlight ProTac Rail Mount HL-X 1000 Lumen Weapon Light with Tapeswitch

Streamlight ProTac Rail Mount HL-X 1000 Lumen Weapon Light with Tapeswitch

Light$120in 20% of them
Magpul AR-15 CTR Stock Collapsible Mil-Spec Black

Magpul AR-15 CTR Stock Collapsible Mil-Spec Black

Stock & Brace$48in 10% of them
Magpul AFG-2 Angled Fore Grip - Black

Magpul AFG-2 Angled Fore Grip - Black

Foregrip$24in 12% of them
Geissele Automatics AR-15 SSA-E X Lightning Bow Trigger

Geissele Automatics AR-15 SSA-E X Lightning Bow Trigger

Trigger$335in 10% of them

Build Configuration Breakdown

Aggregated and anonymized data showing how builders use this product

Platform

91.4%
AR-1591.4%
AR-105.7%
AR-92.9%

Caliber

69.2%
5.56 NATO69.2%
300 Blackout19.2%
.223 Wylde3.8%
.308 Win3.8%
9mm3.8%

Gas System

42.1%
Mid-Length42.1%
Carbine31.6%
Pistol21.1%
Blowback5.3%

Builds Featuring This Part

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Builds in the community that include the Holosun HS510C Red Dot & HM3X Magnifier Combo

BuildPartsTotal
for hog hunting 10.5" build
for hog hunting 10.5"		14$2481.65

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